P – WN – RT5
The school received a large donation from a former teacher. When the school cashed the cheque at the bank, the school noticed that they received different kinds of paper money. There were a lot of $5s, $20s, and $50s, but not many $10s and $100s. How much money was...P – WN – RT6
Four groups signed up for a recycling challenge. After two months, two of the groups had collected a large number of items, one group collected very little, and the fourth group was somewhere in between. Arrange the number of items in descending order so that the...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...P – EC – RT3
You and a friend are asked to estimate the number of attendees at your school’s graduation ceremony. If you were to estimate such a large crowd, how large would your referent be and how would you use it to estimate the number of...Page 68 of 90