Grade 6 Open Up Unit 3 Review

Open Up Unit 3 Review

percentages and ratios

Percents

set up a proportion

Fill in the Blanks

There are 25 students in class. 12 are boys. What percentage are boys?

Multiple Choice

There are 25 students in class. 13 are girls. What percentage are girls?

• 52%

• 19%

• 13%

• 38%

Fill in the Blanks

I have a dozen donuts. 9 are glazed. What percent are glazed?

Multiple Choice

We watched 54 minutes of the movie before lunch. We are 60% finished. How long is the movie?

• 32.4 minutes

• 21.6 minutes

• 111.11 minutes

• 90 minutes

Fill in the Blanks

Ugly sweaters are on sale for 75% of their original price. They normally cost $24. What is the sales prices?

Multiple Choice

The kids ate 60% of the cinnamon rolls. They ate 12. How many were there?

• 20

• 7.2

• 50

Fill in the Blanks

Bowser got 19 right on his 20 question spelling test. What is his percentage?

Fill in the Blanks

Toad got a 75% on his 20 question spelling test. How many words did he spell correctly?

Fill in the Blanks

What is 80% of 120?

Fill in the Blanks

What is 120% of 75?

Fill in the Blanks

What is 20% of 240?

Fill in the Blanks

What is 50% of 88?

Speed and Pace Unit Rates

Multiple Choice

The imposter runs 50 meters in 10 seconds. What is her speed per second?

• 500 m per s

• 5 m per s

• 20 m per s

• 2 m per s

Fill in the Blanks

The imposter runs 3 meters per second for 10 seconds. How many meters does he run?

Fill in the Blanks

Orcas swim 35 miles per hour. An orca family swam 105 miles out to sea. How many hours did it take?

Multiple Choice

Santa's sleigh flies 800 kilometers per hour. How long does it take for him to go 400 kilometers between West Jordan and St. George?

• 1/4 and hour

• 2 hours

• 1/2 hour

• 4 hours

Walmart has a sale on corn. 3 cans for $2.

How much does 1 can cost?

Walmart has a sale on corn. 3 cans for $2.

How many partial cans can you get for $1.00?

Multiple Choice

Matt Stonie ate 4 quarts of ice cream in 5 minutes. How many quarts per minute did he eat?

• 1.25

• 0.8

• 5/4

• 4

Multiple Choice

Matt Stonie ate 4 quarts of ice cream in 5 minutes. How many minutes did it take to eat 1 quart?

• 1.25 minutes

• 0.8 minutes

• 20 minutes

Multiple Choice

Matt Stonie ate 4 quarts of ice cream in 5 minutes. At this rate how long will it take to eat 10 quarts?

• 10 minutes

• 12.5 minutes

• 8 minutes

Multiple Choice

The crew member did 4 tasks in 2 minutes. How many tasks per minute?

• 1/2 a task

• 1 task

• 2 tasks

• 4 tasks

Multiple Choice

The crew member did 4 tasks in 2 minutes. How many minutes per tasks?

• 1/2 a minute

• 1 minute

• 2 minutes

• 4 minutes

Multiple Choice

The crew member did 4 tasks in 2 minutes. At this rate, how many tasks will get done in 6 minutes?

• 4 tasks

• 8 tasks

• 10 tasks

• 12 tasks

Multiple Choice

Which is the better deal?

4 for $5

3 for $4

• 4 for $5

• 3 for $4

• They are the same.

Multiple Choice

Which is the better deal?

7 for $4.55

5 for $3.00

• 7 for $4.55

• 5 for $3.00

• They are the same.

Multiple Choice

Which is the better deal?

3 for $1.80

7 for $4.20

• 3 for $1.80

• 7 for $4.20

• They are the same.

Fill in the Blanks

Buddy is making snowballs and tracking his progress on the chart. Assuming he keeps this pace, what is his speed per minute?

snowballs per minute.

Multiple Choice

Which weighs more, a 20 pound child or a 10 kilogram bag of potatoes? (2.2 pounds = 1 kilogram)

• potatoes

• child

Multiple Choice

Which weighs more, a 15 pound dog or a 6 kilogram bag of dog food? (2.2 pounds = 1 kilogram)

• bag of dog food

• dog

Fill in the Blanks

Mario is driving 55 miles per hour. How fast is that in kilometers per hour? Note: 5 miles is approximately equal to 8 km.

---------- kilometers per hour

Fill in the Blanks

Baby Peach is driving 96 kilometers per hour. How fast is that in miles per hour? Note: 5 miles is approximately equal to 8 km.

---------- miles per hour