Factors
Prime Numbers
Multiples
Multiplication
Adding and Subtracting
100
The factors of 20
What is 1, 20, 2, 10, 4, 5
100
This number is prime: a) 20 b) 10 c) 15 d) 5
What is 5
100
The first five multiples of 10
What is 10, 20, 30, 40, 50
100
5 x 10
What is 50
100
10 - 5
What is 5
200
The factors of 15
What is 1, 15, 3, 5
200
A prime number is this...
What is a number that is only divisible by 1, and itself
200
The first five multiples of 5
What is 5, 10, 15, 20, 25
200
4 x 6
What is 24
200
13 - 7
What is 6
300
The factors of 30
What is 1, 30, 2, 16, 3, 10, 5, 6
300
The answer to the following is a prime number: a) 3 x 4 b) 12-5 c) 2 x 2 d) 3 x 1
What is d) 3 x 1
300
The first 5 multiples of 4
What is 4, 8, 12, 16, 20
300
3 x 7
What is 21
300
12 + 9
What is 21
400
The factors of 36
What is 1, 2, 3, 4, 6, 9, 12, 18, 36
400
The following number is prime: a) 33 b) 48 c) 41 d) 16
What is c) 41
400
The first 5 multiples of 7
What is 7, 14, 21, 28, 35
400
11 x 4
What is 44
400
26 - 11
15
500
Factors of 21
What is 1, 3, 7, 21
500
The largest prime number between 1 and 100
What is 97
500
First five multiples of 9
What is 9, 18, 27, 36, 45
500
12 x 4
What is 48
500
16 + 7
What is 23
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