Free Doubles to 20 Poster for KS1
Help children spot, say and remember the doubling facts from double 0 to double 10 with this colourful A4 Year 1 maths printable.
Printing tip: Select A4 portrait and print at 100% or “actual size”. The print button isolates the poster so the surrounding article will not create extra pages.
What are doubles in KS1 maths?
Doubling means adding a number to itself or making two equal groups of the same size. Double 4 is 8 because 4 + 4 = 8. Children may also hear “twice four”, which describes the same relationship. This free doubles to 20 poster brings those different forms together in one clear visual reference.
The printable begins with 0 + 0 and continues to 10 + 10. Younger children can concentrate on the small-number doubles first. Year 1 pupils can then extend the pattern through double 10 as their confidence grows.
How this doubles poster helps children
The facts are arranged in numerical order so children can notice the structure rather than treating each answer as an isolated fact. As the starting number rises by one, the doubled answer rises by two. That is why all the answers are even numbers: 0, 2, 4, 6, 8 and so on.
Small visual groups appear beside the earliest facts, helping children connect the written calculation with actual quantities. The larger doubles include the spoken form, such as “7 twice makes 14”. This encourages flexible mathematical language while keeping the A4 poster uncluttered enough to read from a wall or desk.
Use objects first
Build two equal groups with counters, buttons or bricks. Count one group, copy it exactly, and then count the total. Ask the child what makes the groups fair or equal.
Move towards recall
Let the child refer to the poster at first. Later, cover an answer and ask them to work it out. The goal is confident understanding followed by increasingly quick recall.
Five quick doubling activities
- Mirror the group: place three counters on one side of a line and ask the child to make the same group on the other side.
- Roll and double: roll a die, double the number and check the answer on the poster.
- Cover an answer: hide one poster card with a sticky note and ask which total is missing.
- Say it three ways: practise “double 6”, “6 + 6” and “twice 6” before giving the answer.
- Find the neighbour: use a known fact to solve a nearby one. If double 5 is 10, double 6 must be two more, which is 12.
Using known doubles to solve other additions
Secure doubles are useful beyond questions that contain two identical numbers. They provide a foundation for near doubles. If a child knows 6 + 6 = 12, they can reason that 6 + 7 is one more, so the answer is 13. Similarly, 8 + 7 is one less than double 8, giving 15.
This reasoning matters because mental maths is not only about remembering answers. Children learn to select a fact they already know and adjust it. Encourage them to explain the link aloud: “I know double 7 is 14, so 7 + 8 is 15.”
Frequently asked questions
What age is the doubles to 20 poster for?
It is aimed mainly at children aged about 5–7, especially Year 1 and early KS1 learners. Some Reception children may enjoy exploring the smaller doubles with objects.
Is double 0 included?
Yes. Zero plus zero equals zero. Including it keeps the numerical pattern complete and provides a useful discussion point.
What is a near double?
A near double is an addition with numbers one apart, such as 5 + 6. A child can use double 5, which is 10, and add one to find 11.
Can I use the poster in a classroom?
Yes. You may print it for personal, home-education or classroom use. Please do not sell the file or upload the printable itself to another website.
