E – I – RT8

The zookeeper wanted to monitor changes in the lion’s weight. The lion’s current weight was recorded as 0 kilograms. The lion would be weighed every week. The lion’s weight went up in each of the first few weeks. Then, over the next four weeks, the...

E – I – RT9

The student said he placed six integers on an open number line. He provided the following hints about his number line: there are the same number of positive and negative integers, a few of the negative integers are close to zero and all of the positive integers are...

E – I – RT10

The teacher said she placed five integers on an open number line. She will not show you her drawing, but she did share that there are more negative integers than positive integers, that three of the integers are close together and that the remaining two integers are...

E – I – RT11

A teacher asked students to make a number line that has six integers, both positive and negative, place on it. As a challenge, the teacher asked students to place the same six integers on another number line that has a much different...

E – I – ID1

The community is preparing to have outdoor events for its youth. To be well informed, the community would like to have a record of the change in temperature over the past few weeks. They are asking if we could share this data in a way that highlights the changes in...

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