## Exploding Dots

### 4.5 Wild Explorations

Here are some “big question” investigations you might want to explore, or just think about. Have fun!

 EXPLORATION 1: IS THERE ANOTHER WAY TO INTERPRET THE DOTS-AND-BOXES ANSWERS? When Sunil saw he wrote on his paper the following lines: He then said that the answer has to be $$165$$. a) Can you explain what he is seeing and thinking? b) What would Sunil likely write on the page for $$7109-3384$$?

 EXPLORATION 2: WHAT ABOUT NEGATIVE ANSWERS?  How might you handle and interpret this subtraction problem?

## Books

Take your understanding to the next level with easy to understand books by James Tanton.

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## Guides & Solutions

Dive deeper into key topics through detailed, easy to follow guides and solution sets.

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