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[Free Registration/Login may be required to access all resource tools.] The video shows how to finding the missing number in a two-digit subtraction problem by working backwards. The video is followed by a series of practice questions to assess student comprehension of the concept.
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- Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
- The intended use for this resource is Instructional|practice
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