Number – number and place value

Numbers to 100

Read, write and compare numbers up to 100 as tens and ones.

Every two-digit number is made of tens and ones. 47 is 4 tens and 7 ones.

Have a play

Here are all the tens from 0 to 100. Find out how far along the line each one sits.

Tap anywhere on the line.

Worked example

What number is 6 tens and 3 ones?

  1. 6 tens is 60.

    Ten counted six times.

Try it together

Your turn: 8 tens and 5 ones.

    1.How much are 8 tens worth?

    Remember

    In a two-digit number, the left digit counts the tens and the right digit counts the ones.

    Have a go

    Have a go: 9 tens and 2 ones

    Ready to practise?

    Eight questions on what you have just read. Nothing is timed, and you can play as many times as you like.

    Print a worksheet