Concept explainers
Janet worked her addition problems by placing the partial sums as shown here:
a. Use this method to work the following addition problems.
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b. |
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b. Explain why this algorithm works.
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Check out a sample textbook solutionChapter 3 Solutions
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage