Denton West End Primary School

Only our best is good enough

Balmoral Drive, Manchester, Lancashire, M34 2JX

0161 336 3409

admin@dweschool.org

Written Methods

Informal Methods

No adjustment

One adjustment - tens to units

Formal Compact Methods

No adjustment

One adjustment - tens to units

One adjustment - hundreds to tens

Two adjustments - hundreds to tens and tens to units.

When solving subtraction problems involving time, pupils use a number line.
E.g. The cake is ready at 10:25 and it takes 50 minutes to cook. What time should it go in the oven?

Subtraction vocabulary includes; subtract, take away, minus, decrease, exchange, difference between. How much more/less? Inverse, counting up.