Description
Math can be taught more like science is, now with all the work with analyzing different strategies to add and subtract. Let your students try to discover how and why the constant difference strategy for subtraction works, then provide a great example for when it's really better than an algorithm sometimes!
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Highlights
Digital downloads
Grades
2nd - 4th
Subjects
Standards
CCSS3.NBT.A.2
Tags
Pages
3
Teaching Duration
45 minutes
Description
Math can be taught more like science is, now with all the work with analyzing different strategies to add and subtract. Let your students try to discover how and why the constant difference strategy for subtraction works, then provide a great example for when it's really better than an algorithm sometimes!
Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.
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Great Resource!
Questions & Answers
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Standards
to see state-specific standards (only available in the US).
CCSS3.NBT.A.2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
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