Five-Minute Check (over Lesson 10–9)

Main Idea

Example 1:Rename Mixed Numbers to Subtract

Example 2:Rename Mixed Numbers to Subtract

Example 3:Rename Mixed Numbers to Subtract

• I will subtract mixed numbers.

Rename Mixed Numbers to Subtract

A bag of potatoes weighs 3 pounds. A bag of

onions weighs 2 pounds. How much more do

the potatoes weigh than the onions?

15

45

You need to find 3 – 2 .15

45

Rename Mixed Numbers to Subtract

Since is less than , rename 3 before subtracting.15

45

15

315 = 2

15

55+ + or 2

65

Rename Mixed Numbers to Subtract

315

245–

265

245–

25

Rename 3 as 2 .15

65

Subtract the fractions and then the whole numbers.

Answer: So, a bag of potatoes weighs pounds

more than a bag of onions.

25

1. A

2. B

3. C

4. D0% 0%0%0%

A. 38

Find 4 – 3 .18

68

B. 1 25

D. 3 18

C. 1 38

Rename Mixed Numbers to Subtract

Find 6 – 3 . 12

23

Since is less than , rename 6 before

subtracting.

36

46

36

THINK 6 = 5 + 1 + 36

36

Rename 1 as .66= 5 + + or 5

36

66

96

Rename Mixed Numbers to Subtract

636

346–

596

346–

56

Rename 6 as 5 .36

96

Subtract the fractions and then the whole numbers.2

Answer: So, 6 – 3 = 2 .36

46

56

1. A

2. B

3. C

4. D0% 0%0%0%

B. 2 23

A. 2 56

Find 4 – 1 .13

23

D. 3 13

C. 4 43

Rename Mixed Numbers to Subtract

Bradley has 4 yards of fencing. He is making a

fence that is 3 yards long. How much fencing

material will be left?

34

Rename 4 as a mixed number before subtracting.

4 = 3 +44 or 3

44

Rename Mixed Numbers to Subtract

Rename Mixed Numbers to Subtract

4

334–

344

334–

14

Rename 4 as 3 .96

Subtract the fractions and then the whole numbers.

Answer: So, Bradley will have yard of fencing left.14

1. A

2. B

3. C

4. D0% 0%0%0%

Stacy has 7 yards of fencing. She is making a

fence that is 6 yards long. How much fencing

material will be left?

25

D. yard35

A. 6 yards 25

B. 4 yards 35

C. 1 yards 25

End of the Lesson

Five-Minute Check (over Lesson 10–9)

Image Bank

Math Tool Chest

Add Like Fractions

1. A

2. B

3. C

4. D0% 0%0%0%

(over Lesson 10–9)

Use any problem-solving strategy to solve. Jamala has nine coins in her pocket that total $1.26. What are the nine coins?

A. 2 quarters, 7 dimes

B. 3 quarters, 4 dimes, 1 nickel, 1 penny

C. 3 quarters, 4 dimes, 2 pennies

D. 3 quarters, 5 dimes, 1 penny