WorksheetsFactors, Multiples and Arrays
Total questions: 15
Worksheet time: 15mins
Is 5 a common factor of 75 and 80?
yes
no
Find the missing factor.
28 = 7 x (a)
Find the missing factor.
40 = 5 x (a)
Find the missing factor.
63 = 9 x (a)
Which lists all the factors of 100?
1, 2, 4, 5, 10, 20, 25, 50, 100
1, 100
1, 2, 3, 4, 5, 6, 7, 8, 25, 50, 100
1, 2, 4, 5, 10
Which lists all the factors of 72
1, 2, 3, 4, 5, 6, 7, 8, 6, 5, 4, 3, 2, 1
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
1, 2, 3, 4, 6, 8
1, 72
List the first four multiples of 8.
1, 2, 4, 8
8, 16, 24, 32
16, 24, 32, 40
2, 4, 6, 8, 10
Mila has a bag with 64 dog treats. She wants each of the dogs she is fostering to get the same number of treats.
What is one possible way for Mila to give the same number of treats to each dog with no treats left over?
Pro-Tip: Use arrays, a factor rainbow, or T-Chart.
Each dog could get 5 treats.
Each dog could get 7 treats.
Each dog could get 8 treats.
Each dog could get 3 treats.
What are the factors modeled by this array?
4 x 4
4 x 7
5 x 5
5 x 6
7 is a factor of which number?
Pro-Tip: Factors are multiplied to get a product.
8
13
19
21
Which choice lists ALL the factors of 27?
Pro-Tip: Use a factor rainbow or T-chart.
1, 27
1, 3, 9, 27
1, 3, 9
1, 3, 27
The common factors of 15 and 20 are ....
Pro-Tip: Use factor rainbows or T-charts for each number. Then compare!
1 & 5
1 & 4
2 & 5
3 & 5
What is the common factor of 24 and 30?
Pro-Tip: Use factor rainbows or T-charts for each number. Then compare!
10
12
6
15
Is the number 20 prime or composite?
Prime, because its only factors are 1 and 20.
Prime, because its factors are 1, 2, 4, 5, 20
Composite, because its only factors are 1 and 20.
Composite, because its factors are 1, 2, 4, 5, 20
Graham is creating equal sized teams for a soccer tournament challenge at practice. 16 people will be playing.
Which list shows ALL the possibilities for the number of people Graham could place on each team?
Pro-tip: Use a factor rainbow or T-chart.
1, 4, 16
1, 2, 4, 8, 16
2, 4, 8
4
