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 – 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...

P – EC – ID6

Our school has lots of events throughout the year. As a way to monitor community invovlement, the school is looking for way to see approximatley how many people attend.

P – EC – RT2

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. Are there times when a referent of 10 and a referent of 100 would be helpful? Explain...

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