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WorksheetsTime for Review
Total questions: 15
Worksheet time: 21mins
Name
Class
Date
1.
Choose a prime number from the list.
a)
7
b)
8
c)
9
d)
10
2.
What are the factors of 24?
a)
2, 3, 4, 6, 8, 12, 24
b)
2, 3, 4, 6, 8, 12, 24, 36
c)
1, 2, 3, 4, 6, 8, 12, 24
d)
1, 2, 4, 5, 6, 8, 12 ,24
3.
What are the first five multiples of 7?
a)
7, 14, 21, 28, 35
b)
7, 14, 21, 27, 35
c)
7, 14, 28, 35, 42
d)
7, 14, 21, 35, 42
4.
Which of the following is NOT true about prime numbers?
a)
They have exactly two factors
b)
1 is a factor of every prime number
c)
No prime numbers end in zero
d)
All prime numbers are odd numbers.
5.
Is 8.27 rational or irrational?
a)
Rational
b)
Irrational
c)
Both
d)
None of the above
6.
A non-terminating decimal is which type of number?
a)
Rational
b)
Irrational
7.
A repeating decimal is what type of number?
a)
Rational
b)
Irrational
8.
Which of the following contains only rational numbers?
a)
2.5, .764567..., 1/2, √27
b)
π, √4, √16, 7.7
c)
6.7, 4.45, -3,
d)
5, -4.5, √13, √-9
9.
How many sig figs are there?
100.00
100.00
a)
1
b)
3
c)
4
d)
5
10.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
11.
Round 7384 to 1 significant figure:
a)
7300
b)
7000
c)
7380
d)
7.384
12.
Round 0.658 to 1 significant figure:
a)
0
b)
0.66
c)
0.7
d)
0.658
13.
Round 0.010229 to three significant figures:
a)
0.010
b)
1020
c)
0.0102
d)
0.01023
14.
3x + 2 + 3x =
a)
8x
b)
2x
c)
3x+2
d)
6x+2
15.
Mario is missing half of his assignments. If a represents the number of assignments, write an expression to show how many assignments Mario is missing.
a)
2a
b)
1/2 ÷ a
c)
0.5a
d)
a ÷ 0.5
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