Unit Plan
Khan Academy

Khan Academy: Subtract 1 Digit Numbers With Regrouping

For Students 1st - 3rd
Practice solving problems like 46-9. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
Doina Popovici

Math Play: Fractions Jeopardy

For Students 3rd - 8th
Assess your knowledge of adding, subtracting, multiplying, and dividing fractions with a game of jeopardy.
Unit Plan
Khan Academy

Khan Academy: Add 2 and 3 Digit Numbers (No Regrouping)

For Students 1st - 3rd Standards
Practice solving problems like 243 + 452. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add Fractions With Common Denominators

For Students 3rd - 5th
Add two fractions with the like denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add Using Groups of 10 and 100

For Students 1st - 3rd Standards
Practice making groups of 10 and 100 while adding 3-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Add Within 1000

For Students 2nd - 4th
Practice adding three-digit numbers. All sums are 1000 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, and ask for hints.
Interactive
Doina Popovici

Math Play: Money Game: Counting Money

For Students 1st - 5th Standards
Students solve money word problems and count correct change to answer the questions.
Website
Ducksters

Ducksters: Kid's Games: Fast Math in Outer Space Game

For Students 3rd - 8th
Test your math skills and speed with this fun space battle game. You will have to do more than just shoot straight, you will have to add, subtract, divide, and multiply quickly to win this battle.
Graphic
Math Is Fun

Math Is Fun: Definition of Abacus

For Students 3rd - 8th
You can use an abacus to count, add, subtract, multiply and more. Try this interactive abacus and see if you can make the numbers. Choose "here's more" for some clues. Good luck!
Unit Plan
AAA Math

Aaa Math: Subtraction

For Students 1st - 8th Standards
This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.
Unit Plan
Khan Academy

Khan Academy: Length Word Problems

For Students 1st - 3rd Standards
Add and subtract lengths to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Alabama Learning Exchange

Alex: Integers Are Rising and Falling Everywhere!

For Teachers 3rd - 8th
Learners will expand from the idea of not only identifying signed numbers but to use them for numerical operations. This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Challenge Flow Chart Numbers to 1000

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to answer a series of addition or subtraction problems with numbers up to 1,000. The video is followed by practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Decimals From the Thousandths Place to the Tens Place

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] This mathematics resource is a video demonstrating addition with decimals to the thousandths place, followed by practice problems adding numbers with digits in the...
Lesson Plan
Intel Corporation

Intel: Fractions Made Visual

For Teachers 3rd - 5th Standards
Students learn the importance of math accuracy and, more specifically, that knowing how to add, subtract, multiply, and divide fractions make life easier for everyone. To help students come to this understanding, they are assigned to a...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Finding the Total Price Multiplication

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Students practice solving multiplication word problems.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Multiplication Involving Distance

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Students practice solving word problems that use multiplication to find the distance.
Interactive
Quia

Quia: Equivalent Fractions

For Students 3rd - 6th Standards
Use this Web site to practice finding equivalent fractions using a matching game format. CCSS.Math.Content.3.NF.A.3.a Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line.
Website
Ducksters

Ducksters: Kid's Games: The Ultimate Math Challenge

For Students 2nd - 8th
Test your math skills with different levels and mathematics functions. Add, subtract, multiply, and divide your way into funny comments and a better numbers brain.
Unknown Type
Math Is Fun

Math Is Fun: Adding Decimals

For Students 3rd - 8th Standards
Learn to add decimals by viewing simple steps and examples. Follow links to decimal worksheets, as well as steps for subtracting, multiplying, and dividing decimals.
Whiteboard
ClassFlow

Class Flow: Adding Fractions With Unlike Denominators

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart teaches the steps necessary to add or subtract fractions with unlike denominators by getting a common denominator. It uses Activotes to assess getting the correct least common multiple,...
Activity
University of Cambridge

University of Cambridge: Nrich: Fun Time

For Students 3rd - 8th Standards
On this one page website sharpen your logic and fraction skills while working on this challenge. The solution is available to double check your solution.
Unit Plan
Khan Academy

Khan Academy: Break Apart 3 Digit Addition Problems

For Students 1st - 3rd Standards
Practice breaking apart big addition problems using place value. For example, 234+567 is the same as 200+500+30+60+4+7. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Unit Plan
Khan Academy

Khan Academy: Adding 53+17 by Making a Group of 10

For Students 2nd - 3rd
Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:35]