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Divisibility Rules of Numbers
Learning Multiplication Table Faster
Difficulties with Mathematics
What Can Stand in the Way of a Student’s Mathematical Development?
Math disabilities can arise at nearly any stage of a child’s scholastic development. While very little is known about the neurobiological or environmental causes of these problems, many experts attribute them to deficits in one or more of five different skill types. These deficits can exist independently of one another or can occur in combination. All can impact a child’s ability to progress in mathematics.
Incomplete Mastery of Number Facts
Number facts are the basic computations (9 + 3 = 12 or 2 x 4 = 8) students are required to memorize in the earliest grades of elementary school. Recalling these facts efficiently is critical because it allows a student to approach more advanced mathematical thinking without being bogged down by simple calculations.
Many students, despite a good understanding of mathematical concepts, are inconsistent at computing. They make errors because they misread signs or carry numbers incorrectly, or may not write numerals clearly enough or in the correct column. These students often struggle, especially in primary school, where basic computation and “right answers” are stressed. Often they end up in remedial classes, even though they might have a high level of potential for higher-level mathematical thinking.
Difficulty Transferring Knowledge
One fairly common difficulty experienced by people with math problems is the inability to easily connect the abstract or conceptual aspects of math with reality. Understanding what symbols represent in the physical world is important to how well and how easily a child will remember a concept. Holding and inspecting an equilateral triangle, for example, will be much more meaningful to a child than simply being told that the triangle is equilateral because it has three equal sides. And yet children with this problem find connections such as these painstaking at best.
Some students have difficulty making meaningful connections within and across mathematical experiences. For instance, a student may not readily comprehend the relation between numbers and the quantities they represent. If this kind of connection is not made, math skills may be not anchored in any meaningful or relevant manner. This makes them harder to recall and apply in new situations.
Incomplete Understanding of the Language of Math
For some students, a math disability is driven by problems with language. These children may also experience difficulty with reading, writing, and speaking. In math, however, their language problem is confounded by the inherently difficult terminology, some of which they hear nowhere outside of the math classroom. These students have difficulty understanding written or verbal directions or explanations, and find word problems especially difficult to translate.
Difficulty Comprehending the Visual and Spatial Aspects and Perceptual Difficulties.
A far less common problem — and probably the most severe — is the inability to effectively visualize math concepts. Students who have this problem may be unable to judge the relative size among three dissimilar objects. This disorder has obvious disadvantages, as it requires that a student rely almost entirely on rote memorization of verbal or written descriptions of math concepts that most people take for granted. Some mathematical problems also require students to combine higher-order cognition with perceptual skills, for instance, to determine what shape will result when a complex 3-D figure is rotated.
How to teach your child math!
Slader “Math Help”
Tutoring on Slader provides users a platform to
chat and share concepts visually through images
and a live shared drawing board. Slader users
can request help from other students in the same
subject, host a tutoring session with friends
through a unique link, or choose a certified pro
tutor (who charges gold). Two brains are always
better than one.
Slader features millions of solutions to the most
popular textbooks in the United States. All of the
homework solutions on Slader are written by the
Slader community. Anyone can contribute solutions to textbook problems, which are viewed and rated by the Slader community. Solutions are always free to view and we encourage contribution to the site in all productive forms.
Question and Answer
Slader’s Q&A platform is where non-textbook
based questions in any subject can be asked and
answered. Asking questions and providing answers
benefit all users and makes the learning process
easier and more enjoyable.
S.O.S. MATHematics is your free resource for math review material from Algebra to Differential Equations!
The perfect study site for high school, college students and adult learners. Get help to do your homework, refresh your memory, prepare for a test, ….
Browse our more than 2,500 Math pages filled with short and easy-to-understand explanations. Click on one of the following subject areas: Algebra, Trigonometry, Calculus, Differential Equations, Complex Variables, Matrix Algebra, or Mathematical Tables.
You can find topics ranging from simplifying fractions to the cubic formula, from the quadratic equation to Fourier series, from the sine function to systems of differential equations – this is the one stop site for your math needs.
You want more? Check out our CyberExams to prepare for a test, or ask a question on our popular CyberBoard! You can buy a personal copy of our site on CD, or browse our recommended book list.
Get Physics Help from Best Online Website – Acadsoc.com
Students often have to face hard and mind-numbing numerical problems that can cause a lot of stress. Not everyone is able to cope up with the hardships of physics problems and many end up either dropping the subject or failing in it with worst grades. But if you really wish to excel, Acadsoc.com can be the one-shop stop for all your homework problems. This is one of the most reliable online tutoring services for all languages and subjects. Acadsoc.com can is the best solution provider for all your physics questions. Ask your question and get answers that would help you do your assignment in the best possible way with maximum results.
Acadsoc is a community of students and tutors, where you can avail different academic services from the very comfort of your home. Simply get in touch with the representatives, submit your problem questions and get instant answers to your queries. You can also get your complete assignment done through their physics help center for maximum results. The physics assignments delivered will be of highest quality, containing references to help you understand the topics covered in the simplest manner. Here are some advantages of getting associated with Acadsoc.com for your physics homework help:
Webmath is a math-help web site that generates answers to specific math questions and problems, as entered by a user, at any particular moment. The math answers are generated and displayed real-time, at the moment a web user types in their math problem and clicks “solve.” In addition to the answers, Webmath also shows the student how to arrive at the answer.
This site is composed of many math “fill-in-forms” into which you can type the math problem you’re working on. Linked to these forms is a powerful set of math-solvers, that can instantly analyze your problem, and when possible, provide you with a step-by-step solution, instantly!
At Webmath, you don’t have to wait for an email response or post your question to an electronic bulletin board and hope someone will answer it. You can get the answer to your math problem right here, right now!
10 Great Math Apps for Kids
These fun apps will reinforce basic arithmetic concepts and spark a love for learning math.
Map Apps for Kids
When it comes to teaching your kids math skills, you’ve done it all: quizzes over breakfast, extra homework help, bedtime stories that sneak in math concepts. If you’re looking for new, clever ways to help your kid gain the skills she needs, all you need is a smartphone. We’ve picked our 10 favorite math mobile apps for kids of different ages, all designed to teach four basic arithmetic operations (addition, subtraction, multiplication, division); some even meet Common Core State Standards. Download one (or all!) of these apps and we promise that your kid will hardly even know she’s learning while playing.
Math Training for Kids
Three difficulty levels and the four basic concepts (addition, subtraction, multiplication, and division) in this simple app that teaches solid math fundamentals will help your child become more skilled. (Ages 3 and up; Free; Android)
Download Math Training for Kids on Google Play
The main task here is to pass all eight levels within a certain time frame by answering 10 math questions at each level (including ones about fractions and greater than/smaller than numbers.). Each question allows 30 seconds of answering time; for correct answers, players are rewarded with an additional four seconds. Dynamically generated questioning means that kids get new questions every time they play. (Ages 3 to 5; Free; Android)
Download Kids Math on Google Play
Preschool Math Games for Kids
Young kids will get experience counting, tracing and reading numbers in a fun, interactive way. And don’t let the name fool you! This app also features math exercises (addition, subtraction, sequence patterns, and more) for elementary schoolers—up to the 3rd grade level. (Ages 2 to 8; Free, Android)
Download Preschool Math Games for Kids on Google Play
Gorgeous colors and stunning visuals (plus cute caterpillars and butterflies!) on the display is enough to keep kids engaged. Feed the caterpillars by counting and catching aphids in the correct number sequence and earn butterflies (displayed in a gallery) to progress through more than 45 levels. (Ages 4 to 5; $1.99; iPhone, iPad)
Download Counting Caterpillar on iTunes
Peter Pig’s Money Coin Counter
Developed by Visa, this app helps kids practice sorting, counting, and identifying the value of U.S. coins to earn virtual money. Along the way, Peter Pig (a virtual piggy bank) helps kids learn facts about U.S. currency that are read aloud in a child’s voice. (Ages 4 to 7; Free; Android)
Download Peter Pig’s Money Counter on Google Play
Marble Math Junior
Solve a variety of math problems by collecting numbers and bonuses as you navigate a marble maze. With three difficulty levels and 16 marble styles, this app can be personalized to fit your kid’s skills and personality. It also lets you customize games to concentrate on the areas in which your child needs the most help. (Ages 6 to 8; $2.99; iPhone, iPad)
Download Marble Math Junior on iTunes
Crazy Times Tables
Your child will love this app because of its fun, games, and photo features, but you’ll love it too. The app takes a personalized approach by identifying his learning stage to help him master his times tables. (Ages 5 to 10; $2.99; iPhone, iPad)
Download Crazy Times Tables on iTunes
Let’s Do the Math
Keep kids busy for hours with 15 different types of exercises in three categories and 50 word problems that focus on addition and subtraction. The app can be used either as flash cards or as a series of puzzles to teach basic concepts. (Ages 6 and up; Free; Android)
Download Let’s Do the Math on Google Play
Thinking Blocks Multiplication
Use number blocks to solve multiplication word problems, a strategy supported by Common Core standards. This app introduces kids to six problem solving models, which helps them organize information and visualize number relationships. (Ages 7 to 10; Free; iPhone, iPad)
Download Thinking Blocks Multiplication on iTunes
Mathmateer, voted one of the top 10 best apps for elementary school kids by Appolicious (the app directory), appeals to kids’ creative side. To build a rocket ship to launch into space, kids must earn money by completing basic math challenges while recognizing patterns and shapes, telling time, and working on fractions and square roots. (Ages 9 to 11; $0.99; iPhone, iPad)
Helping Your Child Learn Math
How do you feel about math? Your feelings will have an impact on how your children think about math and themselves as mathematicians. Take a few minutes to answer these questions:
Do you think everyone can learn math?
Do you think of math as useful in everyday life?
Do you believe that most jobs today require math skills?
If you answer “yes” to most of these questions, then you are probably encouraging your child to think mathematically. Positive attitudes about math are important for your child’s success. This book will help reinforce these positive attitudes about math.
Mathematics as Problem Solving, Communication, and Reasoning
Helping your child learn to solve problems, to communicate mathematically, and to demonstrate reasoning abilities are fundamental to learning mathematics. These attributes will improve your child’s understanding of and interest in math concepts and thinking. Before beginning the activities in this book, let’s first look at what it means to:
Be a Problem Solver,
Communicate Mathematically, and
Demonstrate Reasoning Ability.
A problem solver is someone who questions, investigates, and explores solutions to problems; demonstrates the ability to stick with a problem to find a solution; understands that there may be different ways to arrive at an answer; considers many different answers to a problem; and applies math to everyday situations and uses it successfully. You can encourage your child to be a good problem solver by involving him or her in family decision making using math.
To communicate mathematically means to use words, numbers, or mathematical symbols to explain situations; to talk about how you arrived at an answer; to listen to others’ ways of thinking and perhaps alter their thinking; to use pictures to explain something; and to write about math, not just give an answer. You can help your child learn to communicate mathematically by asking your child to explain a math problem or answer. Ask your child to write about the process she or he used, or to draw a picture of how he or she arrived at an answer to a problem.
Reasoning ability means thinking logically, being able to see similarities and differences about things, making choices based on those differences, and thinking about relationships among things. You can encourage your child to explain his or her answers to easy math problems and to the more complicated ones. As you listen, you will hear your child sharing his or her reasoning.
Math Talk with Infants and Toddlers
Will feeds Maya, his 8-month-old daughter. He pauses for a moment and Maya signs “more.” Will laughs. “You want more? Okay, here it comes!” When the bowl is empty, Will says and signs, “All gone. Maya ate her food. All gone.” Maya looks at him and smiles.
Children develop math concepts and skills very early in life. From the moment they are born, babies begin to form ideas about math through everyday experiences and, most important, through interactions with trusted adults. Language—how we talk with infants and toddlers about math ideas like more, empty, and full—matters.
Math is everywhere!
We use basic math language all the time, without realizing it. For example, when we separate clothes by color, we’re using the math concepts of sorting and classifying. When we keep score during a game and determine how much our team is ahead or behind (number and operations), or give someone directions to get from one place to another (spatial relationships)—that’s math. We constantly use comparison words (measurement) such as big and little and use patterns to explain the order of daily routines and activities (“We brush our teeth after breakfast”). With our children, we play games and sing songs that use numbers and counting (such as ”One, Two, Buckle My Shoe”).
Even without our support, infants and toddlers use math concepts to make sense of their world. For example, infants like Maya signal when they want more food. More is one of the first math concepts understood by children. Babies tell us—often dramatically—that they know the difference between familiar and unfamiliar adults (sorting and classifying). Toddlers try to climb into boxes of various sizes (spatial relationships) and say words and phrases from familiar stories or songs that use repetition (patterns).
We can make the math that occurs in daily life visible to children through math talk. Each day offers us countless opportunities to help children deepen their understanding of math concepts. The more we talk math, the better chance infants and toddlers have to build a positive attitude toward math learning and learning in general.
Basic math concepts
When we are aware of early math concepts, we can be more thoughtful in our everyday interactions with infants and toddlers. Here are five basic math concepts that can be woven into our everyday conversations with infants and toddlers.
1. Number and operations—understanding the concept of number, quantity, order, ways of representing numbers, one-to-one correspondence (that one object corresponds to one number), and counting.
“You have two eyes, and so does your bear. Let’s count:–1, 2.”
“I have more crackers than you do. See, I have 1, 2, 3, and you have 1, 2. I’m going to eat one of mine. Now I have the same as you!”
“That’s the third time I’ve heard you say mama. You’ve said mama three times!”
2. Shapes and spatial relationships (geometry)—recognizing and naming shapes, understanding the physical relationship between yourself and other objects and the relationships between objects.
“Look, Jason went under the climber and Aliyah is on top!”
“You’re sitting next to your brother.”
“Some of the crackers we have today are square, and some are round.”
3. Measurement—size, weight, quantity, volume, and time.
“Moving that chair is hard. It’s heavy.”
“Your nap lasted a long time today!”
“Let’s count how many steps it takes to reach the mailbox.”
4. Patterns, relationships, and change—recognizing (seeing the relationships that make up a pattern) and/or creating repetitions of objects, events, colors, lines, textures, and sounds; understanding that things change over time and that change can be described with math words. These are the basic building blocks of algebra!
“Daddy has stripes on his shirt—white, blue, white, blue, white, blue.”
”Let’s clap to the beat of this song.”
“I put the blocks in the bucket; you dump them out. I put the blocks back in the bucket; you dump them out!”
“Our plant looks taller today. I think it grew overnight.”
5. Collecting and organizing information—gathering, sorting, classifying, and analyzing information (data) to help make sense of what is happening in the environment.
“Let’s put the big lid on the big bowl and the small lid on the small bowl.”
“You always smile when Mommy sings to you!”
“Let’s put the dolls in the basket and the balls in the box.”
Talk math with your child as a matter of routine. For example, diapering, meal and bath times, neighborhood walks, and shopping trips are ideal times to count, point out shapes and sizes, talk about patterns, and describe how things are the same and different.
Make a list of math talk words and phrases. Post it on the refrigerator or somewhere else handy to remind you to take advantage of math talk opportunities.
Math talk enriches everyday learning experiences for infants and toddlers. You’ll be surprised at how much they know and can learn. Your math talk today can help your children be successful in math as they get older.
Source: Adapted from a Rocking and Rolling column written by Jan Greenberg and published in the May 2012 issue of Young Children. The full article is available at www.naeyc.org/yc/files/yc/file/201205/RockingAndRolling_YC0512.pdf.
General Chemistry Help
The Bodner Group,
Division of Chemistry Education,
This website helps with general Chemistry.
Free Geometry Help
Need some geometry help? We have more than thirty excellent geometry lessons here, broken up in general topics. Make sure to browse all of the topics to find what you need, or search by keyword.
Domain and Range
Finding Horizontal Asymptotes
Point Slope Form
Slope Intercept Form
Slope of a Line
Graphing a Parabola
30-60-90 Right Triangle
Angles, Lines, and Points
World of Angles
Length of a Line Segment
Sum of the Angles of a Triangle
Exterior Angles of a Triangle
Interior Angles of a Polygon
Completing the Square In Circle Equations
Important Geometry Vocabulary
Lessons from Other Sites:
Areas, Volumes, Surface Areas
Circumference of a Circle
Interior Angles of Regular Polygons
Quick Math Website
Quick Math is one of the first sites of its kind on the internet. There are many sites where you can post a question and get an answer (eventually) from someone who volunteers to help you. There is one other site that I know of which does algebra, but it is only useful if you learn the intricacies of its host mathematical kernel. Quick Math is the first site where you can simply type in an expression in a fairly intuitive way, hit a button and get the answer right there on your screen a few seconds later.
Quick Math was conceived and developed my me, Ben Langton. I live in Sydney, Australia, but the calculations for Quick Math are done on a remote Math Script server in Delaware, US. I have a Bachelor of Science degree from The University of Sydney, with First Class Honors in applied mathematics, and I hold a PhD in general relativity from the same university. I am keenly interested in the internet and mathematical programming, so Quick Math is a nice way for me to combine my skills in these areas to produce something useful.
Quick Math is an ongoing project. The site you are looking at right now is version 3.0, a vast improvement over version 1 (which only replied to answers by email). Quick Math is constantly evolving in ways which are dictated primarily by you, dear user. So have your say if you want something on Quick Math which isn’t already there – chances are you’ll get it in the next version!
Math Playground is a popular learning site filled with math games, logic puzzles and a variety of problem solving activities. A favorite of parents and teachers, Math Playground provides a safe place for children to learn and explore math concepts at their own pace.
Basic Math help website. If you need help on basic math this is a nice website to assist you.
QuickMath is one of the first sites of its kind on the internet. There are many sites where you can post a question and get an answer (eventually) from someone who volunteers to help you. There is one other site that I know of which does algebra, but it is only useful if you learn the intricacies of its host mathematical kernel. QuickMath is the first site where you can simply type in an expression in a fairly intuitive way, hit a button and get the answer right there on your screen a few seconds later.
QuickMath was conceived and developed my me, Ben Langton. I live in Sydney, Australia, but the calculations for QuickMath are done on a remote MathScript server in Delaware, US. I have a Bachelor of Science degree from The University of Sydney, with First Class Honours in applied mathematics, and I hold a PhD in general relativity from the same university. I am keenly interested in the internet and mathematical programming, so QuickMath is a nice way for me to combine my skills in these areas to produce something useful.
QuickMath is an ongoing project. The site you are looking at right now is version 3.0, a vast improvement over version 1 (which only replied to answers by email). QuickMath is constantly evolving in ways which are dictated primarily by you, dear user. So have your say if you want something on QuickMath which isn’t already there – chances are you’ll get it in the next version!
Math Resources Junior High
The Junior High materials of this page are a collection of on-line resources designed to be used by
students and teachers (parents) in the study and review of junior high mathematics.
(Materials are designed for the Common Core State Standards.)
Great Site for Math
You enter the problem it helps with the solution
Math Help – TuLyn
We believe education should be affordable for everyone and we shaped our business model around this belief. Though TuLyn is not a non-profit organization, since we launched our site, we have provided our services to students free of charge by crediting certain percentage of our advertising revenue and all of the donations we have received to their member accounts.
Math is one of the most important skills one should obtain to succeed in life. From grocery shopping to building human colonies on Mars, it plays an essential role.
We have created over 2000 math video tutorial clips, hundreds of practice word problems and printable worksheets.
The moment a visitor becomes a free member, we put 10 hours of video tutorial view credits into his or her account. Then, we reward every sign-in, word problem submission, word problem solution submission and membership refferrals to let them maintain a positive account balance. We know this approach works because over the last two years, we have helped thousands of students to improve their Math skills without charging them a penny.
Our free membership lets students, parents and educators access all of our video tutorials, word problems and worksheets.
We thank those who helped make Tulyn possible.
Sites devoted to enhancing mathematics skills.
Free Math Help
Hello and welcome to FreeMathHelp.com! The site was launched a long time ago, back in June of 2002. Since then, the site has expanded greatly. Typically we see over a million visitors each month during the school year! We have tens of thousands of registered users of our message board who have posted almost 200,000 posts!
Everything you see on this site is completely free, to help you or your kids succeed, and is only supported by advertising. That’s why there are certain features of the site that may link you to other companies who offer paid services, but usually they are well worth your money if you are interested.
If you are interested in contacting me for more information, please visit the contact page. Sometimes it will take a while for me to respond, because I also have a day job. Unfortunately I can’t respond to all of the personal requests for math help I receive every day.
Taking Algebra I or Algebra II? Then you found the right place to get help. We have more than forty free, text-based algebra lessons listed on the left. They’re not organized by subject matter or anything, so look over the list and see if we have the topic you’re looking for. If not, try the site search at the top of every page.
Education World – Math Practice for your Child
What they do: World presents a variety of math resources that all teachers — math teachers and teachers who get headaches thinking about teaching math — can use to liven up instruction. Find dozens of valuable math teaching ideas in our Math Subject Center.
Algebrahelp.com is a collection of lessons, calculators, and worksheets created to assist students and teachers of algebra. Here are a few of the ways you can learn here…
Having trouble solving a specific equation? Our Equation Calculator will show you the right answer and a step-by-step solution so you can solve the next one. Over the years, algebrahelp.com has helped students solve over 15 million equations! Our calculators don’t just solve equations though. See all the problems we can help with…
Need to practice a new type of problem? We have tons of problems in the Worksheets section. We can grade your answers automatically, or you can compare against the answer key. Browse the list of worksheets to get started…
Math Levels: K-8th
My Favorite Thing: tons of fun online games to practice concepts
Hooda Math is a top 10 math website geared toward helping kids practice and learn through fun computer games. Specific topics the games work with are: addition, subtraction, multiplication, addition, geometry, basic physics, fractions, integers, and algebra.
Kids learn best when having fun! Here is a game I started to play practicing geometric understanding and special reasoning.
Mathway provides students with the tools they need to understand and solve their math problems. With hundreds of millions of problems already solved, Mathway is the #1 problem solving resource available for students, parents, and teachers.
Mathway’s long-term goal is to provide step-by-step solutions to all math problems, using the simplest interface possible, across the most commonly used platforms available.
Mathway is an ambitious, long-term creative endeavor that will deliver increasing features and functionality over the years to come.
Cool Math 4 Kids
Parents & Teachers:
Cool Math 4 Kids is a math site specially designed for what kids like and how they learn! Math really CAN be fun and really CAN be easy to learn. One “thank-you” email I received from a parent said, “No more tears at homework time!” That’s what it’s all about! So look around, have fun, play together, and learn!
Math opens doors to the future!
——– Coolmath Karen
The Exciting Math Website For Kids
KidsNumbers.com is the absolutely free math resource designed by teachers, specifically for students and children of all ages. A place where students can practice all aspects of math, including addition, subtraction, multiplication, and division, in a fun and pressure free way with cool math games.
Math Foundations is a cutting edge, free 12 week program that will help build the foundation your student needs to do well with mathematics.
Teachers – Use Our Free Worksheet Generator To Create Customized Worksheets!
Play all 25 of these arcade-style math games, including Ball Hogs, Mummy Hunt, Bumble Numbers and more!