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WorksheetsLCM and HCF
Total questions: 50
Worksheet time: 2hrs 40mins
1 x 4
2 x 2
Shows that the factors of 4 are:
1 ; 2 and 4
True
False
1 x 4
2 x 4
Show that the multiples are 4 are
1 ; 2 and 4
True
False
The following numbers show multiples of 3
3 ; 9 ; 12 ; 15 ; 18 ; 21
True
False
The following numbers show factors of 3
3 ; 9 ; 12 ; 15 ; 18 ; 21
True
False
Which list of numbers show multiples of 8
24 ; 32 ; 40 ; 48 ; 56
1 ; 2 ; 4 ; 8
Which list of numbers show factors of 8
1 ; 2 ; 4 ; 8
8 ; 16 ; 24 ; 32 ; 40
Compare the list multiples of these numbers:
4 = 4; 8; 12; 16; 20; 24; 28; 32; 36; 40
6 = 6; 12; 18; 24; 30; 36; 42; 48; 54; 60
8 = 8; 16; 24; 32; 40; 48; 56; 64; 72; 80
What is the LOWEST common multiple?
(a)
Compare the list multiples of these numbers:
3 = 3; 6; 9; 12; 15; 18; 21; 24; 27; 30
6 = 6; 12; 18; 24; 30; 36; 42; 48; 54; 60
9 = 9; 18; 27; 28; 45; 54; 63; 72; 81; 90
What is the LOWEST common multiple?
(a)
Compare the multiplication facts for each number below:
16 = 1x16 ; 2x8; 4x4
20 = 1x20 ; 2x10; 4x5
24 = 1x24; 2x12; 3x8; 4x6
Use these multiplication facts to work out the
HIGHEST common factor.
(a)
Compare the multiplication facts for each number below:
15 = 1x15 ; 3x5
25 = 1x25 ; 5x5
35 = 1x35; 5x7
Use these multiplication facts to work out the
HIGHEST common factor.
(a)
The following multiplication facts show the factors of the 12
12 = 2x6; 1x12; 3x4
Write a list of factors of 12 in ascending order.
(REMEMBER: to put a ; between your numbers)
(a)
The following multiplication facts show the factors of the 48
48 = 2x24; 8x6; 3x16; 1x48; 4x12
Write a list of factors of 48 in ascending order.
(REMEMBER: to put a ; between your numbers)
(a)
The following multiplication facts show the factors of the 32
32 = 1x32; 2x16; 4x8
Write a list of factors of 32 in ascending order.
(REMEMBER: to put a ; between your numbers)
(a)
Write a list of the first three multiples of 5.
(REMEMBER: to put a ; between your numbers)
(a)
Write a list of the first three multiples of 7.
(REMEMBER: to put a ; between your numbers)
(a)
Write a list of the first three multiples of 9.
(REMEMBER: to put a ; between your numbers)
(a)
Select the list of multiples which show the 8th; 9th and 10th multiple of 6.
48;54;60
12;18;24
Select the ascending list of factors for 40.
1x40; 2x20; 4x10; 5x8
1;2;4;5;8;10;20;40
Select the ascending list of factors for 100.
1x100; 2x50; 4x25; 5x20; 10x10
1;2;4;5;10;20;25;50;100
Select the multiplication facts for 8.
1x8; 2x4
1;2;4;8
Select the multiplication facts for 44.
1x44; 2x22; 4x11
1;2;11;22;44
Look carefully at the division facts for 12.
12 ÷ 12 = 1 12 ÷ 6 = 2
12 ÷ 4 = 3 12 ÷ 3 = 4
12 ÷ 2 = 6 12 ÷ 1 = 12
Using the information above. List the factors of 12 in ascending order.
(Remember to use ; between your numbers)
(a)
Look carefully at the division facts for 12.
20 ÷ 20 = 1 20 ÷ 1 = 20
20 ÷ 5 = 4 20 ÷ 4 = 5
20 ÷ 10 = 10
Using the information above. List the factors of 20 in ascending order.
(Remember to use ; between your numbers)
(a)
24 ÷ 24 = 1 24 ÷ 1 = 24
24 ÷ 12 = 2 24 ÷ 2 = 12
24 ÷ 8 = 3 24 ÷ 3 = 8
24 ÷ 6 = 4 24 ÷ 4 = 6
Using the information above. List the factors of 24 in ascending order.
(Remember to use ; between your numbers)
(a)
Think about the numbers below:
5 and 6
What is the LOWEST common multiple of these numbers?
(What is the smallest multiple which these numbers share?)
(a)
Think about the numbers below:
4 and 8
What is the LOWEST common multiple of these numbers?
(What is the smallest multiple which these numbers share?)
(a)
Think about the numbers below:
10 and 12
What is the LOWEST common multiple of these numbers?
(What is the smallest multiple which these numbers share?)
(a)
Think about the numbers below:
7 and 11
What is the LOWEST common multiple of these numbers?
(What is the smallest multiple which these numbers share?)
(a)
Think about the numbers below:
3 and 4
What is the LOWEST common multiple of these numbers?
(What is the smallest multiple which these numbers share?)
(a)
Think about the numbers below:
9 and 12
What is the LOWEST common multiple of these numbers?
(What is the smallest multiple which these numbers share?)
(a)
Think about the numbers below:
12 and 18
What is the HIGHEST common factor of these numbers?
(What is the largest factor shared by these numbers?)
(a)
Think about the numbers below:
20 and 24
What is the HIGHEST common factor of these numbers?
(What is the largest factor shared by these numbers?)
(a)
Think about the numbers below:
9 and 27
What is the HIGHEST common factor of these numbers?
(What is the largest factor shared by these numbers?)
(a)
Think about the numbers below:
5 and 7
What is the HIGHEST common factor of these numbers?
(What is the largest factor shared by these numbers?)
(a)
Think about the numbers below:
15 and 30
What is the HIGHEST common factor of these numbers?
(What is the largest factor shared by these numbers?)
(a)
Think about the numbers below:
10 and 25
What is the HIGHEST common factor of these numbers?
(What is the largest factor shared by these numbers?)
(a)
The H.C.F (highest common factor) of 12 and 15 is 3?
(HCF 12 and 15 = 3)
True
False
The H.C.F (highest common factor) of 10 and 20 is 5?
(HCF 10 and 20 = 5)
True
False
The H.C.F (highest common factor) of 4 and 8 is 8?
(HCF 4 and 8 = 8)
True
False
The H.C.F (highest common factor) of 6 and 9 is 3?
(HCF 6 and 9 = 3)
True
False
The L.C.M (lowest common multiple) of 10 and 15 is 30?
(LCM 10 and 15 = 30)
True
False
The L.C.M (lowest common multiple) of 8 and 12 is 12?
(LCM 8 and 12 = 12)
True
False
The L.C.M (lowest common multiple) of 4 and 6 is 12?
(LCM 4 and 6 = 12)
True
False
The L.C.M (lowest common multiple) of 2 and 4 is 2?
(LCM 2 and 4 = 2)
True
False
The L.C.M (lowest common multiple) of 6 and 9 is 36?
(LCM 6 and 9 = 36)
True
False
Select the multiples of 4
6
8
12
16
Select the multiples of 6
12
16
18
26
Select the factors of 12
3
6
8
10
Select the factors of 20
10
2
4
6
Select the factors of 18
1
18
9
2
