## Engage NY Eureka Math 4th Grade Module 3 Lesson 27 Answer Key

### Eureka Math Grade 4 Module 3 Lesson 27 Sprint Answer Key

Circle the Prime Number

Answer:

Question 1.

4 3

Answer:

3 is prime, So circled it,

Explanation:

Given 4, 3 as 3 has 2 factors: 1 and 3 itself

so circled it as prime and 4 has more than 2 factors.

Question 2.

6 3

Answer:

3 is prime, So circled it,

Explanation:

Given 6, 3 as 3 has 2 factors: 1 and 3 itself

so circled it as prime and 6 has more than 2 factors.

Question 3.

8 3

Answer:

3 is prime, So circled it,

Explanation:

Given 8, 3 as 3 has 2 factors: 1 and 3 itself

so circled it as prime and 4 has more than 2 factors.

Question 4.

5 10

Answer:

5 is prime, So circled it,

Explanation:

Given 5, 10 as 5 has 2 factors: 1 and 5 itself

so circled it as prime and 10 has more than 2 factors.

Question 5.

5 12

Answer:

5 is prime, So circled it,

Explanation:

Given 5, 12 as 5 has 2 factors: 1 and 5 itself

so circled it as prime and 12 has more than 2 factors.

Question 6.

5 14

Answer:

5 is prime, So circled it,

Explanation:

Given 5, 14 as 5 has 2 factors: 1 and 5 itself

so circled it as prime and 14 has more than 2 factors.

Question 7.

8 7

Answer:

7 is prime, So circled it,

Explanation:

Given 8, 7 as 7 has 2 factors: 1 and 7 itself

so circled it as prime and 8 has more than 2 factors.

Question 8.

9 11

Answer:

11 is prime, So circled it,

Explanation:

Given 9, 11 as 11 has 2 factors: 1 and 11 itself

so circled it as prime and 9 has more than 2 factors.

Question 9.

11 15

Answer:

11 is prime, So circled it,

Explanation:

Given 11, 15 as 11 has 2 factors: 1 and 11 itself

so circled it as prime and 15 has more than 2 factors.

Question 10.

15 17

Answer:

17 is prime, So circled it,

Explanation:

Given 15, 17 as 17 has 2 factors: 1 and 17 itself

so circled it as prime and 15 has more than 2 factors.

Question 11.

19 16

Answer:

19 is prime, So circled it,

Explanation:

Given 19, 16 as 19 has 2 factors: 1 and 19 itself

so circled it as prime and 19 has more than 2 factors.

Question 12.

14 11

Answer:

11 is prime, So circled it,

Explanation:

Given 14, 11 as 11 has 2 factors: 1 and 11 itself

so circled it as prime and 14 has more than 2 factors.

Question 13.

13 12

Answer:

13 is prime, So circled it,

Explanation:

Given 13, 12 as 13 has 2 factors: 1 and 13 itself

so circled it as prime and 12 has more than 2 factors.

Question 14.

18 17

Answer:

17 is prime, So circled it,

Explanation:

Given 18, 17 as 17 has 2 factors: 1 and 17 itself

so circled it as prime and 18 has more than 2 factors.

Question 15.

19 20

Answer:

19 is prime, So circled it,

Explanation:

Given 19, 20 as 19 has 2 factors: 1 and 19 itself

so circled it as prime and 20 has more than 2 factors.

Question 16.

21 23

Answer:

23 is prime, So circled it,

Explanation:

Given 21, 23 as 23 has 2 factors: 1 and 23 itself

so circled it as prime and 21 has more than 2 factors.

Question 17.

25 19

Answer:

19 is prime, So circled it,

Explanation:

Given 25, 19 as 19 has 2 factors: 1 and 19 itself

so circled it as prime and 25 has more than 2 factors.

Question 18.

29 27

Answer:

29 is prime, So circled it,

Explanation:

Given 29, 27 as 29 has 2 factors: 1 and 29 itself

so circled it as prime and 27 has more than 2 factors.

Question 19.

31 30

Answer:

31 is prime, So circled it,

Explanation:

Given 31, 30 as 31 has 2 factors: 1 and 31 itself

so circled it as prime and 30 has more than 2 factors.

Question 20.

33 37

Answer:

37 is prime, So circled it,

Explanation:

Given 33, 37 as 37 has 2 factors: 1 and 37 itself

so circled it as prime and 33 has more than 2 factors.

Question 21.

9 2

Answer:

2 is prime, So circled it,

Explanation:

Given 9, 2 as 2 has 2 factors: 1 and 2 itself

so circled it as prime and 9 has more than 2 factors.

Question 22.

51 2

Answer:

2 is prime, So circled it,

Explanation:

Given 51, 2 as 2 has 2 factors: 1 and 2 itself

so circled it as prime and 51 has more than 2 factors.

Question 23.

40 41 42

Answer:

41 is prime, So circled it,

Explanation:

Given 40, 41, 42 as 41 has 2 factors: 1 and 41 itself

so circled it as prime and 40, 42 has more than 2 factors.

Question 24.

42 43 44

Answer:

43 is prime, So circled it,

Explanation:

Given 42, 43, 44 as 43 has 2 factors: 1 and 43 itself

so circled it as prime and 42, 44 has more than 2 factors.

Question 25.

49 47 45

Answer:

47 is prime, So circled it,

Explanation:

Given 49, 47, 45 as 47 has 2 factors: 1 and 47 itself

so circled it as prime and 49, 45 has more than 2 factors.

Question 26.

53 50 55

Answer:

53 is prime, So circled it,

Explanation:

Given 53, 50, 55 as 53 has 2 factors: 1 and 53 itself

so circled it as prime and 50, 55 has more than 2 factors.

Question 27.

54 56 59

Answer:

59 is prime, So circled it,

Explanation:

Given 54, 56, 59 as 59 has 2 factors: 1 and 59 itself

so circled it as prime and 54, 56 has more than 2 factors.

Question 28.

99 97 95

Answer:

97 is prime, So circled it,

Explanation:

Given 99, 97, 95 as 97 has 2 factors: 1 and 97 itself

so circled it as prime and 99, 95 has more than 2 factors.

Question 29.

90 92 91

Answer:

91 is prime, So circled it,

Explanation:

Given 90, 92, 91 as 91 has 2 factors: 1 and 91 itself

so circled it as prime and 90, 92 has more than 2 factors.

Question 30.

95 96 97

Answer:

97 is prime, So circled it,

Explanation:

Given 95, 96, 97 as 97 has 2 factors: 1 and 97 itself

so circled it as prime and 95, 96 has more than 2 factors.

Question 31.

88 89 90

Answer:

89 is prime, So circled it,

Explanation:

Given 88, 89, 90 as 89 has 2 factors: 1 and 89 itself

so circled it as prime and 88, 90 has more than 2 factors.

Question 32.

60 61 62

Answer:

61 is prime, So circled it,

Explanation:

Given 60, 61, 62 as 61 has 2 factors: 1 and 61 itself

so circled it as prime and 60, 62 has more than 2 factors.

Question 33.

63 65 67

Answer:

67 is prime, So circled it,

Explanation:

Given 63, 65, 67 as 67 has 2 factors: 1 and 67 itself

so circled it as prime and 63, 65 has more than 2 factors.

Question 34.

71 70 69

Answer:

71 is prime, So circled it,

Explanation:

Given 71, 70, 69 as 71 has 2 factors: 1 and 71 itself

so circled it as prime and 70, 69 has more than 2 factors.

Question 35.

73 75 77

Answer:

73 is prime, So circled it,

Explanation:

Given 73, 75, 77 as 73 has 2 factors: 1 and 73 itself

so circled it as prime and 75, 77 has more than 2 factors.

Question 36.

49 79 99

Answer:

79 is prime, So circled it,

Explanation:

Given 49, 79, 99 as 79 has 2 factors: 1 and 79 itself

so circled it as prime and 49, 99 has more than 2 factors.

Question 37.

63 93 83

Answer:

83 is prime, So circled it,

Explanation:

Given 63, 93, 83 as 83 has 2 factors: 1 and 83 itself

so circled it as prime and 63, 93 has more than 2 factors.

Question 38.

22 2 12

Answer:

2 is prime, So circled it,

Explanation:

Given 22, 2, 12 as 2 has 2 factors: 1 and 2 itself

so circled it as prime and 22, 12 has more than 2 factors.

Question 39.

17 27 57

Answer:

17 is prime, So circled it,

Explanation:

Given 17, 27, 57 as 17 has 2 factors: 1 and 17 itself

so circled it as prime and 27, 57 has more than 2 factors.

Question 40.

5 15 25

Answer:

5 is prime, So circled it,

Explanation:

Given 5, 15, 25 as 5 has 2 factors: 1 and 5 itself

so circled it as prime and 15, 25 has more than 2 factors.

Question 41.

39 49 59

Answer:

59 is prime, So circled it,

Explanation:

Given 39, 49, 59 as 59 has 2 factors: 1 and 59 itself

so circled it as prime and 39, 49 has more than 2 factors.

Question 42.

1 21 31

Answer:

31 is prime, So circled it,

Explanation:

Given 1, 21, 31 as 31 has 2 factors: 1 and 31 itself

so circled it as prime and 1, 21 has more than 2 factors.

Question 43.

51 57 2

Answer:

2 is prime, So circled it,

Explanation:

Given 51, 57, 2 as 2 has 2 factors: 1 and 2 itself

so circled it as prime and 51, 57 has more than 2 factors.

Question 44.

84 95 43

Answer:

43 is prime, So circled it,

Explanation:

Given 84, 95, 43 as 43 has 2 factors: 1 and 43 itself

so circled it as prime and 84, 95 has more than 2 factors.

Circle the Prime Number

Answer:

Question 1.

4 5

Answer:

5 is prime, So circled it,

Explanation:

Given 4, 5 as 5 has 2 factors: 1 and 5 itself

so circled it as prime and 4 has more than 2 factors.

Question 2.

6 5

Answer:

5 is prime, So circled it,

Explanation:

Given 6, 5 as 5 has 2 factors: 1 and 5 itself

so circled it as prime and 6 has more than 2 factors.

Question 3.

8 5

Answer:

5 is prime, So circled it,

Explanation:

Given 8, 5 as 5 has 2 factors: 1 and 5 itself

so circled it as prime and 8 has more than 2 factors.

Question 4.

7 10

Answer:

7 is prime, So circled it,

Explanation:

Given 7, 10 as 7 has 2 factors: 1 and 7 itself

so circled it as prime and 10 has more than 2 factors.

Question 5.

7 12

Answer:

7 is prime, So circled it,

Explanation:

Given 7, 12 as 7 has 2 factors: 1 and 7 itself

so circled it as prime and 12 has more than 2 factors.

Question 6.

7 14

Answer:

7 is prime, So circled it,

Explanation:

Given 7, 14 as 7 has 2 factors: 1 and 7 itself

so circled it as prime and 14 has more than 2 factors.

Question 7.

4 3

Answer:

3 is prime, So circled it,

Explanation:

Given 4, 3 as 3 has 2 factors: 1 and 3 itself

so circled it as prime and 4 has more than 2 factors.

Question 8.

11 10

Answer:

11 is prime, So circled it,

Explanation:

Given 11, 10 as 11 has 2 factors: 1 and 11 itself

so circled it as prime and 10 has more than 2 factors.

Question 9.

15 11

Answer:

11 is prime, So circled it,

Explanation:

Given 15, 11 as 11 has 2 factors: 1 and 11 itself

so circled it as prime and 15 has more than 2 factors.

Question 10.

17 15

Answer:

17 is prime, So circled it,

Explanation:

Given 17, 15 as 17 has 2 factors: 1 and 17 itself

so circled it as prime and 15 has more than 2 factors.

Question 11.

19 20

Answer:

19 is prime, So circled it,

Explanation:

Given 19, 20 as 19 has 2 factors: 1 and 19 itself

so circled it as prime and 20 has more than 2 factors.

Question 12.

14 13

Answer:

13 is prime, So circled it,

Explanation:

Given 14, 13 as 13 has 2 factors: 1 and 13 itself

so circled it as prime and 14 has more than 2 factors.

Question 13.

11 12

Answer:

11 is prime, So circled it,

Explanation:

Given 11, 12 as 11 has 2 factors: 1 and 11 itself

so circled it as prime and 12 has more than 2 factors.

Question 14.

16 17

Answer:

17 is prime, So circled it,

Explanation:

Given 16, 17 as 17 has 2 factors: 1 and 17 itself

so circled it as prime and 16 has more than 2 factors.

Question 15.

19 18

Answer:

19 is prime, So circled it,

Explanation:

Given 19, 18 as 19 has 2 factors: 1 and 19 itself

so circled it as prime and 19 has more than 2 factors.

Question 16.

22 23

Answer:

23 is prime, So circled it,

Explanation:

Given 22, 23 as 5 has 2 factors: 1 and 23 itself

so circled it as prime and 22 has more than 2 factors.

Question 17.

21 19

Answer:

19 is prime, So circled it,

Explanation:

Given 21, 19 as 19 has 2 factors: 1 and 19 itself

so circled it as prime and 21 has more than 2 factors.

Question 18.

29 28

Answer:

29 is prime, So circled it,

Explanation:

Given 29, 28 as 29 has 2 factors: 1 and 29 itself

so circled it as prime and 29 has more than 2 factors.

Question 19.

31 33

Answer:

31 is prime, So circled it,

Explanation:

Given 31, 33 as 31 has 2 factors: 1 and 31 itself

so circled it as prime and 33 has more than 2 factors.

Question 20.

35 37

Answer:

37 is prime, So circled it,

Explanation:

Given 35, 37 as 37 has 2 factors: 1 and 37 itself

so circled it as prime and 35 has more than 2 factors.

Question 21.

2 9

Answer:

2 is prime, So circled it,

Explanation:

Given 2, 9 as 2 has 2 factors: 1 and 2 itself

so circled it as prime and 9 has more than 2 factors.

Question 22.

57 2

Answer:

2 is prime, So circled it,

Explanation:

Given 57, 2 as 2 has 2 factors: 1 and 2 itself

so circled it as prime and 57 has more than 2 factors.

Question 23.

42 41 40

Answer:

41 is prime, So circled it,

Explanation:

Given 42, 41, 40 as 41 has 2 factors: 1 and 41 itself

so circled it as prime and 42, 40 has more than 2 factors.

Question 24.

44 43 42

Answer:

43 is prime, So circled it,

Explanation:

Given 44, 43, 42 as 43 has 2 factors: 1 and 43 itself

so circled it as prime and 44, 42 has more than 2 factors.

Question 25.

45 47 49

Answer:

47 is prime, So circled it,

Explanation:

Given 45, 47, 49 as 47 has 2 factors: 1 and 47 itself

so circled it as prime and 45, 49 has more than 2 factors.

Question 26.

53 55 50

Answer:

53 is prime, So circled it,

Explanation:

Given 53, 55, 50 as 53 has 2 factors: 1 and 53 itself

so circled it as prime and 55, 50 has more than 2 factors.

Question 27.

56 54 59

Answer:

59 is prime, So circled it,

Explanation:

Given 56, 54, 59 as 59 has 2 factors: 1 and 59 itself

so circled it as prime and 56, 54 has more than 2 factors.

Question 28.

95 97 99

Answer:

97 is prime, So circled it,

Explanation:

Given 95, 97, 99 as 97 has 2 factors: 1 and 97 itself

so circled it as prime and 95, 99 has more than 2 factors.

Question 29.

90 91 92

Answer:

91 is prime, So circled it,

Explanation:

Given 90, 91, 92 as 91 has 2 factors: 1 and 91 itself

so circled it as prime and 90, 92 has more than 2 factors.

Question 30.

99 98 97

Answer:

97 is prime, So circled it,

Explanation:

Given 99, 98, 97 as 97 has 2 factors: 1 and 97 itself

so circled it as prime and 99, 98 has more than 2 factors.

Question 31.

90 89 88

Answer:

89 is prime, So circled it,

Explanation:

Given 90, 89, 88 as 89 has 2 factors: 1 and 89 itself

so circled it as prime and 90, 88 has more than 2 factors.

Question 32.

67 65 63

Answer:

67 is prime, So circled it,

Explanation:

Given 67, 65, 63 as 67 has 2 factors: 1 and 67 itself

so circled it as prime and 65, 63 has more than 2 factors.

Question 33.

62 61 60

Answer:

61 is prime, So circled it,

Explanation:

Given 62, 61, 60 as 61 has 2 factors: 1 and 61 itself

so circled it as prime and 62, 60 has more than 2 factors.

Question 34.

72 71 70

Answer:

71 is prime, So circled it,

Explanation:

Given 72, 71, 70 as 71 has 2 factors: 1 and 71 itself

so circled it as prime and 72, 70 has more than 2 factors.

Question 35.

77 75 73

Answer:

73 is prime, So circled it,

Explanation:

Given 77, 75, 73 as 73 has 2 factors: 1 and 73 itself

so circled it as prime and 77, 75 has more than 2 factors.

Question 36.

27 67 77

Answer:

67 is prime, So circled it,

Explanation:

Given 27, 67, 77 as 67 has 2 factors: 1 and 67 itself

so circled it as prime and 27, 77 has more than 2 factors.

Question 37.

39 49 59

Answer:

59 is prime, So circled it,

Explanation:

Given 39, 49, 59 as 59 has 2 factors: 1 and 59 itself

so circled it as prime and 39, 49 has more than 2 factors.

Question 38.

32 2 22

Answer:

2 is prime, So circled it,

Explanation:

Given 32, 2, 22 as 2 has 2 factors: 1 and 2 itself

so circled it as prime and 32, 22 has more than 2 factors.

Question 39.

19 49 69

Answer:

19 is prime, So circled it,

Explanation:

Given 19, 49, 69 as 19 has 2 factors: 1 and 19 itself

so circled it as prime and 49, 69 has more than 2 factors.

Question 40.

5 15 55

Answer:

5 is prime, So circled it,

Explanation:

Given 5, 15, 55 as 5 has 2 factors: 1 and 5 itself

so circled it as prime and 15, 55 has more than 2 factors.

Question 41.

99 49 59

Answer:

59 is prime, So circled it,

Explanation:

Given 99, 49, 59 as 59 has 2 factors: 1 and 59 itself

so circled it as prime and 99, 49 has more than 2 factors.

Question 42.

1 21 41

Answer:

41 is prime, So circled it,

Explanation:

Given 1, 21, 41 as 41 has 2 factors: 1 and 41 itself

so circled it as prime and 21 has more than 2 factors.

Question 43.

45 51 2

Answer:

2 is prime, So circled it,

Explanation:

Given 45, 51, 2 as 2 has 2 factors: 1 and 2 itself

so circled it as prime and 45, 51 has more than 2 factors.

Question 44.

48 85 67

Answer:

67 is prime, So circled it,

Explanation:

Given 48, 85, 67 as 67 has 2 factors: 1 and 67 itself

so circled it as prime and 48, 85 has more than 2 factors.

### Eureka Math Grade 4 Module 3 Lesson 27 Problem Set Answer Key

Question 1.

Divide. Use place value disks to model each problem.

a. 324 ÷ 2

Answer:

Explanation:

Divided 324 ÷ 2 = 162 using place value disks as shown above.

b. 344 ÷ 2

Answer:

Explanation:

Divided 344 ÷ 2 = 172 using place value disks as shown above.

c. 483 ÷ 3

Answer:

Explanation:

Divided 483 ÷ 3 = 161 using place value disks as shown above.

d. 549 ÷ 3

Answer:

Explanation:

Divided 549 ÷ 3 = 183 using place value disks as shown above.

Question 2.

Model using place value disks and record using the algorithm.

a. 655 ÷ 5

Disks Algorithm

Answer:

Explanation:

Modeled using place value disks and recorded using

the algorithm as shown 655 ÷ 5 = 131.

b. 726÷ 3

Disks Algorithm

Answer:

Explanation:

Modeled using place value disks and recorded using

the algorithm as shown 726 ÷ 3 = 242.

c. 688 ÷ 4

Disks Algorithm

Answer:

Explanation:

Modeled using place value disks and recorded using

the algorithm as shown 688 ÷ 4 = 172.

### Eureka Math Grade 4 Module 3 Lesson 27 Exit Ticket Answer Key

Divide. Use place value disks to model each problem.

Then, solve using the algorithm.

Question 1.

423 ÷ 3

Disks Algorithm

Answer:

Explanation:

Divided using place value disks to model each problem.

Then, solved using the algorithm for 423 ÷ 3 = 141.

Question 2.

564 ÷ 4

Disks Algorithm

Answer:

Explanation:

Divided using place value disks to model each problem.

Then, solved using the algorithm for 564 ÷ 4 = 141.

### Eureka Math Grade 4 Module 3 Lesson 27 Homework Answer Key

Question 1.

Divide. Use place value disks to model each problem.

a. 346 ÷ 2

Answer:

Explanation:

Divided 346 ÷ 2 = 173 using place value disks as shown above.

b. 528 ÷ 2

Answer:

Explanation:

Divided 528 ÷ 2 = 264 using place value disks as shown above.

c. 516 ÷ 3

Answer:

Explanation:

Divided 516 ÷ 3 = 172 using place value disks as shown above.

d. 729 ÷ 3

Answer:

Explanation:

Divided 729 ÷ 3 = 243 using place value disks as shown above.

Question 2.

Model using place value disks, and record using the algorithm.

a. 648 ÷ 4

Disks Algorithm

Answer:

Explanation:

Modeled using place value disks and recorded using the algorithm as shown 648 ÷ 4 = 162.

b. 755 ÷ 5

Disks Algorithm

Answer:

Explanation:

Modeled using place value disks and recorded using the algorithm as shown 755 ÷ 5 = 151.

c. 964 ÷ 4

Disks Algorithm

Answer:

Explanation:

Modeled using place value disks and recorded using the algorithm as shown 964 ÷ 4 = 241.