TVOntario
Tvo Kids: Tumbletown Mathletics Game
Practice fractions, counting money, understanding spatial relationships, perimeter measurement, and basic arithmetic calculations such as adding, subtracting, simple multiplying and dividing while earning points in this fast-paced game.
Books in the Classroom
Carol Hurst's Children's Literature Site: Computation and Picture Books
This sample chapter from Hurst's book Picturing Math is an excellent resource for using picture books and activities for learning computation.
PBS
Pbs Kids: Odd Squad: Games: Down the Tubes
The Odd Squad tube system is broken, but you can help to fix it by measuring the missing sections and fitting in the correct lengths of tubes.
PBS
Pbs Kids Afterschool Adventure!: Operation: Rainbow Math Activity Plan
Red apples, orange candles, yellow stars, green frogs, and blue, indigo, and violet flowers-they all add up to Rainbow Math fun! During this adventure children learn the colors of the rainbow as they practice counting, adding and...
National Council of Teachers of Mathematics
Nctm: Illuminations: Grouping and Grazing
A game that reviews grouping in fives and tens, and adding and subtracting. The instuctions are clear and include a video of how to play.
Government of Alberta
Learn alberta.ca: Mathematics Glossary: Addition
This LearnAlberta.ca resource gives an interactive and animated definition for addition.
CK-12 Foundation
Ck 12: Elem Math: Adding Three 2 Digit Numbers
[Free Registration/Login may be required to access all resource tools.] The video shows how to add three, two-digit numbers. The video is followed by practice problems covering the topics in the video.
Shodor Education Foundation
Shodor Interactivate: Arithmetic Four
You can challenge a friend to play this game to practice your arithmetic skills. Be ready because any kind of problem can pop up. You can adjust the problems to make them harder and also to give you less time.
Math Is Fun
Math Is Fun: Definition of Abacus
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!
Other
Elementary Math Worksheets
Print out different math practice sheets on the same topic as needed. A variety of practice sheets in the areas of addition, subtraction, multiplication and division are available.
Other
Pbs Kids: Addition Blocks
A fun game to help practice addition skills. Find the touching addends, and destroy the target sums that fall on the screen.
ReadWriteThink
Read Write Think: Draw a Math Story From the Concrete to the Symbolic
Contains plans for four cross-curricular lessons that ask young scholars to write simple addition and subtraction stories after reading a number of models. In addition to objectives and standards, this instructional plan contains links...
Discovery Education
Discovery Education: Web Math: Add and Subtract Polynomials
Perform and see examples of adding and subtracting polynomials on the WebMath "Solver."
Illustrative Mathematics
Illustrative Mathematics: Peyton and Presley Discuss Addition
The purpose of this task is to support students in developing an understanding of a place value strategy for adding numbers. By using a representation to visualize the abstract notation, students will make sense of the strategy, adding...
Discovery Education
Discovery Education: Web Math: K 8 Math
This WebMath site shows how to add, subtract, multiply and divide through a step by step examples. The user simple selects the operation and types in two numbers, and the computer solves the problem through a step by step process. Also...
Can Teach
Can Teach: Who Has More or Less?
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
Math Is Fun
Math Is Fun: Word Questions: Elementary Addition
Work against a timer as you test your ability to add and to solve word problems. Use number-line clue for help and score points. Fun activity for individuals, small groups, on an entire class.
Knowledge Share
Super Kids: Addition Worksheet Creator
Create your own addition math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and maximum values of...
Cool Math
Coolmath: Coolmath4kids: Tugboat Addition
Add numbers quickly to help your tugboat team win!
Doina Popovici
Math Play: Soccer Math: Adding One Digit Numbers
A fun game to review addition math facts. Play a quick game of virtual soccer while practicing adding one-digit whole numbers. Easy instructions and several levels of play.
Khan Academy
Khan Academy: Add Within 100
Practice adding two-digit numbers. All numbers in these problems are 100 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add 2 and 3 Digit Numbers (No Regrouping)
Practice solving problems like 243 + 452. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add 10s and 100s (No Regrouping)
Practice solving problems like 344+20 and 344+200. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add and Subtract Mixed Numbers 2 (With Regrouping)
Practice adding and subtracting mixed numbers with common (like) denominators. Some items require regrouping. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.