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identify and explain mathematical relationships and patterns through the use of grids, tables, charts, or calculators
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Janice investigated circle patterns to compare multiples of 3 and multiples of 7. Here is what she wrote in her journal:
I found the circle patterns for multiples of 3 and 7 are the same. That is because the digits in the 1s place are the same, but are located by moving in opposite
directions around the circle.
[Click on image to enlarge.]
Investigate circle patterns for other multiple facts. Find another pair of numbers whose multiples produce an identical circle design. Write
a journal entry to explain your investigation.
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