E – SE – RT3

Five boxes of binders arrived at the school. You realize once you take all the binders out of the boxes, you will have to send a few back so that there are the same number of binders as the staff of 22. How many binders are in each box? Write an equation for this...

E – SE – RT4

Two students created an equation with an unknown number (represented by the letter ‘m’). When talking about their equations, both students shared that the letter ‘m’ represented the number 7. The two students assumed that their equations had to...

E – SE – RT5

There is a product on one side of the equal sign and a sum on the other side of the equal sign. No numbers repeat in the equation. What could the equation be?

E – MDW – RT1

Meadowvale Elementary is a school with a population slightly under 100 students. To raise money for a field trip, the school decided to sell cookbooks. For each cookbook sold, the school would receive a small profit. If most of the students sell a cookbook, about how...

E – MDW – RT2

The public speaking club at school decided to have members present a collection. There were between 50 and 60 members in the club. Each member in the club brought in slighlty less than 10 hockey cards. How many hockey cards were shared during the...

Subscribe To Our Newsletter

Join our mailing list to receive the latest news and updates from Dr. David Costello.

You have successfully subscribed!