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WorksheetsMath 7 Unit 3 Expressions
Total questions: 52
Worksheet time: 1hrs 26mins
Name
Class
Date
1.
6a - 3d
when a = 1, d = 2
when a = 1, d = 2
a)
3
b)
12
c)
1
d)
0
2.
Evaluate when a = 15:
2(a - 5) + 2
2(a - 5) + 2
a)
22
b)
27
c)
14
d)
7
3.
b2 + 4
when b = 3
when b = 3
a)
10
b)
12
c)
13
d)
11
4.
2x + 3 + x2; for x = 4
a)
17
b)
27
c)
19
d)
25
5.
Simplify the following:
-2 ⋅ (3 + 8 ÷ 4)2
-2 ⋅ (3 + 8 ÷ 4)2
a)
-16
b)
1.375
c)
4
d)
-50
6.
Simplify the following:
-8 + (15 - 3) ÷ 4
-8 + (15 - 3) ÷ 4
a)
-5
b)
1
c)
-11
d)
11
7.
Evaluate the expression. Let g = 3 h = 9
4h + 2g + 4
4h + 2g + 4
a)
42
b)
46
c)
34
d)
58
8.
Evaluate the expression when
x =5 and z = 4
z2 - 2x
x =5 and z = 4
z2 - 2x
a)
6
b)
2
c)
17
d)
26
9.
Simplify -5(x + 4)
a)
5x + 4
b)
-5x + 4
c)
-5x - 20
d)
-5x + 20
10.
What is 5w if w = 3?
a)
8
b)
15
c)
53
d)
2
11.
What is m + 2.5 if m = 30?
a)
32.5
b)
55
c)
27.5
d)
15
12.
What does 32 mean?
a)
3 x 2
b)
3 x 3
c)
2 x 2 x 2
13.
20 - 5 x 2
a)
30
b)
10
c)
50
14.
What would be my first step? 3 + 4 x 6 - 4 =
a)
addition
b)
multiplication
c)
subtraction
d)
exponents
15.
(82 ÷ 2) × 3 – 17
a)
206
b)
100
c)
106
d)
5
16.
40 - 24 + 8
a)
40
b)
32
c)
24
d)
42
17.
Simplify the following:
5 - 62 ÷ 4 - 3
5 - 62 ÷ 4 - 3
a)
1
b)
-10.75
c)
-31
d)
-7
18.
Find and explain the mistake.
5 - 3 + 2 = 5-5 = 0
5 - 3 + 2 = 5-5 = 0
a)
You did the subtraction wrong
b)
You did the addition first, but should have done the subtraction first.
c)
The additon is correct, but the subtraction is wrong.
d)
There is no mistake.
19.
1/4 + 2/3 =
a)
3/7
b)
11/12
c)
3/12
d)
11/7
20.
6/7 - 3/5 =
a)
9/35
b)
51/35
c)
1 16/35
d)
3/12
21.
4/7 × 5/10 =
a)
10/35
b)
20/70
c)
2/7
d)
1 5/70
22.
12 ÷ 6 + (2 × 4)2 =
a)
34
b)
70
c)
8
d)
66
23.
Who is this?
a)
Wiley
b)
Speedy
c)
Tweety Bird
d)
Road Runner
24.
Which operation would you do first?
( 12 + 10) ÷ 10 · 14 - 6
( 12 + 10) ÷ 10 · 14 - 6
a)
Division
b)
Multiplication
c)
Addition
d)
Subtraction
25.
Select the fraction equivalent to 1/4.
a)
1/8
b)
3/16
c)
3/12
d)
4/2
26.
What is the coefficient in 27y+18
a)
y
b)
18
c)
27y
d)
27
27.
A symbol for a number we don't know yet.
a)
Variable
b)
Expression
c)
Coefficient
d)
Constant
28.
A number by all by itself in an expression.
a)
Like terms
b)
Constant
c)
Coefficient
d)
Variable term
29.
We use letters to represent unknown values. This letter is called a _____________ .
a)
Constant
b)
Coefficient
c)
Term
d)
Variable
30.
A number without a variable and stands on its own is called a _____________ .
a)
Constant
b)
Coefficient
c)
Term
d)
Number
31.
How many terms are there in 18-3x+25
a)
3
b)
4
c)
2
d)
6
32.
Answer to a multiplication problem
a)
sum
b)
difference
c)
quotient
d)
product
33.
What are these shapes called?
a)
box and whiskers
b)
box plots
c)
algebra tiles
d)
corn stalkers
34.
What term is represented by the algebra tiles?
a)
3
b)
-3
c)
3x
d)
3x2
35.
What term is represented by the algebra tiles?
a)
5
b)
-5
c)
-5x
d)
-5x2
36.
What expression represents this group of tiles?
a)
x2 + 2x + 2
b)
2x2 + 2x + 2
c)
3x2 + 2
d)
4x + 7
37.
If y=7,find the value of 2(y+4)
a)
11
b)
22
c)
20
38.
(y + z)2 when y=5 and z=2
a)
7
b)
49
c)
29
d)
14
39.
(19 - 7) ÷ 4 + 11
a)
14
b)
0.8
c)
15
d)
13
40.
What is the absolute value of |55|?
a)
-55
b)
45
c)
55
d)
--55
41.
l - 4 l + l -1 l
a)
5
b)
3
c)
4
d)
-5
42.
4⋅7 - 62 + 3
a)
-5
b)
19
c)
487
d)
7
43.
40 + 52 - 7⋅4
a)
7
b)
172
c)
37
d)
232
44.
24 - 24 ÷ 3 + 1
a)
-12
b)
9
c)
4
d)
1
45.
112 - 8 ⋅ 7 + 2
a)
100
b)
793
c)
67
d)
49
46.
(19 - 7) ÷ 4 + 11
a)
14
b)
0.8
c)
15
d)
13
47.
(31 - 11) ÷ 5 + 2
a)
-4
b)
8
c)
2.86
d)
6
48.
(3 + 4)2 - 32
a)
7
b)
112
c)
17
d)
-7
49.
8 + 2 ⋅ 7
a)
22
b)
70
c)
20
d)
42
50.
6 - 2 ⋅ 5
a)
-4
b)
-20
c)
20
d)
4
51.
25 - 3 ⋅ 9
a)
198
b)
-4
c)
2
d)
-2
52.
12 ÷ 4 ÷ 3
a)
9
b)
-1
c)
16
d)
1
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