Free Printable Y7 Unit 2 (2)

1.

The number is divisible by _ if it's also divisible by 2 and 3.

a)

4

b)

5

c)

6

d)

9

2.

What is the divisibility rule for 4?

a)

The last two digits form a number divisible by 4

b)

The last digit is a number divisible by 4

c)

The last digit is even

d)

The last digit is zero

3.

What is the divisibility rule for 5?

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

4.

Which of the following statements is true of this number?

a)

It is divisible by 3 and 9

b)

It is divisible by 2, 3, and 6

c)

It is divisible by 3

d)

It is prime

5.

Which of the following statements is true of this number?

a)

It is divisible by 2, 6, and 9

b)

It is divisible by 3 and 9

c)

It is divisible by 3

d)

It is prime

6.

What is the divisibility rule of 9?

a)

The sum of the digits is a number divisible by 3

b)

The sum of the digits is a number divisible by 9

c)

The last two digits form a number divisible by 3

d)

The last digit is zero

7.

Which of the following is an even number?

a)

1

b)

9

c)

4

d)

5

8.

Is 1,284,604 divisible by 2?

a)

Yes, because the sum of the digits is 20, which is an even number

b)

No, because 4 is an odd number

c)

Yes, because 4 is an even number

d)

No, because the it is not divisible by 3

9.

2520 is divisible by 6 because:

a)

It is divisible by 2 (even) and 5 (ends in a 0 or 5)

b)

The sum of the digits is 12, a multiple of 6

c)

It's divisible by 2 (even) and 3 (sum of digits is a multiple of 3)

d)

The sum of the digits is even

10.

How do you know if a number is divisible by 12?

a)

The sum of the digits must be a multiple of 12

b)

If it ends in 3, 6, or 9

c)

If it is divisible by 3 and 4

d)

If it is divisible by 2 or 3

11.

All of these numbers are divisible by 5 except for...

a)

75,395

b)

984,940

c)

222,222,235

d)

8,943,892

12.

Is 81 divisible by 3?

a)

Yes, because the sum of the digits is 9, a multiple of 3

b)

No, because 81 is an odd number

c)

Yes, because 81 is an odd number

d)

No, because 81 does not end in 3

13.

Is 816 divisible by 3?

a)

Yes

b)

No

14.

Is 36,928 divisible by 4?

a)

Yes, because the sum of the digits is a multiple of 4

b)

Yes, because it is an even number

c)

Yes because the last two digits, 28, is divisible by 4

d)

Yes, because it is divisible by 2 and 3

15.

Is 19,584 divisible by 9?

a)

Yes

b)

No

16.

Any whole number is divisible by 6 if it is divisible by

a)

2 and 3

b)

2 and 4

c)

9 and 1

d)

5 and 10

17.

Insert the correct digit to make the following number divisible by 3.
60__2

a)

1

b)

2

c)

3

d)

5

18.

What is the divisibility rule for 1

a)

It has to be an even number

b)

Every number is divisible by 1

c)

Add up all of the digits and if it is divisible by 1 then the whole number is.

19.

Find the HCF of 30 and 36

a)

2

b)

3

c)

4

d)

6

20.

Find the HCF of 25 and 35

a)

10

b)

5

c)

7

d)

1

21.

Find the HCF of 22 and 42

a)

2

b)

3

c)

11

d)

14

22.

Find the HCF of 45 and 60

a)

5

b)

15

c)

10

d)

9

23.

Find the HCF of 21 and 28

a)

3

b)

4

c)

7

d)

14

24.

Find the HCF of 24 and 32

a)

1

b)

2

c)

4

d)

8

25.

What is the least common multiple (LCM) of 3 and 20?

a)

60

b)

40

c)

20

d)

3

26.

What is the least common multiple (LCM) of 6 and 8?

a)

6

b)

8

c)

48

d)

24

27.

What is the least common multiple (LCM) of 4 and 10?

a)

4

b)

40

c)

15

d)

20

28.

What is the least common multiple (LCM) of 2 and 24?

a)

24

b)

2

c)

12

d)

48

29.

What is the least common multiple (LCM) of 15 and 2?

a)

30

b)

2

c)

45

d)

152

30.

Find the Least Common Multiple of 9 and 6

a)

18

b)

36

c)

38

d)

72

31.

What is the least common multiple of 15, 21 and 35?

a)

3

b)

5

c)

105

d)

315

32.

What is the least common multiple of 14 and 49?

a)

7

b)

14

c)

49

d)

98

33.

Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again?

a)

48 seconds

b)

45 seconds

c)

16 seconds

d)

8 seconds

34.

The school cafeteria serves tacos every sixth day and cheeseburgers every eighth day. If tacos and cheeseburgers are both on today’s menu, how many days will it be before they are both on the menu again?

a)

14 days

b)

24 days

c)

34 days

d)

44 days

35.

Two clocks are turned on at the same time. One clock chimes every 15 minutes. The other clock chimes every 25 minutes. In how many minutes will they chime together?

a)

55 minutes

b)

25 minutes

c)

60 minutes

d)

75 minutes

36.

What is the prime factorization of 24 written in exponential notation?

a)

2³ x 3

b)

2² x 3 x 4

c)

2² x 3

d)

3 x 8

37.

What is the prime factorization of 18?

a)

9 x 2

b)

3 x 2²

c)

3² x 2

d)

3³

38.

The following prime factorization represents which number: 2² x 3 x 7

a)

14

b)

84

c)

42

d)

70

39.

How do you correctly say 4³

a)

4 squared

b)

3 quadrupled

c)

4 cubed

d)

4 to the power of 2

40.

√100

a)

15

b)

10

c)

11

d)

12

41.

Simplify: 3 x 3 x 3 x 3 x 3

a)

3⁴

b)

3³

c)

3⁵

d)

4³

42.

Which of the following is a perfect square number?

a)

9

b)

12

c)

15

d)

20

43.

Which expression is equivalent to (-4)(-4)(-4)(-4)

a)

-4¹

b)

(-4)⁴

c)

4^-2

d)

(-4)²

44.

Solve for x if x² = 144.

a)

12

b)

11

c)

4

d)

14

45.

What is 7³in expanded form?

a)

343

b)

7 x 7 x 7

c)

2041

d)

7³

46.

What is the cube root of 8?

a)

2

b)

4

c)

1

d)

6

47.

Which of the following in not a perfect square?

a)

49

b)

81

c)

111

d)

144

48.

√-9

a)

3

b)

-3

c)

81

d)

Not possible

49.

13^2=____

a)

26

b)

99

c)

119

d)

169

50.

√.81

a)

9

b)

.09

c)

.9

d)

Not Possible

51.

7²

a)

50

b)

49

c)

14

d)

48

52.

Which of the following is a perfect square?
¿Cuál de los siguientes es un cuadrado perfecto?

a)

24

b)

48

c)

81

d)

110

53.

-2 + 4

a)

-2

b)

2

c)

0

d)

-4

54.

3 + -7

a)

10

b)

4

c)

-10

d)

-4

55.

-9 + (-5)

a)

-14

b)

14

c)

-4

56.

28 + (-30)

a)

-2

b)

2

c)

58

d)

-58

57.

33 + (-38)

a)

-5

b)

5

c)

71

d)

-71

58.

(-40) + (-39)

a)

1

b)

-1

c)

79

d)

-79

59.

-8 + (-10) + 8

a)

26

b)

-26

c)

-10

d)

10

60.

7 - 9

a)

2

b)

-2

61.

-6 + 9

a)

-3

b)

6

c)

-6

d)

3

62.

-4 - 2

a)

-2

b)

-6

c)

2

d)

6

63.

5 + -2

a)

3

b)

7

c)

-3

d)

-7

64.

6 + -4

a)

-10

b)

2

c)

-2

d)

10

65.

7 - -3

a)

4

b)

10

c)

-4

d)

-10

66.

-2 - -2

a)

4

b)

-4

c)

0

d)

1

67.

-15 + -3

a)

-18

b)

-12

c)

18

d)

12

68.

-20 - 2

a)

22

b)

18

c)

-18

d)

-22

69.

-6 - -3

a)

-3

b)

3

c)

-9

d)

9

70.

3 + -7

a)

10

b)

4

c)

-10

d)

-4

71.

-2 + 4

a)

-2

b)

2

c)

0

d)

-4

72.

If you are adding 2 negative numbers, will your answer be positive or negative?

a)

negative

b)

positive

73.

-4 + 9

a)

-13

b)

13

c)

-5

d)

5

74.

-2 - (-8)

a)

6

b)

-6

c)

-10

d)

10

75.

7 - 26

a)

-19

b)

19

c)

33

d)

-33

76.

-10 + 10

a)

20

b)

0

c)

-20

d)

1,000,000

77.

Tell whether this sentence is always true, sometimes true, or never true. (COME UP WITH EXAMPLES BEFORE YOU PICK)

negative - positive = negative

a)

always true

b)

sometimes true

c)

never true

78.

7 x (-6) = ...

a)

13

b)

-13

c)

42

d)

-42

79.

5 x (-10) = ...

a)

15

b)

-15

c)

50

d)

-50

80.

-13 x 4 = ...

a)

52

b)

-52

c)

17

d)

-17

81.

-8 x (-12) = ...

a)

20

b)

-20

c)

96

d)

-96

82.

-20 x (-18) = ...

a)

360

b)

-360

c)

38

d)

-38

83.

3 × (-5) =

a)

15

b)

-15

c)

-8

d)

-12

84.

(-4) × (-7) =

a)

11

b)

-11

c)

-28

d)

28

85.

-8 × 6 =

a)

24

b)

-24

c)

-14

d)

-48

86.

64 ÷ (-8) =

a)

8

b)

-8

c)

-7

d)

9

87.

-42 ÷ (-7) =

a)

6

b)

-8

c)

-6

d)

-9

88.

81 ÷ (-9) =

a)

9

b)

-8

c)

-6

d)

-9

89.

(-63) ÷ (-9) =

a)

7

b)

-7

c)

-6

d)

-9

90.

(-36) ÷ 9 =

a)

4

b)

-4

c)

-6

d)

6

91.

(-25) ÷ (-5) =

a)

5

b)

-5

c)

-6

d)

4

92.

(120) ÷ (-10) =

a)

12

b)

-12

c)

-20

d)

120

93.

121÷ (-11) =

a)

12

b)

-11

c)

11

d)

-12

94.

27 ÷ (3 + 6)

a)

15

b)

3

c)

4

95.

48 ÷ (14 – 2)

a)

576

b)

6

c)

4

d)

12

96.

(9 + 2) × 2 + 5

a)

77

b)

18

c)

23

d)

27

97.

What is 3x(2+4)

a)

9

b)

16

c)

18

d)

12

98.

8 ÷ 8 + 6 × 2

a)

8

b)

13

c)

14

d)

23

99.

12 ÷ (4 + 2)

a)

2

b)

3

c)

5

d)

8

100.

(15 - 3) × 3

a)

36

b)

6

c)

12

d)

24

101.

(3 + 4) × (12 - 2)

a)

70

b)

49

c)

80

d)

54

102.

(20 - 12) ÷ (3 + 1)

a)

2

b)

16

c)

17

d)

4

103.

If a question asks you to "Take away" what letter of BIDMAS does this refer to?

a)

I

b)

M

c)

S

d)

B

104.

What does the I in BIDMAS stand for?

a)

Instead

b)

Indices

c)

In, out, shake it all about

d)

Integers

105.

What is BIDMAS?

a)

A religious holiday

b)

A type of fish

c)

The order that mathematical calculations should be completed in.

d)

A mode on a calculator

106.

3² is the same as?

a)

3x2

b)

3x3

107.

What does B in BIDMAS stand for?

a)

Bazinga

b)

Balancing

c)

Bali

d)

Brackets

108.

What does D stand for in BIDMAS?

a)

Duality

b)

Discount

c)

Dumpling

d)

Division

109.

What does M in BIDMAS stand for?

a)

Memory

b)

Mathematics

c)

Multiplication

d)

Mistake

110.

When completing BIDMAS, you can work left to right to calculate ADDITION AND SUBTRACTION in the same step.

a)

True

b)

False

111.

When using BIDMAS, you can perform MULTIPLICATION AND DIVISION in the same line of working.

a)

True

b)

False

112.

Which operation would you do first in the following equation?
10 - 4 ÷ 1 · 5

a)

Subtraction

b)

Division

c)

Multiplication

d)

Addition

113.

Which operation would you do first?
( 12 + 10) ÷ 10 · 14 - 6

a)

Division

b)

Multiplication

c)

Addition

d)

Subtraction

114.

12 - 2² x 2 =

a)

4

b)

20

c)

22

d)

200

115.

3 x 3³- 9

a)

18

b)

27

c)

36

d)

0

116.

39 - 6 x (7 - 2) + 3²

a)

18

b)

30

c)

139

d)

384

117.

88 ÷ 44 + 44 ÷ 22

a)

22

b)

44

c)

2

d)

4

118.

91 + 27 ÷ (72 ÷ 24)

a)

100

b)

96

c)

90

d)

127

Y7 Unit 2 (2)

Total questions: 118

Worksheet time: 2hrs 9mins

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