Math Unit Rate

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• b
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• d

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar

Four pounds of bananas cost $6.  What is the cost per pound of bananas?

• $24 per pound

• $1.50 per pound

• $1 per pound

• $6 per pound

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour

• $6 per hour

• $6.80 per hour

• $17.40 per hour

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

• 50 miles/hour

• 45 miles/hour

• 100 miles/hour

• 60 miles/hour

A table shows the relationship between the number of hours worked and the amount earned at a job. If the table shows that 4 hours of work earns $36, what is the unit rate of pay per hour?

• $9/hour

• $10/hour

• $8/hour

• $12/hour

Diana uses 30 grams of coffee beans to make 48 fluid ounces of coffee. When guests come, she makes 96 fluid ounces of coffee. How many grams of coffee beans does Diana use when she has visitors?

Mathematical Equivalence

ON

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute

• 100 words per minute

• 400 words per minute

• 412 words per minute

150 grams of fertilizer is required for a land area of 6 square acres.  At this rate, how many grams of fertilizer is needed for 13 square acres?

• 25 grams

• 300 grams

• 325 grams

• 310 grams

Which is the "better buy"?  A 12 ounce can of corn for $1.92 of  a 20 ounce can of corn for $3.00?

• They are the same

• The  20 ounce can

• The 12 ounce can