Lesson: Benchmark Percentages

Math Response

What is 50% of 20?

Type answer here

Correct Answer: 10

Deg^°

Rad

Drag and Drop

Devin spent 50% of his 30 minutes of recess playing football.



Devin spent ​

Placeholder

minutes playing football.

Drag these tiles and drop them in the correct blank above

15

3

20

30

12

​Benchmark Percentages

​All percentages that are Multiples of 25 can be modeled with fourths.

Divide the whole by 4, then multiply if needed.

Labelling

Label the following tape diagram to represent peercentages that are multiples of 25.

Drag labels to their correct position on the image

100%

50%

20%

75%

90%

70%

60%

25%

Math Response

What is 25% of 12?

Type answer here

Correct Answer: 3

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Math Response

What is 75% of 44?

Type answer here

Correct Answer: 33

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Multiple Choice

Part 1:

Chanel has 84 cookies. She wants to give 25% to her friend Miguel. How many cookies will Miguel receive?

• 21

• 63

• 84

• 20

Multiple Choice

Part 2:

Chanel has 84 cookies. She gives 25% to her friend Miguel, 50% to the homeless and eats the rest herself.

How many cookies will Chanel eat herself?

• 21

• 63

• 84

• 20

​Benchmark Percentages

​All percentages that are Multiples of 20 can be modeled with fifths.

Divide the whole by 5, then multiply if needed.

Labelling

Label the following tape diagram to represent peercentages that are multiples of 25.

Drag labels to their correct position on the image

60%

100%

70%

90%

40%

75%

10%

25%

80%

20%

Math Response

What is 80% of 90?

Type answer here

Correct Answer: 72

Deg^°

Rad

Fill in the Blank

______ is 20% of 175.

Multiple Choice

Of the 50 students in the SAS choir, 40% are in the 2nd or 3rd grade.

How many 2nd or 3rd graders are in the SAS choir.

• 20 students

• 40 students

• 10 students

• 15 students

• 30 students

Drag and Drop

St. Alphonsus School has 125 peices of candy for Halloween Fest. Of the 125 peices, 60% are chocolate.



​

Placeholder

peices of candy are chocolate. ​

Placeholder

peices are not chocolate.

Drag these tiles and drop them in the correct blank above

75

25

100

125

30

70

50

​Benchmark Percentages

​All percentages that are Multiples of 10 can be modeled with tenths.

Divide the whole by 10, then multiply if needed.

Categorize

Options (11)

10

20

50

70

90

30

25

75

35

66

79

Categorize the following numbers based on whether they are multiples of 10.

Multiples of 10

Not Multiples of 10

Multiple Choice

Calculate 10% of 80

• 5
• 7
• 8
• 10

Math Response

Calculate 30% of 80

Type answer here

Correct Answer: 24

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Math Response

10% of a pack of 40 skittles are green.

How many skittles are not green?

Type answer here

Correct Answer: 36

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Multiple Choice

150 children attended a party. 40% of the children had an ice cream.

How many children ate icre cream?

• 60

• 70

• 80

• 90

​Benchmark Percentages

Drag and Drop

​

Placeholder

is 5% of 200?

Drag these tiles and drop them in the correct blank above

20

4

5

10

190

Multiple Choice

What is 12% of 40?

• 4.2
• 4
• 4.8
• 5

Multiple Choice

CHALLENGE:

What is 150% of $20? 

• $20
• $30
• $40
• $150

Math Response

CHALLENGE:

What is 140% of 25? 

Type answer here

Correct Answer: 35

Deg^°

Rad