Free Printable Unit 1 6R

1.

What is the GCF of 18 and 24?

a)

3

b)

6

c)

8

d)

9

2.

What is the greatest factor of 28 and 49?

a)

1

b)

2

c)

7

d)

12

3.

List all the factors of 12

a)

1, 2, 3, 4, 6, 12

b)

1, 2, 4, 12

c)

1, 12

d)

1, 2, 3, 4, 5, 6, 12

4.

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

5.

Lisa is making activity baskets to donate to charity. She has 12 coloring books and 36 crayons. What is the greatest number of baskets she can make if each type of toy is equally distributed among the baskets?

a)

2

b)

12

c)

36

d)

6

6.

What are the factors of 25?

a)

1, 2, 3, 5, 10, 15, 25

b)

1, 5, 25

c)

1, 25

d)

1, 5

7.

At the movie theater, they give out a free drink to every 75th customer and a free bag of popcorn to every 30th customer. Who is the first customer that is going to win both free items?

a)

16th customer

b)

150th customer

c)

300th customer

d)

180th customer

8.

Peter has 18 oranges and 27 pears. He wants to make fruit baskets with the same number of each fruit in each basket. How many PEARS will be in the greatest number of fruit baskets?

a)

7

b)

8

c)

9

d)

10

9.

Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?

a)

7

b)

14

c)

22

d)

28

10.

What is the LCM of 6 and 24?

a)

3

b)

6

c)

12

d)

24

11.

Check ALL the numbers that are multiples of 9.

a)

3

b)

9

c)

18

d)

24

e)

36

12.

GCF of 32 and 40

a)

2

b)

4

c)

6

d)

8

13.

What are the factors of 25?

a)

1, 2, 3, 5, 10, 15, 25

b)

1, 5, 25

c)

1, 25

d)

1, 5

14.

Which list has only prime numbers?

a)

2, 3, 4, 5

b)

1, 5, 7, 9

c)

2, 3, 5, 7

d)

2, 4, 6, 8

15.

is 97 prime?

a)

yes

b)

no

16.

Which number is prime?

a)

42

b)

91

c)

71

d)

80

17.

Which number is the EXPONENT?
4^{2 =}16

a)

4

b)

2

c)

16

d)

not here

18.

5⁴=

a)

20

b)

625

c)

1024

19.

Find the equivalent expression.

9 x 9 x 9 x 9 x 9

a)

9⁵

b)

9¹⁵

c)

9 x 5

d)

9 + 9 + 9 + 9+ 9

20.

What is 3³?

a)

6

b)

9

c)

27

d)

54

21.

Which is equivalent to 4 x 4 x 4 x 4 x 4

a)

4⁶

b)

5⁴

c)

4⁴

d)

4⁵

22.

Which operation should you perform first in the expression

4\times6-3

a)

addition

b)

multiplication

c)

subtraction

d)

division

23.

Which operation should you perform first in the expression

1+8\div2

a)

addition

b)

subtraction

c)

multiplication

d)

division

24.

What is the value of the expression

9 + (12 - 10)

a)

9

b)

40

c)

13

d)

11

25.

A sixth-grade student bought three cans of tennis balls for $4 each. Sales tax for all three cans was $0.95. Write an expression to show the total amount the student paid.

a)

$3\times4+.95$

b)

$3\times.95\times4$

c)

$\left(3\times4\right)\times.95$

d)

$\left(4\times.95\right)+3$

26.

(4 x 8) - (9 + 7) =

a)

16

b)

25

c)

41

d)

32

27.

7 x (7 - 4) ÷ 3 =

a)

8

b)

6

c)

7

d)

5

28.

Apply the order of operations and choose the correct answer:

24\div6\times2\div4

a)

32

b)

0.5

c)

2

29.

Simplify this expression:
$(52÷4)+5^3$

a)

28

b)

38

c)

138

d)

5,245

30.

Solve the following:
(2 + 7 - 1) ÷ 2²

a)

16

b)

2

c)

72.25

d)

8.75

31.

8² +(7-4)²

a)

74

b)

72

c)

70

d)

73

32.

Solve the following:
5 - 6² ÷ 4 - 3

a)

1

b)

-10.75

c)

-31

d)

-7

33.

10 + 45 ÷ 9 -(14 ÷ 2) =

a)

9

b)

8

c)

53

d)

18

34.

The local florist is making bouquets for a wedding. She has 36 roses, 24 irises, and 48 daisies. She wants each bouquet to have the same number of each type of flower with none left over.

Which is the greatest amount of bouquets she can make?

a)

24

b)

12

c)

108

d)

6

35.

Chick Fil A chicken sandwiches are served in the cafeteria every 5th school day, and turkey burgers are served every 3rd school day.

If both sandwiches and burgers were served today, when is the next day that they will be served on the same day again?

a)

45 days

b)

8 days

c)

15 days

d)

2 days

36.

Maya had 16 red flowers and 24 yellow flowers. She wants to make bouquets with the same number of each color flower in each bouquet. What is the greatest number of bouquets that she can make?

a)

4

b)

2

c)

48

d)

8

37.

51 is a _____________ of 3

a)

Factor

b)

Multiple

38.

Jeremy has two pieces of wood: one is 90 inches and the other is 72 inches. He wants to cut both pieces of wood into smaller pieces so that all these pieces are the same length. If he wants the pieces to be as long as possible and doesn’t want to have any lumber left over, how long should each piece be? How many total pieces of lumber will he have?

a)

Greatest Common Factor

b)

Least Common Multiple

39.

At Kentucky Fried Chicken, the kitchen staff baked 96 chicken legs and 144 thighs. The staff had to prepare platters for an office lunch. If each platter will have the same number of legs and thighs, what is the greatest number of platters they can make?

a)

48

b)

2

c)

4

d)

16

40.

Find the GCF of 64 and 144

a)

8

b)

6

c)

16

d)

2

Unit 1 6R

Total questions: 40

Worksheet time: 2hrs 55mins

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