MathsByColour ← All levels
Ages 4–7 · numbers to 100

Base 10: tens and ones

If your child is finding their feet with two-digit numbers, adding and taking away, this is the place to start.

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Learning to count is one of the most important skills in maths. It is the foundation for nearly everything else we learn. To count larger numbers and to have them make sense, we need to start using different building blocks. Tens and ones are the beginning of that journey and allow children to start to notice a new structure in numbers. This not only makes it possible to count to higher numbers but makes them, and the process, more meaningful to children because they are actively building rather than just remembering.

1

Play, free

Meet the worm. Its body is the number, so your child reads it straight off the hundred square as tens and ones.

Play the worm game
2

Practise, free

Printable worksheets that turn the idea into a few minutes of play. Pop your email in and we will send them over.

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3

Keep it going all summer

100 Squares of Summer is the home kit: a hundred-square poster, number stickers, base-10 blocks and the app, about two to three minutes a day. £45, with your choice of an A1 or A0 poster.

See the summer kit