
How many sweets are in this bag??
n

We don’t know!

We have to call it ‘n’ for aNy number!
n

How many sweets are here??
n
n
n

3 bags of n and 3 more!

We write this as 3n + 3

Write expressions to show how many sweets
are on each slide. Remember: -

n is the number of bags

Just write a number for sweets
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n


This time, you need to draw pictures from the
expression.
E.g. 4n + 2
n
n
n
n
n
n
n
n
n
n
n