4th Grade Unit 2 Review - Estimation & Number Theory

Question 1

What is the estimated quotient of 112 divided by 10?

Accepted Answer

10

Question 2

Which of the following statements is correct?

Accepted Answer

6 is a common factor of 36 and 48

Question 3

What is the greatest common factor of 12 and 18?

Accepted Answer

6

Question 4

Find the sum of 3,567 and 9,123. Round the answer to the nearest thousand.

Accepted Answer

13,000

Question 5

Which is the closest estimate of 88 X 21?

Accepted Answer

90 X 20

Question 6

What are the common factors of 20 and 36?

Accepted Answer

1, 2, and 4

Question 7

What is the sum of the first two multiples of 5?

Accepted Answer

15

Question 8

What is the smallest composite number between 15 and 25?

Accepted Answer

16

Question 9

Which of the following statements is incorrect?

Accepted Answer

10 is a common factor of 50 and 75

Question 10

What are the common factors of 16 and 32?

Accepted Answer

1, 2, 4, 8, and 16

Question 11

What are the common factors of 12 and 18?

Accepted Answer

1, 2, 3, and 6

Question 12

Find the difference of 4,309 and 1,325. Round the difference to the nearest hundred.

Accepted Answer

3,000

Question 13

What is the greatest common factor of 20 and 36?

Accepted Answer

4

Question 14

What is the sum of the first two multiples of 9?

Accepted Answer

27

Question 15

What is the estimated quotient of 78 divided by 2?

Accepted Answer

40

Question 16

What is the fifth multiple of 9?

Accepted Answer

45

Question 17

What is 20 X 8?

Accepted Answer

160

Question 18

Find the difference of 8,944 and 5,612. Round the difference to the nearest thousand.

Accepted Answer

3,000

Question 19

Which of the following statements is correct?

Accepted Answer

5 is a common factor of 25 and 60

Question 20

What is a prime number between 20 and 25?

Accepted Answer

23

Question 21

Which of the following statements is incorrect?

Accepted Answer

4 is a common factor of 28 and 54

Question 22

Which of the following statements is incorrect?

Accepted Answer

2 is a common factor of 16 and 23

Question 23

What is the estimated quotient of 94 divided by 5?

Accepted Answer

20

Question 24

What is the sum of the first two multiples of 7?

Accepted Answer

21

Question 25

Which of the following statements is correct?

Accepted Answer

6 is a common factor of 18 and 35

Question 26

Find the sum of 6,974 and 3,265. Round the sum to the nearest hundred.

Accepted Answer

10,200

Question 27

What is the closest estimate of 54 X 67?

Accepted Answer

50 X 70

Question 28

What is 60 X 7?

Accepted Answer

420

Question 29

What is 500 X 4?

Accepted Answer

2,000

Question 30

What is the twelve multiple of 4?

Accepted Answer

48

Question 31

Find the sum of 8,230 and 3,678. Round the sum to the nearest hundred.

Accepted Answer

11,900

Question 32

What is 40 X 7?

Accepted Answer

280

Question 33

What is the eleventh multiple of 6?

Accepted Answer

66

Question 34

What is the greatest common factor of 16 and 32?

Accepted Answer

16

Question 35

What is the seventh multiple of 8?

Accepted Answer

56

Question 36

What is a prime number between 13 and 18?

Accepted Answer

17

Question 37

What is the third multiple of 9?

Accepted Answer

27

4th Grade Unit 2 Review - Estimation & Number Theory

Questions 37

4th Grade Unit 2 Review - Estimation & Number Theory

Questions 37