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Worksheets

CBA review

Total questions: 20

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

Natural numbers are:

a)

1.5, 2, 2.5, 3, . . .

b)

0,1,2,3,4,5...

c)

1, 2, 3, 4, . . .

d)

. . . , -2, -1, 0, 1, 2, . . .

2.
An example of an integer is...
a)
9.1
b)
8/9
c)
-9
d)
-2.3
3.

True or False: All Natural Numbers are Whole Numbers

a)

True

b)

False

4.
What is the first step to solve this equation:
11 - 3x = 44
a)
Add 3 to both sides
b)
Subtract 11 from both sides
c)
Add 11 to both sides
d)
Divide 3 on both sides.
5.
7 + a= 5
a)
a= -2
b)
a= -6
c)
a= 3
d)
a= 15
6.

WRITE AN EQUATION

331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

a)

7x+6=331

b)

13x=331

c)

6x+7=331

d)

331-7=6x

7.

WRITE AN EQUATION

Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

a)

24-10=7x

b)

7x- 24=10

c)

7x+ 10=24

d)

10+x=14

8.
Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation to find out how many hours, h, they rented the Boat if the total cost was $33.
a)
h = 2(9) + 15
b)
33 = 15h + 2
c)
h = 15(9) + 2
d)
33 = 2h + 15
9.
Solve and graph the inequality.
77 ≤ 5 + 8n
a)
A
b)
B
c)
C
d)
D
10.
Solve and graph the inequality.
7n - 1 > 76
a)
A
b)
B
c)
C
d)
D
11.
Solve and graph the inequality.
3 + 9k > 111
a)
A
b)
B
c)
C
d)
D
12.
-4 - 2
a)
6
b)
-2
c)
-8
d)
-6
13.
-36/6 =
a)
6
b)
-6
c)
32
d)
-32
14.

Inverse of 142 is?

a)

-142

b)

142

c)

+142

15.
4.63 + 9.8
a)
14.33
b)
14.43
c)
13.43
d)
13.33
16.

66.25 X .8 =

a)

78

b)

53

c)

15

d)

89

17.
7.71 ÷ 3 = ______
a)
2.57
b)
25.7
c)
0.31
d)
3.1
18.

Lea needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes.

What is the least number of cars she can wash to buy the headphones?

Write the inequality to the problem.

a)

14x+30 ≥ 240

b)

14x+30 ≤ 240

c)

30x+14 ≥ 240

d)

30x+14 ≤ 240

19.

Lea needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes.

What is the least number of cars she can wash to buy the

headphones?

a)

x ≥ 15

b)

x ≤ 15

c)

x > 15

d)

x < 15

20.

Ms. Brown had $80 to purchase school supplies for her class. She bought 32 glue sticks and 32 boxes of crayons. Each glue stick cost $1.40, and each box of crayons cost $0.59. How much money did Ms. Blankenship have left after these purchases?

a)

$16.32

b)

$18.88

c)

$63.68

d)

$35.20