Unit 6 Contents

“You are not using the Fewest Pieces Rule,” said Maya. Maya traded 10 bits for a skinny. Then there were 8 skinnies and 2 bits. Together, they made 82 Chocos.

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5. “We do not need a record sheet with columns if we think about the Fewest Pieces Rule and make the trades in our heads,” said Maya. Look at the two ways Maya solved the problem below. Why did Maya put a 1 above the 3 when using paper and pencil?

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6. Eric said, “When I use paper and pencil, I think about adding the skinnies and bits. I think 3 skinnies plus 4 skinnies is 30 + 40. Then 7 bits plus 7 bits is 14. I write it like this.”

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Why did Eric write 70 + 14 under his problem?