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This Mental Math for Addition and Subtraction Equations: Marble Bag Collector interactive also includes:
- Student Reference
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Don't lose your marbles as your learn about addition and subtraction equations. Pupils investigate the relationship between addition and subtraction by using an interactive. They drag different color marbles into a box and identify the number of additional marbles needed to completely fill the box.
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CCSS:
Designed
Additional Tags
Instructional Ideas
- Use the review questions as homework
Classroom Considerations
- Access to the interactive requires a free CK-12 account
- Scholars should have an understanding of inverse operations
Pros
- Some of the challenge questions have hints for struggling learners
- Interactive is easy to use as directions are clear
Cons
- None