E – M – RT7

Julio told his teacher that there are four possible arrays for an area of 36 cm². Is the student correct? How do you know?

E – I – ID6

Some students use the school bus to go to and from school, while others walk or bike. There are fluctuations from day-to-day. How can we monitor these fluctuations without using larger numbers.

P – EC – OE16

About how many counters can you pick up in five handfuls?

P – EC – ID4

Our school has decided to have a bake sale. As a class, we need to decide how much of one food group to bring to sell. We know that we can’t have an exact figure, but we want to ensure we are close.

P – EC – OE17

About how many counters can you pick up in ten handfuls?

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