P – EC – RT11

Jamie, Matty and Reid estimated how many balloons were at the party. Jamie used a referent of 10, Matty used a referent of 25 and Reid didn’t use a referent. All three of their estimates were very close. How could their estimates have been so close if they all...

P – EC – ID1

Our school is raising money for the local food bank. Students and staff want to have a successful yard sale. The principal is looking for help in planning the sale. Specifically, the principal is wondering how many items would be best and how to organize the yard...

P – EC – ID2

Our class is thinking of making small cards for random acts of kindness. We want to ensure that we have enough cards, but not too many so that there isn’t a lot of waste.

P – EC – ID3

Our class was asked to organize the school’s milk program for one month. Our task was to be efficient when ordering so we don’t have a lot of waste.

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