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Unit Plan

Khan Academy: Estimate to Add and Subtract Multi Digit Whole Numbers

Curated by ACT

Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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CCSS: Adaptable
Concepts
estimation, addition, rounding
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Additional Tags
2nd grade mathematics, estimate, 3rd grade math, estimate to add and subtract multi-digit whole numbers, khan academy, khan academy: estimate to add and subtract multi-digit whole numbers, multi-digit whole numbers
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Classroom Considerations
  • Knovation Readability Score: 1 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice