Concept explainers
David and Ashley want to calculate
- Draw a number line (which need not be perfectly to scale) to help you explain who is right and why. Do not just say which answer is numerically correct; use the number line to help you explain why the answer must be correct.
- Explain in another way who is right and why.
Want to see the full answer?
Check out a sample textbook solutionChapter 3 Solutions
MATHEMATICS FOR ELEM. TEACHING CUSTOM
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