Percent of a Number

Percent of a number (5%, 10%, 15%, 20%, 25%)

By Erika Miller

Multiple Choice

In math, what does the word "of" mean

• Add

• Multiply

• Subtract

• Divide

​Review:

10% of a number

Multiple Choice

10% of 40

• 4

• 14

• .4

• 40

Multiple Choice

10% of 70

• 0.7

• 17

• 7

• 70

Multiple Choice

10% of 15

• 1.5
• 1.56
• 2.5

Multiple Choice

10% of 56.7

• 0.567

• 5.67

• 567

• 58

In the next set of questions, you are going to use the pattern idea in the video to find 5%, 10%, 15%, 20% and 25% of a number.

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If you want a 10 frame paper to work on, ask for one.​

Multiple Choice

5% of 20

(Hint: think 10% first, then half)

• 10

• 5

• 2

• 1

Multiple Choice

10% of 20

• 2

• 20

• 0.2

Multiple Choice

15% of 20

(Hint: think 10% of 20 + 5% of 20)

• 10

• 5

• 2

• 3

Multiple Choice

20% of 20

(Hint: think 10% of 20 x 2)

• 10

• 5

• 2

• 4

Multiple Choice

25% of 20

(Hint: think 10% of 20 x 2 + 5% of 20)

• 10

• 5

• 2

• 1

Multiple Choice

5% of 80

(Hint: think 10% first, then half)

• 4

• 8

• 40

• 10

Multiple Choice

10% of 80

• 8

• 80
• 0.8

• 8.8

Multiple Choice

15% of 80

(Hint: think 10% + 5%)

• 12

• 80
• 8

• 4

Multiple Choice

20% of 80

(Hint: think 10% x 2)

• 16

• 80
• 8

• 4

Multiple Choice

25% of 80

(Hint: think 10% x 2 + 5%)

• 20
• 80
• 48
• 95

In the next set of questions, you are going to use the pattern idea in the video to find

15% of a number

By finding 10% + 5%,

​​

Multiple Choice

15% of 50?

• 7.5

• 75

• 5

• 2.5

Multiple Choice

What is 15% of 45?

• 6.75

• 6.00

• 16.50

Multiple Choice

What is 15% of 82?

• 12.3
• 8.2

• 4.1

Multiple Choice

Kimberly's family has a dinner bill of $26 and wants to leave a 15% tip for their server. How much tip are they leaving?

• 29.90
• 39.00
• 4.00
• 3.90

Multiple Choice

Tips are __________ to the price

• subtracted
• added
• multiplied
• divided

Multiple Choice

Angela spent $30.00 at a restaurant.  If she leaves a 15% tip, how much will her TOTAL BILL be? 

• 30.00
• 45.25
• $ 34.50
• 35.65