Interactive
Starfall

Starfall: Addition and Subtraction Strategies

For Students K - 1st Standards
This learning games focuses on addition and subtraction by filling in the missing number. At the end children can use the arrows on the computer to work a boy through a maze.
Interactive
University of Cambridge

University of Cambridge: Nrich: Game Criss Cross Quiz

For Students 1st - 5th Standards
Use this online game to improve your subtraction or addition skills while you play on a coordinate plane gameboard. Gain skills in two areas at the same time! This game can also be altered to practice multiplication facts. There is a...
Interactive
Math Is Fun

Math Is Fun: Add Em Up

For Students 3rd - 5th
This is a demo version of the game with two modes of play. In one, you must place number tiles on a grid so that the tiles touching it add up to that number. In the second mode, you solve number puzzles. Be sure to read the instructions...
Interactive
ICT Games

Ict Games: 100 Hunt: +11

For Students 2nd - 3rd
You will need to add 11 to the target number given. Find the sum and click on it in the hundreds chart. See if you can keep your time score as low as possible.
Interactive
ICT Games

Ict Games: 100 Hunt: +10

For Students 2nd - 3rd
You will need to add 10 to the target number given. Find the sum and click on it in the hundreds chart. See if you can keep your time score as low as possible.
Interactive
PBS

Pbs Kids: Cyberchase: Railway Hero

For Students 1st - 4th
Players are on a mission to repair cyberspace's Information SuperRailway, after pieces of its track were stolen by the villain Hacker. Using math problem-solving strategies including counting, addition, and spatial reasoning, players...
Activity
University of Cambridge

University of Cambridge: Nrich: Adding Plus

For Students Pre-K - 1st
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
Interactive
Organization for Community Networks

Lesson Plan: I've Got Your Number (Number Sense)

For Students 3rd - 7th
An engaging lesson used to review math concepts and facts. Students are certain to "Stay alert," in this card game where each solution is related to the next solution. Sample questions provided. Great problem solving and skill building...
Interactive
Media Smarts

Media Awareness Network: Co Co's Adver Smarts

For Students 3rd - 5th
Co-Co's AdverSmarts is an interactive unit whose purpose is to help children ages five through eight recognize marketing techniques used on websites that target them. As kids assist in designing the new Co-Co Crunch website, Co-Co...
Interactive
Quia

Quia: Story Problems With Mixed Practice

For Students 3rd - 8th
Your problem-solving skills are put to the test in this interactive word problem game on this site. Employ a variety of mathematical skills and strategies including logical reasoning and computation. Multiple choice problems created for...
Activity
Math Cats

Math Cat: Fact Family Card

For Students Pre-K - 1st
Everything you need to know about fact families can be found here. Discover what fact families are and learn different strategies for using them. Links included to print your own fact family cards, create a fact family house, and play a...
Interactive
ICT Games

Ict Games: 100 Hunt Plus 9

For Students 1st - 3rd
You will need to add 9 to the target number given. Find the sum and click it in the hundreds chart. See if you can keep your time score as low as possible.
Activity
Education Place

Houghton Mifflin: Eduplace: Kids' Place Mathematics

For Students Pre-K - 1st
Educational publisher Houghton Mifflin provides a colorful, engaging site that offers test-prep practice, test-taking strategies, and brain teasers on a variety of math concepts for grades 1-6. Just "Choose an activity and pick a grade,"...
Activity
Education Place

Houghton Mifflin: Eduplace: Kids' Place Mathematics

For Students Pre-K - 1st
Educational publisher Houghton Mifflin provides a colorful, engaging site that offers test-prep practice, test-taking strategies, and brain teasers on a variety of math concepts for grades 1-6. Just "Choose an activity and pick a grade,"...
Activity
NumberNut

Number Nut: More Than Two Addends

For Students 3rd - 5th
Develop strategies for adding more than two addends with this quick addition lesson. Examine how grouping numbers can help make adding multiple numbers easier. Then, practice your new skills using the related interactive games that are...
Activity
University of Cambridge

University of Cambridge: Nrich: Sealed Solution

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition facts skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: One Big Triangle

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and addition facts skills while working on this challenge. The solution is available to double check your solution.
Interactive
Shodor Education Foundation

Shodor Interactivate: Estimator Four

For Students 2nd - 8th
This applet game for two allows you to practice estimating at several different levels of accuracy. You can choose whole number addition, multiplication, percentages or any combination of the three.
Website
Primary Resources

Primary Resources: Doubling and Halving

For Teachers 3rd - 5th
Great teacher resources for helping students learn how to double or halve numbers quickly. Includes worksheets, PowerPoint presentations, and classroom games.
Activity
University of Cambridge

University of Cambridge: Nrich: Routes 1 and 5

For Students 3rd - 8th Standards
Sharpen your logic and basic arithmetic skills while working on this challenge. Solution.
Activity
University of Cambridge

University of Cambridge: Nrich: A Square Deal

For Students 3rd - 8th Standards
On this one page website sharpen your logic, ordered pairs, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Square Roots (Object Interactive)

For Students 6th - 8th Standards
Explore a set of perfect squares, as well as their square roots using this highly interactive math resource. In addition, students will get to look at estimates of the square roots of non-perfect squares. Printable activities, solutions,...