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Maths trick

Round and adjust

Add a nearby round number instead, then adjust by the difference.

Ages 8–11

Worked example

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

Step 1 of 4

46 + 29: 29 is very close to 30, and 30 is easy to add.

Quick practice

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

Add a nearby round number instead, then adjust by the difference.

More tricks

Make ten

Look for two numbers that make 10, and add them first.

Ages 5–8

Near doubles

When two numbers are next to each other, double the smaller one and add 1.

Ages 6–8

Bridging ten

Jump to the next ten first, then add what is left.

Ages 6–9