Lesson 5: Practice Problems
Problem 1
Mai and Priya were on scooters. Mai traveled 15 meters in 6 seconds. Priya travels 22 meters in 10 seconds. Who was moving faster? Explain your reasoning.
Problem 2
Here are the prices for cans of juice that are the same brand and the same size at different stores. Which store offers the best deal? Explain your reasoning.
Store X: 4 cans for $2.48
Store Y: 5 cans for $3.00
Store Z: 59 cents per can
Problem 3
Costs of homes can be very different in different parts of the United States.
A 450-square-foot apartment in New York City costs $540,000. What is the price per square foot? Explain or show your reasoning.
A 2,100-square-foot home in Cheyenne, Wyoming, costs $110 per square foot. How much does this home cost? Explain or show your reasoning.
Problem 4 From Unit 3 Lesson 4
There are 33.8 fluid ounces in a liter. There are 128 fluid ounces in a gallon.
About how many liters are in a gallon?
2
3
4
5
Is your estimate larger or smaller than the actual number of liters in a gallon? Explain how you know.
Problem 5 From Unit 3 Lesson 3
Diego is 165 cm tall. Andre is 1.7 m tall. Who is taller, Diego or Andre? Explain your reasoning.
Problem 6 From Unit 3 Lesson 2
Name an object that could be about the same length as each measurement.
4 inches
6 feet
1 meter
5 yards
6 centimeters
2 millimeters
3 kilometers