In Figure 3-2, arrows were used to represent numbers in completing an addition. Explain whether you think an arrow starting at 0 and ending at 3 represents the same number as an arrow starting at 4 and ending at 7. How would you explain this to students?
Reference: Figure 3-2
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.