WorksheetsSubstituting for a Variable
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
What would a³ be if a=1?
a)
1 x 1 x 1=1
b)
3 x 3 x 3=27
c)
1 + 1 + 1=3
2.
What would 2b² if b=2?
a)
2 x 2 x 2=8
b)
2 + 2 + 2=6
c)
22+2 =24
3.
What would -c⁴ be if c=2?
a)
2 x 4 =8
b)
4 x 4 =16
c)
-2 x -2 x -2 x -2=16
4.
What would 2a + 3a be if a=1?
a)
2 x 1 + 3 x 1=5
b)
21 + 31 =52
c)
2 + 3 + 1 + 1 =7
5.
What would -2z - z be if z=3?
a)
-2 x 3 - 3 =-9
b)
-2 + 3 - 3 =-2
c)
-23 - 3 =-26
6.
What would 2(b - 3)² be if b=1?
a)
2(1 - 3)² =8
b)
2 x 1 - 3² =-7
7.
What would 2a² be if a=2
a)
22 x 2 =44
b)
2 x 2 x 2 =8
c)
2 + 2 + 2=6
8.
If b=3, what would the expression b³ equal?
a)
3 + 3 =6
b)
3 x 3=9
c)
3 x 3 x 3 =27
9.
Solve (a + b) + 1, if a=1, b=2
a)
(1 + 2) + 1 =4
b)
1 x 2 + 1 =3
c)
(1 x 2) x 1 =2
10.
For the expression a2 + 3 what would be the answer if a=2?
(a)
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