Unit Rates and Ratios: A 6th Grade Challenge

A car travels 150 miles in 3 hours. What is the unit rate in miles per hour?

• 75 miles per hour

• 30 miles per hour

• 100 miles per hour

• 50 miles per hour

If 4 apples cost $2, how much would 10 apples cost?

• $5.00

• $6.00

• $4.00

• $3.00

A recipe requires 2 cups of flour for every 3 cups of sugar. What is the ratio of flour to sugar?

• 2:3

• 4:3

• 3:2

• 1:2

If a cyclist rides 60 miles in 2 hours, how many miles does he ride per hour?

• 40 miles per hour

• 30 miles per hour

• 20 miles per hour

• 50 miles per hour

A store sells 5 pounds of oranges for $10. What is the cost per pound?

• $1 per pound

• $2 per pound

• $5 per pound

• $3 per pound

If a car uses 12 gallons of gas to travel 300 miles, what is the unit rate in miles per gallon?

• 25 miles per gallon

• 20 miles per gallon

• 30 miles per gallon

• 15 miles per gallon

A recipe calls for a ratio of 1 part vinegar to 4 parts oil. If you use 2 cups of vinegar, how much oil do you need?

• 10 cups of oil

• 6 cups of oil

• 4 cups of oil

• 8 cups of oil

If 3 notebooks cost $6, how much do 8 notebooks cost?

• $12

• $16

• $20

• $10

A train travels 240 miles in 4 hours. What is the speed of the train in miles per hour?

• 80 miles per hour

• 60 miles per hour

• 50 miles per hour

• 70 miles per hour

If a gardener plants 15 flowers in 3 rows, how many flowers are in each row?

• 6

• 3

• 5

• 4