Activity
Curated OER

Flipping for a Grade

For Teachers 9th - 12th Standards
What happens when your teachers get tired of grading tests and want to use games of chance to determine your grade? How would you decide which game they should play? Learn how to use expected value and standard notation to compare two...
Activity
1
1
Granite School District

Activities that Build Number Sense

For Teachers K - 2nd Standards
Have fun while building the number sense of young mathematicians with this list of ten-frame learning games. From developing cardinality and counting skills to learning place value and basic addition strategies, ten-frames are excellent...
Lesson Plan
West Contra Costa Unified School District

Decimals and Fractions

For Teachers 3rd - 4th Standards
Reinforce the concept of fractions and decimals as part of a whole with a lesson that begins with a mixed review, then goes into a three problem guided practice, and ends with a collaborative activity. The guided practice and activity...
Lesson Plan
Illustrative Mathematics

Make Your Own Puzzle

For Teachers K - 2nd Standards
Puzzling over what geometry activity to teach next? Look no further. This simple activity teaches young mathematicians how shapes can be decomposed into smaller figures, and how smaller figures can be assembled into larger shapes. To...
Activity
Agile Mind

Cake Weighing

For Teachers 5th - 7th Standards
An online set of four yummy questions addresses number sense for sixth graders. They place points on a number line, determine relative values, interpret absolute value, and apply their understanding to the weighing of cakes for a bakery....
Lesson Plan
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Illustrative Mathematics

Rectangle Perimeter 2

For Teachers 5th - 7th Standards
While this activity is centered around expressions that represent the perimeter of a rectangle, it also hits at the fundamental concept of equivalent expressions, simplifing expressions, and like-terms. Classmates express their...
Interactive
1
1
NASA

Resolving 3-Plane Traffic Conflicts by Changing Speed—Problem Set F

For Teachers 5th - 9th Standards
Get three planes to line up safely. Individuals work through a set of problems to eliminate spacing conflicts between three airplanes in flight. The pupils use their knowledge to change the airplanes' speed or route to meet a...
Activity
University of Florida

Protecting Our Water Resources

For Teachers K - 9th
Teach young environmentalists to protect their planet's resources with a set of interactive experiments. Kindergartners and other youngsters learn about watersheds and the water cycle, while older elementary learners focus on fertilizer...
Activity
Scholastic

Collaborative Year-End Projects

For Teachers 6th - 8th
Coming up with a menu of engaging year-end projects can be a challenge. Never fear, help is here with an article that suggests eight projects sure to capture the interest of learners of all ages.