Lesson 04: Converting Units | Unit 3: Unit Rates and Percentages

Open Ended

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.

Open Ended

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

Multiple Choice

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?

• $800
• $1,000
• $1,500
• $1,200

Multiple Choice

Costs of homes can be very different in different parts of the United States. A 2,100-square-foot home in Cheyenne, Wyoming, costs $110 per square foot. How much does this home cost?

• $231,000
• $150,000
• $200,000
• $300,000

Open Ended

Is your estimate larger or smaller than the actual number of liters in a gallon? Explain how you know.

Multiple Choice

Andre types 208 words in 4 minutes. Noah types 342 words in 6 minutes. Who types faster?

• Andre

• Noah

Open Ended

Explain your reasoning for determining who types faster between Andre and Noah.

Open Ended

A corn vendor at a farmer's market was selling a bag of 20 ears of corn for $8. Another vendor was selling a bag of 25 for $9. Which bag is the better deal? Explain or show your reasoning.

Open Ended

Two planes travel at a constant speed. Plane A travels 2,800 miles in 5 hours. Plane B travels 3,885 miles in 7 hours. Which plane is faster? Explain your reasoning.

Open Ended

Clare sometimes mows lawns on the weekend to make extra money.

* Two weeks ago, she mowed a neighbor’s lawn for $$\frac{1}{2}$$ hour and earned $10.

* Last week, she mowed her uncle’s lawn for $$\frac{3}{2}$$ hours and earned $30.

* This week, she mowed the lawn of a community center for 2 hours and earned $30. Which jobs paid better than others? Explain your reasoning.