Code breakers for Kids: Free Printables by Year Group
There are 6 free code breakers on this page for Year 1, Year 5, Year 6 and Year 7. 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.
Skills these sheets practise
Across this collection children practise: reading clues, properties of materials, code breaking, naming forces, decoding and spelling.
Year 1 code breakers
1 free printable. All Year 1 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
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 6 are free to print for home, classroom and home education use.
Which year groups are they for?
They cover Year 1, Year 5, Year 6 and Year 7.
Do the sheets include answers?
Answers are included on 5 of the 6 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 25 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 2026-11-09. Written by the Mini Minds Hub team at Jaques of London.