Author: frankie

Fraction wall

To find a fraction of an amount or quantity

Finding 10%
Divide by10. It’s the same as finding a tenth.
Example Find 10% of £50. Divide £50 by 10 to get £5.

Finding 5%
Divide by10 then halve the answer
Example Find 5% of £50. Divide £50 by 10 to get £5. Now halve to get £2.50

Finding 20%
Divide by10 then double the answer
Example Find 20% of £50. Divide £50 by 10 to get £5. Now double to get £10

Bar chart

Table

Probability Scale

Perimeter and area

Perimeter = b + h + b + h
Units are length, eg, m
UNITS

Area = b x h
Units are squared, eg, m²
UNITS

Check the UNITS are the SAME before doing the calculations!