# Problems of the Week Aug 16 - 20, 2020

Aug 16, 2020 | Killarney

Solve the Problem of the Week for your grade level!

Get a Problem of the Week ballot and submit your entry before closing time on Thursday. All correct solutions will receive 5 extra punches on their Reward card at the start of their next session in the math learning centre. If you are using our online math tutoring platform, you can also submit your entry during your next online math learning session.

Grades 2-3: Zachary sold books at a yard sale for 15¢ each and toys for \$1.00 each. If he sells 6 books and 3 toys, how much money does Zachary make altogether?

Grades 4-6: Eight students are performing songs for their music class recital. Each song is 5 minutes long. If each music student performs 1 song and all 8 students must be done performing by 9:15 pm, then what is the latest time they can start the recital?

Grades 7-8: A 9-metre tree casts a 6-metre shadow. A songbird casts a 2-centimetre shadow. A squirrel is twice as tall as the songbird. How tall is the squirrel?

Grades 9 and up: The profit earned by a cat-sitting company, measured in thousands of dollars, is modeled by the function f(t) = t2 – 8t + 16, wherein t is measured in months and t = 1 is January. During which month does the cat-sitting company earn the least amount of money? How much do they earn?