Free Printable Unit 1 - Variables, Substitution, and Evaluating Expressions

1.

Evaluate the expression $\frac{n}{6}+2$ when $n=12.$

a)

14

b)

4

c)

$2\frac{1}{2}$

d)

7

2.

Evaluate the expression $4g-12$ when $g=5.$

a)

33

b)

5

c)

8

d)

12

3.

Evaluate the expression $8+\frac{w}{4}$ when $w=16.$

a)

12

b)

24

c)

2

d)

8

4.

Evaluate the expression $9-b$ when $b=8.$

a)

8

b)

1

c)

3

d)

9

5.

Evaluate the expression $3z$ when $z=9.$

a)

39

b)

3

c)

$\frac{1}{2}$

d)

27

6.

Evaluate the expression $5w-\frac{w}{x}$ when $w=6$ and $x=2.$

a)

50

b)

27

c)

53

d)

28

7.

Evaluate the expression $3+jk+k^3$ when $j=2$ and $k=6.$

a)

83

b)

24

c)

47

d)

231

8.

Evaluate the expression $8r-rs$ when $r=6$ and $s=5.$

a)

-23

b)

116

c)

18

d)

-17

9.

Evaluate the expression $\frac{3}{7}r+\frac{5}{8}s$ when $r=14$ and $s=8.$

a)

7

b)

11

c)

15

d)

24 $\frac{8}{15}$

10.

Evaluate the expression $ab-0.5b$ when $a=1$ and $b=5.$

a)

2.5

b)

0

c)

15.45

d)

-5

11.

Evaluate the expression $13-0.75w+8x$ when $w=12$ and $x=\frac{1}{2}.$

a)

3

b)

4.5

c)

8

d)

13

12.

Evaluate the expression $\frac{p}{2}-5$ when $p=14.$

(a)

13.

Evaluate the expression $8+\frac{w}{4}$ when $w=16.$

(a)

14.

Evaluate the expression $5w-\frac{w}{x}$ when $w=6$ and $x=2.$

(a)

15.

Evaluate the expression $0.1m+8-12n$ when $m=30$ and $n=\frac{1}{4}$

(a)

16.

This is a letter that can be replaced by any given value (e.g. $t$ ).

(a)

17.

A synonym for solve.

(a)

18.

A math problem that does not contain an equal sign.

(a)

19.

A number, technically part of a number, that can be written as division.

(a)

20.

A number, technically part of a number, that uses a dot (.) in the number.

(a)

Unit 1 - Variables, Substitution, and Evaluating Expressions

Total questions: 20

Worksheet time: 2hrs 40mins

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