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Illustrative Mathematics

Illustrative Mathematics: 3.oa Symmetry of the Addition Table

For Teachers 2nd - 4th Standards
The goal of this task is to help students understand the commutative property of addition by examining the addition facts for single digit numbers. Aligns with CCSS.Math.Content.3.OA.D.9 Identify arithmetic patterns, and explain them...
Handout
University of Georgia

University of Georgia: Intermath Dictionary: Additive Inverse

For Students 3rd - 8th Standards
"What happens when you add opposite numbers together?" Understanding the additive inverse will help you to answer this questions. An explanation of additive inverse with examples and non-examples.
Interactive
University of Cambridge

University of Cambridge: Nrich: Flip Flop

For Students 1st - 5th
Use this game to improve your quickness and memorization of addition facts. You can set the facts you want to practice on this game. Just follow the instructions below it!
Activity
University of Cambridge

University of Cambridge: Nrich: Napier's Bones

For Students 3rd - 8th Standards
Use this one page website to learn how to multiply and divide a "new" way. This method was invented over 400 years ago by John Napier. A detailed explanation is only a click away.
Activity
University of Cambridge

University of Cambridge: Nrich: Magic Squares

For Students 3rd - 8th Standards
In a Magic Square all the rows, columns and diagonals add to the same number. This number is called the Magic Constant. Learn math fundamentals visually and have fun at the same time.
Graphic
Math2

Math2: Fraction to Decimal Conversion

For Students 3rd - 8th Standards
This tutorial features conversions of basic fractions in lowest terms and the decimal equivalents.
Activity
University of Cambridge

University of Cambridge: Nrich: Magic Squares 3x3

For Students 3rd - 8th Standards
Use your problem solving skills to make these magic squares work correctly. The solutions are at this one page website.
Interactive
Quia

Quia: Multiplication Madness Fives & Sixes

For Students 2nd - 5th
Do you need practice learning and remembering your multiplication facts for the fives and sixes? This flash card practice is the web site for you! There is a link to a list of the numbers being used so you can check your answer.
Activity
Quia

Quia: Multiplication Facts Review 1 10

For Students 3rd - 5th
Do you need practice remembering or learning your multiplication facts up to 10 X 10? This matching game is the web site for you! There is a link to a list of multiplication facts and their products you can click if you want to see if...
Interactive
Visual Fractions

Visual Fractions: Strict Fraction Division With Lines

For Students 4th - 6th
Use this interactive site from Visual Fractions to divide fractions. Your answers need to be given in lowest terms. Explanations are available for each question, and you receive immediate feedback for your answers.
Interactive
Visual Fractions

Visual Fractions: Divide Fractions With Circles

For Students 4th - 6th Standards
Use the circles on this interactive site to learn and practice dividing fractions. An explanation is available for each question, and you receive immediate feedback for your answers.
Interactive
Quia

Quia: Fraction Decimal Conversion Concentration

For Students 3rd - 8th
This tutorial has students practice matching fractions and their decimal equivalents using a concentration game format.
Interactive
NumberNut

Number Nut: Multiplication Overview

For Students 2nd - 5th Standards
Understand the basics of multiplication from this brief overview that contains related vocabulary, symbols, and examples of this operation. Students can practice this skill using the single-digit multiplication games. Both games are...
Article
Other

Schoolhouse Rock: Multiplication Rock

For Students 3rd - 5th
This site from Schoolhouse Rock provides links to eleven different songs that have to do with multiplication. The songs are taken from the 1970's TV show, Schoolhouse rock, and are very catchy tunes. You can access the lyrics by clicking...
Interactive
Quia

Quia: Multiplication Madness Fives & Sixes

For Students 2nd - 5th
Do you need practice learning and remembering your multiplication facts for the fives and sixes? This word search is the web site for you! There is a link to a list of the numbers being used so you can check your answer.
Interactive
Visual Fractions

Visual Fractions: Fraction Division With Lines

For Students 4th - 7th Standards
Once the dividend is correctly identified, a rectangle representing the divisor will appear. The divisor is the horizontal distance of the blue arrow. The program will not continue unless the dividend or the divisor are correctly...