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- Maya and Michael worked on the same problem. Here is the problem: “Show how a base-ten hopper can start at 1000 and move back 285.”
Here is Maya's number line.
Here is Michael's number line.
- Whose number line is not correct? What mistake did that student make?
- What is the difference between “moving back 10” and “moving back to 10”?
Complete the Exploring Base-Ten Hoppers pages in the
Student Activity Book.