WorksheetsFACTORS, MULTIPLES, HCF AND LCM
Total questions: 20
Worksheet time: 42mins
Which of the following is a factor of 12? Select all that apply.
12
2
24
3
Select all of the multiples of 8.
2
8
32
4
What is the greatest common factor of 20 and 30?
60
5
10
30
A florist orders sunflowers every 6 days, and daisies every 4 days. How many days will pass until the next time she orders both kinds of flowers on the same day?
12 days
2 days
24 days
4 days
Select all of the prime numbers.
3
9
29
2
Factor, in mathematics, is a number that divides another number, with no remainder.
True
False
In math, the meaning of a multiple is the product result of one number multiplied by another number.
False
True
Is 10 a multiple of 5?
Yes
No
Which are the factors of 27?
1,3,7,21
1,3,8,21
2,4,6,21
3,7,21,28
Which are factors of 20?
2,10,5,4,1,20
3,5,7,9
20, 40,80,100
15,25,35
Find the HCF of 21 and 28
3
4
7
14
What would you use to answer this question? A carpenter was given some free wooden planks. Some are 12m long and some are 18m long. He wants to cut them up so that she has equal size planks to make using them easier. What size planks should he cut them into to avoid wasting any wood?
HCF = 6
LCM = 6
HCF = 36
LCM = 36
Find the HCF for 18, 36, and 81
3
2
6
9
True or false: 5 is a multiple of 10.
True
False
What is the LCM of 6 and 15?
15
30
3
10
What is the LCM of 4,8, and 28?
4
56
14
28
7 14 22 28
Which one is incorrect?
10: 10, 20, 30, 40, ___, 60, 70, 80
