Open Up - Grade 6 - Mathematics - Unit 3 - Lesson 9

This package of sliced cheese costs $2.97.

How much would a package with 18 slices cost at the same price per slice?

A copy machine can print 480 copies every 4 minutes. For each question, explain or show your reasoning.

How many copies can it print in 10 minutes?

A copy machine can print 480 copies every 4 minutes. For each question, explain or show your reasoning.

A teacher printed 720 copies. How long did it take to print?

Order these objects from heaviest to lightest. (Note: 1 pound = 16 ounces, 1 kilogram 2.2 pounds, and 1 ton = 2,000 pounds)

1. horse - 1,100 pounds
2. grand piano - 15,840 ounces
3. elephant - 5,500 kilograms
4. school bus - 9 tons

Andre sometimes mows lawns on the weekend to make extra money. Two weeks ago, he mowed a neighbor’s lawn for 1/2 hour and earned $10. Last week, he mowed his uncle’s lawn for 3/2 hours and earned $30. This week, he mowed the lawn of a community center for 2 hours and earned $30.

Which jobs paid better than others?

Decompose this polygon so that its area can be calculated. All measurements are in centimeters. Then calculate it's area.