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Instructional Video

Learn Zillion: Check Your Answer to a Subtraction Problem: Using Rounding (1)

Curated by ACT

This is the first of two lessons in which you will learn how to check your answer to a subtraction problem by using rounding. This lesson deals with subtraction problems involving numbers with the same number of digits. [4:20]

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Concepts
place value, whole numbers, rounding
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Additional Tags
base ten, check reasonableness, learnzillion: check your answer to a subtraction problem: using rounding (1), checking work
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional
  • This video is hosted on YouTube