GRADE 5 • MODULE 3

A STORY OF UNITS

5

GRADE

Mathematics Curriculum

GRADE 5 ? MODULE 3

Answer Key

GRADE 5 ? MODULE 3

Addition and Subtraction of Fractions

Module 3:

? 2014 Common Core, Inc. All rights reserved.

Addition and Subtraction of Fractions

Lesson 1 Answer Key 5?3

A STORY OF UNITS

Lesson 1

Sprint

Side A

1.

2

12. 2

23. 4

34. 7

2.

5

13. 2

24. 7

35. 4

3.

2

14. 2

25. 7

36. 8

4.

3

15. 2

26. 7

37. 4

5.

3

16. 3

27. 4

38. 7

6.

2

17. 3

28. 4

39. 8

7.

2

18. 3

29. 6

40. 4

8.

4

19. 4

30. 6

41. 9

9.

3

20. 4

31. 6

42. 9

10. 3

21. 3

32. 9

43. 9

11. 2

22. 3

33. 8

44. 3

Side B

1.

3

12. 3

23. 7

34. 6

2.

2

13. 2

24. 7

35. 3

3.

3

14. 3

25. 7

36. 4

4.

2

15. 3

26. 7

37. 9

5.

2

16. 3

27. 9

38. 8

6.

5

17. 4

28. 9

39. 9

7.

2

18. 4

29. 6

40. 12

8.

2

19. 2

30. 6

41. 8

9.

2

20. 2

31. 6

42. 9

10. 4

21. 4

32. 8

43. 12

11. 3

22. 4

33. 9

44. 4

Module 3:

? 2014 Common Core, Inc. All rights reserved.

Addition and Subtraction of Fractions

1

Lesson 1 Answer Key 5?3

A STORY OF UNITS

Problem Set

1.

Number line marked 0 and 1 on top and , , on the bottom; shaded; shaded,

shaded,

2.

;

3.

shaded,

;

; shaded,

shaded,

Number line marked 0 and 1 on top and , , , , , on the bottom; shaded,

shaded,

4.

shaded,

Number line marked 0 and 1 on top and , , , , on the bottom; shaded,

;

;

;

shaded,

;

;

shaded,

Number line marked 0 and 1 on top and , , , , , , , on the bottom; examples may vary.

Exit Ticket

Number line marked 0 and 1 on top and , , , , , , on the bottom;

;

shaded;

shaded,

shaded,

Homework

1.

Number line marked 0 and 1 on top and , , , on the bottom; shaded; shaded,

shaded,

2.

;

3.

shaded,

;

;

shaded,

;

shaded,

shaded,

Number line marked 0 and 1 on top and , , , , , , on the bottom;

shaded,

4.

shaded,

Number line marked 0 and 1 on top and , , , , on the bottom; shaded,

;

;

;

shaded,

;

shaded,

Number line marked 0 and 1 on top and , , , , , , , , , on the bottom; examples may vary.

Module 3:

? 2014 Common Core, Inc. All rights reserved.

Addition and Subtraction of Fractions

2

Lesson 2 Answer Key 5?3

A STORY OF UNITS

Lesson 2

Sprint

Side A

1.

2

12. 12

23. 4

24. 8

34. 40

35. 54

2.

10

13. 12

3.

4

14. 1

25. 2

26. 4

36. 5

37. 56

4.

6

15. 3

5.

8

16. 5

27. 15

28. 35

38. 4

39. 7

6.

6

17. 2

7.

4

18. 4

29. 4

30. 4

40. 9

41. 72

8.

9

19. 1

9.

6

20. 2

21. 4

31. 42

32. 8

42. 84

43. 5

10. 2

11. 6

22. 3

33. 9

44. 6

23. 12

24. 12

34. 8

35. 45

25. 3

26. 3

36. 9

37. 48

27. 25

28. 28

38. 9

39. 1

40. 5

41. 12

Side B

1.

10

12. 3

2.

4

13. 9

3.

6

14. 2

4.

8

15. 1

5.

4

16. 1

6.

2

17. 5

7.

6

18. 5

8.

3

19. 3

29. 3

30. 5

9.

9

20. 3

31. 35

42. 36

10. 8

11. 8

21. 3

32. 9

33. 8

43. 4

44. 7

22. 4

Module 3:

? 2014 Common Core, Inc. All rights reserved.

Addition and Subtraction of Fractions

1

Lesson 2 Answer Key 5?3

A STORY OF UNITS

Problem Set

1.

2.

a.

; number line drawn

b.

; number line drawn

a.

3.

b.

c.

c.

; number line drawn

d.

d.

; number line drawn

a. Answers will vary, number line drawn

yd or

4.

yd; number line drawn

b. Answers will vary.

c. Answers will vary.

d. Answers will vary.

Exit Ticket

1.

2.

a.

; number line drawn

b.

; number line drawn

a. Answers will vary.

b. Answers will vary; number line drawn

Homework

1.

2.

a.

; number line drawn

b.

; number line drawn

3.

a.

b.

c.

c.

d.

d.

a. Answers will vary; number line drawn

4.

; number line drawn

or

or

number line drawn

number line drawn

b. Answers will vary.

c. Answers will vary.

d. Answers will vary.

Module 3:

? 2014 Common Core, Inc. All rights reserved.

Addition and Subtraction of Fractions

2

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