There are 13 free code breakers on this page from Reception to Year 9. Code breakers build logic and pattern spotting. Children decode a message using a key. Every sheet is made by Jaques of London: two A4 pages, with the activity on page 1 and notes for the grown-up on page 2.

Ages 4 to 14Reception to Year 9
13 free printablesmaths, english, science and computing
15 to 40 minutesfor most sheets
Answers on 12notes for the grown-up on every sheet
Screen freepaper and a pencil

Skills these sheets practise

Across this collection children practise: following a code, reading clues, reading rhythm patterns, spelling, reading words and properties of materials.

Reception code breakers

1 free printable. All Reception worksheets

Year 1 code breakers

2 free printables. All Year 1 worksheets

Year 2 code breakers

2 free printables. All Year 2 worksheets

Year 3 code breakers

1 free printable. All Year 3 worksheets

Year 5 code breakers

1 free printable. All Year 5 worksheets

Year 6 code breakers

1 free printable. All Year 6 worksheets

Year 7 code breakers

2 free printables. All Year 7 worksheets

Year 8 code breakers

1 free printable. All Year 8 worksheets

Year 9 code breakers

1 free printable. All Year 9 worksheets

More code breakers

1 free printable.

Questions parents and teachers ask

What are code breakers good for?

Code breakers build logic and pattern spotting. Children decode a message using a key.

Are these code breakers printables free?

Yes. All 13 are free to print for home, classroom and home education use.

Which year groups are they for?

They cover Reception, Year 1, Year 2, Year 3, Year 5, Year 6, Year 7, Year 8 and Year 9.

Do the sheets include answers?

Answers are included on 12 of the 13 sheets. The rest are open tasks, and page 2 explains what a good answer looks like.

How long does each sheet take?

Most take 15 to 40 minutes. Each sheet is two A4 pages. Page 1 is the activity and page 2 has notes for the grown-up.

Can teachers use them in class?

Yes. They work as starters, plenaries, early finisher tasks, homework or table activities, and need no preparation beyond printing.

Do I need a colour printer?

No. Black and white printing is fine for almost every sheet.

Last updated 2026-11-10. Written by the Mini Minds Hub team at Jaques of London.