Free Printable Review of Ch. 3

1.

GCF of 4 and 6

a)

2

b)

3

c)

4

d)

6

2.

GCF of 10 and 12

a)

5

b)

2

c)

3

d)

6

3.

GCF of 12 and 18

a)

3

b)

4

c)

6

d)

2

4.

GCF 24 and 36

a)

8

b)

6

c)

12

d)

4

5.

GCF of 32 and 40

a)

2

b)

4

c)

6

d)

8

6.

GCF of 16 and 18

a)

4

b)

2

c)

6

d)

8

7.

GCF of 24 and 48

a)

3

b)

6

c)

12

d)

24

8.

GCF of 50 and 100

a)

10

b)

25

c)

50

d)

5

9.

GCF of 18 and 24

a)

2

b)

3

c)

4

d)

6

10.

GCF of 14 and 28

a)

2

b)

7

c)

14

d)

8

11.

What is the GCF of 20, 44, and 88?

a)

4

b)

2

c)

22

d)

1

12.

What is the GCF of 72, 96, and 84?

a)

2

b)

7

c)

12

d)

4

13.

What is the LCM of 3 and 6?

a)

3

b)

6

c)

12

d)

15

14.

What is the LCM of 4 and 12?

a)

4

b)

8

c)

12

d)

16

15.

What is the LCM of 6 and 24?

a)

3

b)

6

c)

12

d)

24

16.

What is the LCM of 7 and 8?

a)

7

b)

8

c)

42

d)

56

17.

Ap- What is the LCM of 2, 4, 6?

a)

6

b)

12

c)

4

d)

2

18.

What is the LCM?

a)

The LCM is the least common factor that both numbers share the least.

b)

The LCM is a multiple that both numbers share the most.

c)

The LCM is a multiple that both numbers share the least.

d)

The LCM is a factor that both numbers share the least.

19.

What is the LCM of 3,6,9

a)

12

b)

9

c)

36

d)

18

20.

What is the LCM of 12 and 18?

a)

18

b)

36

c)

24

d)

54

21.

What is the LCM of 9 and 15?

a)

27

b)

35

c)

40

d)

45

22.

What is the LCM of 4, 8 and 10?

a)

20

b)

80

c)

40

d)

120

23.

Which is the prime factorization of 12?

a)

2 x 6

b)

2 + 2 + 2 + 2 + 2 + 2

c)

2 x 2 x 3

d)

1 x 2 x 2 x 3

24.

Use a number tree to find the prime factorization of 72

a)

2x2x2x3x3

b)

4x3x3x2

c)

4x2x2x2x2

25.

Use a number tree to find the prime factorization of 105

a)

7x5x3

b)

11x5x3

c)

7x5x2x1

d)

7x5x3x2

26.

Is 64 divisible by 2?

a)

Yes

b)

No

27.

70 can be evenly divided by which number?

a)

5

b)

10

c)

2

d)

All of the above

28.

What is the divisibility rule for 3?

a)

Add up the digits. The sum must be even and divisible by 3.

b)

The digits must add up to 9.

c)

The last digit must be a 3.

d)

Add up the digits. The sum must be divisible by 3.

29.

252 is divisible by 9 because:

a)

The digits add up to 18.

b)

The sum of the digits is divisible by 9.

c)

It's even and the sum of the digits is divisible by 3.

d)

The sum of the digits is even.

30.

Is 95 divisible by 5?

a)

Yes

b)

No

31.

Is 81 divisible by 3?

a)

Yes

b)

No

32.

Which of these is divisible by 6?

a)

515

b)

59

c)

2086

d)

6312

33.

Which of these is divisible by 9?

a)

9629

b)

9199

c)

9963

d)

4919

34.

Which of these is divisible by 3?

a)

3131

b)

71

c)

6043

d)

804

35.

Which of these is divisible by 10?

a)

8105

b)

375

c)

460

d)

52

36.

Which of these is divisible by 6?

a)

318

b)

215

c)

7000

d)

4765

37.

Which of these id divisible by 9?

a)

1308

b)

495

c)

361

d)

842

38.

Which of these is divisible by 3?

a)

$4500

b)

$3700

c)

$5200

d)

$1000

39.

Which of these is divisible by 2?

a)

243

b)

89

c)

50808

d)

5439

40.

The number 70,110 is divisible by...

a)

2, 3, 4, 5, 6, 9, 10

b)

2, 3, 4, 5, 6, 8, 9, 10

c)

2, 3, 5, 6, 9, 10

d)

2, 3, 5, 9, 10

41.

What is the divisibility rule for 5?

a)

The digits must add up to 10.

b)

The last digit needs to be a 5 or 0.

c)

The last digit can only be a 5.

d)

The sum of the digits need to be divisible by 5.

42.

What is the divisibility rule for 4?

a)

The sum of the digits must be a multiple of 4

b)

The last two digits must form a number that is a multiple of 4

c)

The number must be divisible by 2 and 3.

d)

The number must end in 0, 2, or 4

43.

What is the divisibility rule for 10?

a)

It is divisible by 2 and 3

b)

The last digit is a five

c)

The last digit is five or zero

d)

The last digit is zero

44.

What is the divisibility rule for 6?

a)

It is divisible by 2 and 3

b)

It is divisible by 3 and 4

c)

It is divisible by 2 and 4

d)

The last digit is zero

45.

What is the divisibility rule of 2?

a)

The sum of the digits equals a number divisible by 2

b)

The last digit is 0

c)

The last two digits form a number that is divisible by 2

d)

The last digit is even

46.

Which number is the BASE?

2³= 8

a)

2

b)

3

c)

8

d)

I don't know, request me for Tiger Time for help please!

47.

In the expression 2⁵, what is the BASE?

a)

2

b)

5

48.

In the expression 2⁵, what is the EXPONENT?

a)

5

b)

2

49.

Write in exponential form: 3 x 3 x 3 x 3

a)

3 x 4

b)

3⁴

c)

81

d)

3²

50.

Which is equivalent to 3⁴

a)

27

b)

9

c)

81

d)

12

51.

18¹=

a)

18

b)

0

c)

324

d)

1

52.

What is equivalent to 6⁴?

a)

6×6×6

b)

4×6

c)

6×6×6×6

d)

4⁶

53.

Write the product as a power: 9 x 9 x 9

a)

729

b)

27

c)

9³

d)

3⁹

54.

Evaluate 12 to the second power

a)

12

b)

24

c)

144

d)

122

55.

Select ALL of the following that are equivalent to 5×5×5

a)

five cubed

b)

five squared

c)

5³

d)

3⁵

e)

125

56.

Which is equivalent to 5 x 5 x 5 x 5

a)

5³

b)

5⁴

c)

4⁵

d)

5⁵

57.

How do you write 2 x 2 x 2 x 2 with an exponent?

a)

4²

b)

2⁴

c)

2²

58.

What is equivalent to 5 squared?

a)

25

b)

10

c)

55

d)

30

59.

In the exponent 3⁴, the three represents____________ ?

a)

power

b)

base

c)

exponent

d)

integers

60.

Which is equivalent to 7 x 7 x 7 x 7 x 7 x 7
?

a)

7⁵

b)

7⁶

c)

6⁷

d)

7⁷

61.

Which is GREATER?
2⁷ or 7²

a)

2⁷

b)

7²

c)

Neither, they are equal

62.

How do you correctly say 4³

a)

4 squared

b)

3 quadrupled

c)

4 cubed

d)

4 to the power of 2

63.

What is nine cubed in exponential form?

a)

9 x 9 x 9

b)

9³

64.

What is 5^3?

a)

50

b)

75

c)

25

d)

125

65.

What is 9³ in standard form?

a)

840

b)

81

c)

9 x 9

d)

729

66.

Evaluate.
2⁵

a)

10

b)

25

c)

32

d)

Answer Not Given

67.

Evaluate.
8²

a)

16

b)

64

c)

-64

d)

Answer Not Given

68.

Find the prime factorization of 72

a)

2³x 3²

b)

2 x 3² x 4

c)

2⁴ x 3³

d)

2² x 6²

69.

Find the prime factorization for 80

a)

4²⋅ 5

b)

2⁴⋅ 5

c)

2 ⋅ 2 ⋅ 2

d)

8 ⋅ 5 ⋅ 2

70.

What is the prime factorization of 192 ?

a)

3⋅ 6²

b)

2⁶⋅ 3

c)

2⁸⋅ 3

d)

3 ⋅ 8²

71.

Using a Factor Tree, find the prime factorization of 54.

a)

3² x 6

b)

3³x 2

c)

2³ x 3

d)

9 x 6

72.

Using a Factor Tree, find the prime factorization of 24.

a)

2³ x 3

b)

2² x 3 x 4

c)

2²x 3

d)

3 x 8

73.

Use a number tree to find the prime factorization of 105

a)

3 x 5 x 7

b)

3 x 5 x 11

c)

1 x 2 x 5 x 7

d)

2 x 3 x 5 x 7

74.

Using a Factor Tree, find the prime factorization of 75.

a)

3 x 5²

b)

3 x 5 x 5

c)

3² x 5

d)

5 x 15

75.

Using a Factor Tree, find the prime factorization of 150.

a)

2³ x 3 x 5

b)

2 x 5²

c)

2 x 3 x 5²

d)

5² x 6

76.

Use a number tree to find the prime factorization of 111

a)

3 x 33

b)

3 x 3 x 11

c)

3 x 37

d)

1 x 3 x 4 x 9

77.

A prime number

a)

has one factor

b)

has more than 2 factors

c)

has 100 factors

d)

has exactly 2 factors: 1 and the number

78.

Prime numbers have:

a)

Exactly 2 factors

b)

2 pairs of factors

c)

More than 2 factors

d)

1 factor

79.

Composite numbers:

a)

Are always bigger than prime numbers

b)

Have more than 2 factors

c)

Have 2 pairs of factors

d)

Don't have factors

80.

Which of the following is equivalent to 5(2x + 3)?

a)

52x + 53

b)

7x + 10

c)

10x + 15

d)

10x + 3

81.

Which is equivalent to 5(a + 6)?

a)

5a + 6

b)

a + 30

c)

5a + 30

d)

5a - 30

82.

Distribute: 2(c - 8)

a)

2c - 16

b)

2c + 16

c)

2c - 8

d)

c - 16

83.

Distribute: 3(2c - 5)

a)

6c - 15

b)

6c + 15

c)

6c + 15

d)

-6c - 15

84.

Which of the following is equivalent to
9(5c + 4)?

a)

45c + 36

b)

81c

c)

45c + 4

d)

49c

85.

Simplify:
7(y - 3)

a)

7y - 21

b)

7y - 3

c)

7y + 3

d)

7y + 21

86.

Which of the following is equivalent to 4x + 28

a)

4(x + 7)

b)

4(x + 28)

c)

4x + 7

d)

4(x + 24)

87.

Which of the following expressions is equivalent to 10x - 8?

a)

2(5x - 8)

b)

10(x - 8)

c)

8(2x - 1)

d)

2(5x - 4)

88.

Fill in the blank:
2(x + 7) = 2x + __

a)

7

b)

14

c)

7x

d)

14x

89.

Fill in the blank:
4(3x + __) = 12x + 16

a)

4

b)

16

c)

4x

d)

12

90.

Fill in the blanks:
__(5x + 1) = 10x + 2

a)

2

b)

5

c)

10

d)

x

91.

Distribute the following:
10(z - 6)

a)

10z - 60

b)

10z + 60

c)

-10z - 60

d)

-10z + 60

92.

6(x + 3y) is equivalent to:

a)

6 + 18y

b)

6x + 18

c)

24xy

d)

6x + 18y

93.

e(f + g) is equivalent to:

a)

ef + g

b)

f + g

c)

f + eg

d)

ef + eg

Review of Ch. 3

Total questions: 93

Worksheet time: 3hrs 17mins

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