eBook
Queen's Printer for Ontario

Eworkshop.on.ca: Number Sense and Numeration, Grds 4 6: Decimal Numbers [Pdf]

For Teachers 3rd - 8th Standards
Volume 6 in a workshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teaching decimal numbers and concepts to students in grades 4 through 6. Includes sample learning activities.
Unit Plan
AAA Math

Aaa Math: Estimation

For Students 4th - 6th
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...
Interactive
University of Cambridge

University of Cambridge: Nrich: Got It

For Students 1st - 8th
Sharpen your logical thinking and see if you can figure out the strategy to get to the target number before the computer.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Beating Heart

For Students 3rd - 8th Standards
Do you know how long it takes your heart to beat 100 times? Test your estimation and number sense skills with this problem-solving challenge. A one-page activity taken from the NCTM Math Challenges for Families Collection. Hints and...
Lesson Plan
Better Lesson

Better Lesson: Moving Into Thousands

For Teachers 2nd Standards
To make sense of numbers in the thousands, 2nd grade students need practice identifying place value positions and using place value strategies in numbers to 1,000.
Lesson Plan
Better Lesson

Better Lesson: Manipulation Central

For Teachers 2nd Standards
Not everyone solves a problem in the same way. Reinforcing that different strategies can be used effectively is the goal of this lesson.
Activity
University of Cambridge

University of Cambridge: Nrich: Two Primes Make One Square

For Students 3rd - 8th
On this one page website sharpen your logic, prime numbers and square numbers skills while working on this challenge. The solution is available to double check your solution.
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
University of Cambridge

University of Cambridge: Nrich: Make 37

For Students Pre-K - 1st Standards
Sharpen your logic and addition skills while working on this challenge. Solution.
Unit Plan
Queen's Printer for Ontario

Eworkshop.on.ca: Number Sense and Numeration, Grds 4 6: Fractions [Pdf]

For Teachers 4th - 6th Standards
Volume 5 in an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teaching fractions to students in grades 4 through 6. Includes sample learning activities.
Activity
NumberNut

Number Nut: Subtracting Through Twenty

For Students Pre-K - 1st Standards
Review or learn the basics of single-digit subtraction in this concise lesson that has related vocabulary and strategies for solving subtraction problems. This lesson includes lots of examples and links for two interactive subtraction...
Activity
NumberNut

Number Nut: Subtracting More Than Two Values

For Students 3rd - 5th Standards
Get the facts on how to subtract more than two values in this short subtraction lesson. This lesson offers step-by-step examples, suggested strategies and shortcuts, and links to related interactive games. Both games are fast-paced and...
Interactive
Math Slice

Math Slice: Bricks 21 Game

For Students K - 1st
To win this strategic game you must lay the 21st brick. That is what makes this interactive game challenging. Play against the computer or a partner. Winners will have their names posted for the day.
Activity
Other

Welcome to mr.r's World of Math!!!

For Students 3rd - 5th Standards
At this site, math word problems are presented in an exciting and creative format. Students attempt to find solutions to hilarious situations using their mathematical skills. To do this they must solve various math problems in a certain...
Activity
University of Cambridge

University of Cambridge: Nrich: Twenty Divided Into Six

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

University of Cambridge: Nrich: Seven Sticks

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

University of Cambridge: Nrich: Three Cubed

For Students 3rd - 8th
Use the shapes provided and figure out how they fit together to make a 3 X 3 cube at this one page website. The solution is readily available right at the website.
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
University of Cambridge

University of Cambridge: Nrich: Cubes Within Cubes

For Students 3rd - 4th
On this one page website sharpen your logic, geometry, spatial thinking, and problem solving skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Domino Square

For Students 3rd - 8th
Use your problem solving skills and move the dominoes around on the square so that each side has only eight dots. When you are finished you can check your answer against theirs right at this one page NRich website.
Activity
University of Cambridge

University of Cambridge: Nrich: Planet Plex Time

For Students K - 1st Standards
At this one page website you can sharpen your logic and counting skills while working on this challenge. The solution is available to double check your solution.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Cut the Cake

For Students 2nd - 6th Standards
A math challenge where geometry, measurement, and problem solving meet. Explore the properties of three dimensional shapes when you discover how six friends can equally divide a nine inch square chocolate cake. A one page activity from...
Lesson Plan
Better Lesson

Better Lesson: Measuring and Weighing and Filling, Oh My!

For Teachers 6th Standards
This instructional activity drives home the idea that studying for math means practicing problems and reflecting on your strategies