Knowing doubles and halves of numbers is a useful mental maths skill for everyday life, so get the kids practising them with the help of our printable activities - starting with sets of our quick-to-print-and-assemble flash cards!

Use this blank sheet to practise doubling. You could laminate the page and use it with a set of counters and a dry wipe pen, leaving your child to work by themselves or perhaps filling in one of the boxes yourself and asking them to work out how to fill the rest.
Each of the pages in this pdf file contains one doubling problem for children to solve - a perfect way to get kids started. Count the existing spots, draw the same number again, and then write the sum underneath.
Learn to double 1, 2, 3, 4 and 5 with this colourful butterfly worksheet. Counting the dots first on the left and then on the right will help them to understand.
Draw symmetrical dots onto the butterflies and then write the answer to the problem below - doubles from 1 to 6.
The dotty butterflies on this 2-page worksheet will help the kids learn their doubling facts from 1 to 20.
These useful flash cards drill "doubles" in addition format and print 2 per A4 sheet. You can use them as matching cards, or turn them into double-sided flash cards by folding in half and gluing together.
This colourful set of folding double-sided flash cards (or matching cards) gives children practice at doubling numbers, presenting each in addition format: 1+1=2, 2+2=4 and so on.
Here are two sets of large "doubles" flash cards, taking the kids up to "double 50". Designed to be used in front of the class, each flash card prints on an A4 page and is folded and glued to make double-sided cards.
Learn the "doubles" of numbers up to 50 with the help of these small flash cards or matching cards. For flash cards, fold in half and glue to make them double-sided.
In this guest post Shelly writes about revising maths facts using printable maths cards from Activity Village.
This simple worksheet asks children to work out what half and double of each set of flowers is, and then either draw the answer or write the correct number.
These large flash cards help the kids to learn "halves" of numbers up to 100. Fold along the horizontal line and glue together before cutting around the edges.
These flash cards help to "drill" children on halves of numbers up to 100. We've designed them to be quick to print and put together - simple fold in half along the vertical line and glue back to back, then cut around the outside edges.