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Worksheets1.1) Expression and formula
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
What step would I do second?
(4 - 2) x 9 + 7 =
(4 - 2) x 9 + 7 =
a)
multiplication
b)
subtraction
c)
addition
d)
dividing
2.
12 ÷ 3 x 4
What do you do first?
What do you do first?
a)
3x4
b)
12÷4
c)
12÷3
3.
Evaluate the following expression:
-3x2 - 5x + 7 when x = -2
-3x2 - 5x + 7 when x = -2
a)
5
b)
10
c)
12
d)
7
4.
Evaluate the following expression:
25x(x - 4) when x = -1
25x(x - 4) when x = -1
a)
100
b)
115
c)
125
d)
130
5.
What is the value of x + y if x = 3 and y = 5?
a)
8
b)
5
c)
3
d)
2
6.
If a = 5 and b = 6, what is the value of ab - b?
a)
10
b)
12
c)
20
d)
24
7.
Evaluate the expression: x + 12 when x = 2.2
a)
34
b)
10.2
c)
14.2
d)
9.8
8.
Evaluate the expression: 120/x when x = 3
a)
60
b)
40
c)
30
d)
10
9.
Evaluate 7y - 3y for y=2
a)
40
b)
73
c)
8
d)
4
10.
Evaluate 5x2 + 2x
when x = 4
when x = 4
a)
408
b)
88
c)
48
d)
104
11.
Evaluate the expression for v = 3 and w = 3.
vw + w =
vw + w =
a)
14
b)
12
c)
6
d)
9
12.
Evaluate 7(x + 4) - 5x
When x = -3
When x = -3
a)
-8
b)
8
c)
22
d)
-22
13.
The formula for the area of a circle is A= 3.14 r2
Evaluate if r = 3
a)
9.42
b)
28.26
c)
18.84
d)
3.14
14.
Evaluate the following expression:
x2 + 3y when x = 2 and y = -8
x2 + 3y when x = 2 and y = -8
a)
-20
b)
20
c)
24
d)
-24
15.
the formula C= 5(F - 32) / 9 , used to convert temperatures in degrees Fahrenheit, If the room temperature 101.3O F.
Find the temperature in Celsius(C).
a)
101.3o C
b)
100o C
c)
33.2o C
d)
38.5o C
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