Maths trick
Rounding
Find the two tens (or hundreds) a number is between, and pick the nearer one.
Ages 7–11
Worked example
Tap through the steps. Each step can be read aloud.
Step 1 of 4
Round 47 to the nearest 10. Which two tens is it between?
Quick practice
Five fresh questions, marked straight away. Use the trick!
Find the two tens (or hundreds) a number is between, and pick the nearer one.
More tricks
Column addition
Line up the digits by place value, add from the ones, and carry when a column makes 10 or more.
Column subtraction
Subtract from the ones; when the top digit is too small, exchange 1 from the next column.