7th Grade Unit 4 Review

Tax / Tip

100

Jose bought a $15 shirt with a tax of 6%. What is the tax amount in dollars?

$0.90

200

Rod wants to leave a 20% tip on a $55 bill. How much is the tip?

$11 tip

300

Lea bough a baseball bat priced at $110 with a tax of 6.5%. What is her total after the tax?

$117.15

400

What is the percent of tip for a $50 meal if you only tip $5? 

10% Tip

500

A sweater originally cost $37, but cost $39.96 after tax was added on. What percent was the tax?

8% Tax

Discounts

100

James has a 25% off coupon for a $30 jacket. What is his discount in dollars?

$7.50

200

Mo bought a $990 computer and had a 30% off employee discount. What is his total after the discount? 

$693

300

Rayaan bought a dress for $65 that was on sale for 15% off. What was the sale price of the dress?

$55.25

400

What is the final price of an item that costs $85.50 after using a 20% off coupon? 

$68.40

500

Xue bought a new game for $68, but it was on sale for $40.80. What was the percent discount of the game?

40% Discount

Percent Increase/ Decrease

100

Find the Percent Change. State whether it is a percent increase or decrease. 

OG: 7

NEW: 3

57% Decrease

200

Find the Percent Change. State whether it is a percent increase or decrease. 

OG: 901

NEW: 1782

97% Increase

300

Find the Percent Change. State whether it is a percent increase or decrease. 

OG: 578

NEW: 482

16% Decrease 

400

Tanya successfully grew 28 flowers last summer. This summer she successfully grew 45 flowers. 

What is the percent change? 

Is it an increase or a decrease?

61% Increase

500

706 items were purchased at the flea market on Monday. 748 items were purchased on Tuesday. 

What is the percent change from Monday to Tuesday?

Is it an increase or a decrease?

5% Increase

Percent Error

100

What is the percent error?

Estimated: 18

Actual: 16

12.5% Error

200

What is the percent error?

Estimated: 5

Actual: 4

25% Error

300

Eva's math class had actually had 20 students in it and she had estimated that there were only 25. What is her percent error?

20% Error

400

Raquel estimated that she would spend $100 on groceries this week. She ended up only spending $94. What is her percent error?

6.4% Error

500

Sam thinks his drink will cost $4.25, but it actually costs only $4. What is his percent error? 

6.25% Error

Random

100

Percent increase and decrease compare the new amount to the __________ amount.

Original

200

Percent error compares the _________ amount to the __________ amount.

Estimated 

Actual

300

When finding the tip and the tax, what order do you calculate the values in?

Tax First --> Tip Second

400

When finding the discount and the tax, what order do you calculate the values in?

Discount First --> Tax Second

500

Both A and B have the same unit price. How much would I pay for 24 cookies?

A: $1.25 for 4 

B: $x for 24

$7.50 for 24 cookies