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Maths trick

Order of operations (BODMAS)

Brackets first, then powers, then × and ÷, then + and −.

Ages 10–16

Worked example

Tap through the steps. Each step can be read aloud.

Step 1 of 4

3 + 4 × 2: which part do you work out first?

Quick practice

Five fresh questions, marked straight away. Use the trick!

Brackets first, then powers, then × and ÷, then + and −.

More tricks

Column addition

Line up the digits by place value, add from the ones, and carry when a column makes 10 or more.

Ages 8–11

Column subtraction

Subtract from the ones; when the top digit is too small, exchange 1 from the next column.

Ages 8–11

Bar models

Draw the problem as bars so you can see what to work out.

Ages 7–13