Lesson 9: Practice Problems
Problem 1
This package of sliced cheese costs $2.97.
How much would a package with 18 slices cost at the same price per slice? Explain or show your reasoning.
Problem 2
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 teacher printed 720 copies. How long did it take to print?
Problem 3
Order these objects from heaviest to lightest. (Note: 1 pound = 16 ounces, 1 kilogram
item |
weight |
---|---|
school bus |
9 tons |
horse |
1,100 pounds |
elephant |
5,500 kilograms |
grand piano |
15,840 ounces |
Problem 4 From Unit 3 Lesson 5
Andre sometimes mows lawns on the weekend to make extra money. Two weeks ago, he mowed a neighbor’s lawn for
Which jobs paid better than others? Explain your reasoning.
Problem 5 From Unit 3 Lesson 1
Calculate and express your answer in decimal form.
Problem 6 From Unit 1 Lesson 11
Here is a polygon.
Decompose this polygon so that its area can be calculated. All measurements are in centimeters.
Calculate its area. Organize your work so that it can be followed by others.