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?P – EC – ID5
Lots of the students in our school use recyclable containers in their lunch. We are thinking of having a recycling drive, but are curious how many items we would have collected by the end of the year.P – EC – RT1
A group of students were learning about using referents when estimating. Some of these students argued that referents should be 10 while others argued that referents should be 100. When would be an appropriate time to use either referent? Explain your...Page 1 of 27