Year 1 maths

England · ages 5–6

Counting, reading and writing numbers to 100, and adding and subtracting within 20.

What is expected

  • Count to and across 100, forwards and backwards, from any number
  • Read and write numbers to 20 in numerals and words
  • Add and subtract one-digit and two-digit numbers to 20
  • Know the number bonds to 10 and start on the bonds to 20
  • Count in twos, fives and tens

A summary of typical expectations, not an official curriculum document. Your child’s school is the authority on what they are covering.

Practise it

Number facts are the part that has to be automatic — everything else in the year is slower and harder without them.

Year 1 maths — what they should know, and free practice · Mathy Kids