Rewards for Problems of the week:
5 stars for the correct answer at your level; 10 stars for the next level; 20 stars for 2+ levels up.
Lower Elementary:
Question: Kylie sold books at a yard sale for 10¢ each and toys for 50¢ each. If she sells 6 books and 3 toys, how much does Kylie earn altogether?
Upper Elementary:
Question: Eight groups of children are performing skits at their summer camp comedy show. Each skit is 5 minutes long. If each group performs once and the campers must be done with the comedy show by 9:15 pm, then what is the latest time they can start the show?
Middle School:
Question: A 9-foot tree casts a 6-foot shadow. Cameron’s dog casts a 2-foot shadow. Cameron is twice as tall as the dog. How tall is Cameron?
Algebra and Up:
Question: The profit earned by a coffee 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 2012. What month does the coffee company earn the least amount of money? How much do they earn?
Challenge problem to take home. 5 stars for the correct answer.
Which of the numbers below can't you get by changing some of the +
to -
?
a) -8 b) 0 c) 6 d) 8