Rates, Unit Rates, Proportion

A cookie recipe calls for 2 eggs and 3 cups of flour. How many cups of flour is needed with 8 eggs?

• 9 cups of flour

• 5 cups of flour

• 12 cups of flour

• 6 cups of flour

• 4
• 12

The ratio of a person's weight on Earth to his weight on the Moon is 6 to 1. Xavier weighs 90 pounds on Earth. How much would he weigh on the Moon?

• 60 pounds

• 96 pounds

• 540 pounds

• 15 pounds

A Transformer stands 20 ft. tall with a shadow of 6 ft. long. If the Transformer next to it is 30 ft. tall, how long would its shadow be?

• 9 ft.

• 4 ft.

• 6 ft.

• 3 ft.

A sixth-grade math teacher can grade 25 homework assignments in 20 minutes. Is he working at a faster rate or slower rate than grading 36 homework assignments in 30 minutes?

• Slower rate
• Faster rate
• He didn't grade them
• Everyone got 100

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

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

Which is the better deal?
Oreos
$2.98 for 15 oz
OR
Chips Ahoy
$2.50 for 14 oz

• Oreos
• Chips Ahoy

After 3 hours, Ernie had travelled 195 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

• 400 miles

• 325 miles

• 575 miles

• 650 miles

A rate is a ratio that compares

• A part to a part

• A part to a whole

• Quantities with different units

• Quantities with the same units