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Maths · Number track worksheet

Counting in 3s Worksheet: Free Year 2 Maths with Answers

This free, printable worksheet helps children practise counting in 3s. Each number track has three numbers missing. Children count forwards in 3s on the first three tracks and backwards on the last three.

It prints on one A4 page, and the answers print on a second page for grown-ups.

Years 2–3 · ages 6–8KS1Free to printFree to shareSheet 59

What your child is learning

‘count in steps of 2, 3, and 5 from 0, and in tens from any number, forward and backward’

Year 2 Maths: Number – number and place value, National Curriculum in England. Source and licence

Counting in 3s

Free Maths worksheet · Ages 6 to 7

Name:

A cartoon frog leaping along a row of lily pads in a pond, drawn as black outlines on white for colouring in.

Count forwards in 3s

Write the missing numbers on each track.

031215
9151824
15182133

Count backwards in 3s

These tracks go down in 3s. Write the missing numbers.

36332724
30241512
18930

Answers: Counting in 3s

Sheet 59

Row 1: 6, 9, 18
Row 2: 12, 21, 27
Row 3: 24, 27, 30
Row 1: 30, 21, 18
Row 2: 27, 21, 18
Row 3: 15, 12, 6

For grown-ups. Free worksheets and the Owee quiz app at owee.world

Answer key

Row 1: 6, 9, 18
Row 2: 12, 21, 27
Row 3: 24, 27, 30
Row 1: 30, 21, 18
Row 2: 27, 21, 18
Row 3: 15, 12, 6

Patterns in the 3s count

Counting in 3s from 0 lands on 3, 6, 9, 12, 15, 18 and so on. Colour these numbers on a hundred square and they make diagonal lines across the grid. The numbers also take turns at being odd and even: 3 is odd, 6 is even, 9 is odd, 12 is even.

How to help at home

Jump along a number line or a hopscotch path in 3s, saying each number as you land. Or count out loud together, whispering the in-between numbers and saying every third one loudly: one, two, THREE, four, five, SIX. When counting forwards feels easy, start at 30 and count back in 3s to 0.

Why it matters

Counting in 3s in Year 2 prepares children for the 3 times table in Year 3. It also supports their first work on thirds, because sharing into 3 equal groups uses the same idea.

Frequently asked questions

When do children learn to count in 3s?

Counting in 3s is part of Year 2, when children are 6 to 7. The National Curriculum in England asks them to count in steps of 2, 3 and 5 from 0, forwards and backwards.

Why do the tracks start at different numbers?

So that children practise from the middle of the count, not only from 0. Every track starts on a multiple of 3, so all the numbers are in the 3s count.

Is this worksheet really free?

Yes. Print it, save it as a PDF or share it with other parents and teachers. There is no sign-up and no email needed.

Curriculum links

Year 2 Maths: Number – number and place value (statutory): 'count in steps of 2, 3, and 5 from 0, and in tens from any number, forward and backward'

Quoted word for word from Department for Education documents: the National Curriculum in England, the EYFS framework or the RSHE guidance. Contains public sector information licensed under the Open Government Licence v3.0.

Made by The Owee education team. Updated 13/10/2026. Free to print and share.