Learning Targets
Beginning
To be able to find multiples of numbers.
Developing
To be able to find multiples of numbers.
Developing
To be able to demonstrate finding the lowest common multiple (LCM).
Mastering
To be able to use prime factors to find LCM.
Resources
Beginning
B1
Write out the numbers from (at least) 1 to 100 in a grid as below.
Cross out the numbers in the:
a) 2 times table except 2,
b) 3 times table except 3,
c) 4 times table except 4,
d) 5 times table except 5,
e) 6 times table except 6....and so on.
What do you notice?
B1
Write out the numbers from (at least) 1 to 100 in a grid as below.
Cross out the numbers in the:
a) 2 times table except 2,
b) 3 times table except 3,
c) 4 times table except 4,
d) 5 times table except 5,
e) 6 times table except 6....and so on.
What do you notice?
Developing
Which is the first number that is in the:
a) 2 and 3 times table?
b) 3 and 4 times table?
c) 5 and 7 times table?
d) 8 and 12 times table?
e) 3 and 9 times table?
f) 11 and 15 times table?
g) 120 and 170 times table?
h) 110 and 310 times table?
D2
D3Introduce LCM
Mastering
NRICH - Can you find prefect numbers?
Homework
Find the following and upload you work to Showbie in each case showing your workings:
a) LCM (3, 5) =
b) LCM (12, 7) =
c) LCM (13, 39) =
d) LCM (120, 45) =
e) LCM (345, 55) =
