Colour By Code Worksheets for Teachers
Bring printable colour by numbers, letters and more foundational concepts into your classroom with fun worksheets created by teachers for teachers.
This collection of Australian curriculum-aligned teaching resources is designed to add an engaging element to your worksheets for maths, science, English and more! Best of all, each printable has been carefully reviewed and selected by an expert on the Teach Starter teaching team, so you know it's ready for your classroom, your lesson plans and your students!
Not familiar with the term colour by code, or just looking for some fresh ideas to use these worksheets in the classroom? Read on for a primer from our teacher team!
What Is a Colour By Code Worksheet?
Haven't heard the term colour by code? That's OK! Maybe you've heard of colour by numbers or colouring by maths? Or maybe you call them mystery picture worksheets?
These fun worksheets allow students to pull out their crayons or coloured pencils to colour a picture based on a predetermined colour key or code, where each colour corresponds to a specific number or symbol. The goal is to match the numbers or symbols on the picture with the corresponding colours to reveal a mystery picture.
Colour by code refers to not just colour by numbers but also colour by parts of speech, synonyms, addition and other educational concepts!

History of Colour by Numbers
Ever wonder how colouring by numbers became so popular?
The exact history of these sheets is hard to track down, but as far back as the early 20th century, people were 'painting by number' as a recreational activity. Then an activity mainly for adults, it involved painting pre-drawn canvases with numbered sections that corresponded to specific paint colours.
In the 1950s, an American artist called Dan Robbins developed a commercial version of the concept called 'Paint by Numbers' that helped the idea go mainstream and give life to what we now call colour by numbers in schools! His kits included pre-printed canvases, numbered paints and brushes, and his idea was soon adapted to make colouring books for kids.
In the versions for kids, numbers or symbols were added to line drawings instead of canvases, and young children could easily colour within the lines using crayons or coloured pencils!
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Number Recognition Worksheet - Sloth Colour-by-Number
Use the number colour coding on this colouring sheet to create a cute sloth-themed picture.
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Identifying Syllable Types - Worksheets
Practise breaking words into syllables and identifying the corresponding syllable types with this set of six worksheets.
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I Spy Syllable Types - Worksheets
Identify and colour words according to their syllable types with this set of six worksheets.
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2-Digit Addition Colour by Number - Halloween Mystery Picture
Celebrate the coming of Halloween and practise adding 2-digit numbers up to 99 with this set of Halloween mystery picture worksheets.
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Halloween Division Mystery Picture - Multi-Digit
Have a bit of Halloween maths fun with a division colour by number worksheet.
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Colour by Number - 7 x Multiplication Facts
An engaging activity to consolidate your students' understanding of multiplication facts.
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Colour by Number - 1 x Multiplication Facts
An engaging activity to consolidate your students' understanding of multiplication facts.
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Parts of Speech Word Search (Nouns, Adjectives and Verbs) – Worksheet
A word search where students find and categorise nouns, adjectives and verbs.
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Crazy Boxes – 11 Times Tables
A fun multiplication worksheet where students create a colour pattern using 11 times tables.
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Hundreds Board Mystery Picture Division Task Cards
A set of 32 activity task cards that require students to complete division problems and colour in a hundreds chart to reveal a mystery picture.
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Easter Addition Colouring Pages (Differentiated)
Grab a fun set of Easter Addition Colouring pages to help your little learners practise adding 1 and 2-digit numbers without regrouping.
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Gumball Compound Words Worksheet
Help your students learn to read and identify compound nouns with a printable colour-by-code worksheet.
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Year 3 and Year 4 English Worksheets - Christmas Printables
Add some Christmas spirit to your December grammar lessons with a printable pack of Christmas-themed Year 3 and Year 4 English worksheets.
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Christmas Colour By Number - One More or Less
Practise finding numbers that are one more and one less than with a printable Christmas colour-by-number worksheet.
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Remembrance Day Fact and Opinion Worksheet
Identify Remembrance Day facts and opinions with a printable colour-by-code worksheet.
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Halloween Shapes - Colour By 2D Shapes Worksheet
Don’t get too spooked while trying to identify 2D shapes with a printable Halloween Shapes Colour by Code worksheet!
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Trick or Treat Digraphs Worksheet
Sort Halloween Digraphs and colour them by code with a fun Halloween Phonics worksheet.
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Dot Day Colour By Number Printable - Upper Years
Integrate Dot Day concepts into your maths lessons with printable Dot Day Multiplication and Division colour-by-number worksheets.
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Continents and Oceans - Roll and Colour Game
Learn to identify the continents and oceans of the world with an engaging partner game.
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Colour by 2D Shape (Easter Egg)
An Easter-themed colour by 2D shape activity.
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Valentine-Themed Mystery Picture - Division Facts
Have fun with your Valentine’s Day Maths lessons with a division colour by number worksheet!
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Colour It! Good or Service Worksheet
Identify examples of goods and services with a colouring activity.
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100th Day Mystery Picture Worksheets
Follow the colour-coded number guides to fill in the hundreds chart square and reveal 3 special 100th Day of School mystery pictures.
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Christmas Colouring - Simple Multiplication Colour by Number
Boost multiplication skills even at the end of a school year with this colour by number multiplication worksheet set.
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Christmas Colouring - Simple Addition Colour by Number
Boost addition skills even at the end of a school year with this colour by number addition worksheet set.
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Gingerbread Colour the Vowels Worksheet
Use a Christmas-themed colour the vowels worksheet to help your students differentiate between long and short vowel sounds.
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Christmas Colour by Number Worksheets
Use knowledge of numbers to 10 to colour in these Christmas-themed colour by number worksheets.
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Colour By Shape Christmas Worksheets
Use knowledge of 2D shapes to colour in these Christmas-themed colour by shape worksheets.
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Christmas Colour By Number - Hundreds Chart Mystery Pictures Activity
Print the perfect maths activity for Christmas: a set of 12 Christmas-inspired mystery hundreds charts.
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I Spy CVCe Words - Worksheet
Identify words that contain the magic e with this printable black and white worksheet.
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Roll, Add and Colour - Easter Basket
A fun roll, add and colour sheet featuring an Easter basket.
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Roll, Add and Colour - Easter Bilby
A fun roll, add and colour sheet featuring an Easter bilby.