C Curriculum Explorer
Mathematics·Number Representation & Place Value·procedural

Reading and writing numbers to 20

Read and write numerals from 0 to 20

Suggested ages 5–6

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Learning journey

Your child is building number foundations — learning to read and write numbers up to 100, understanding number words, and beginning to see how numbers are built from tens and ones.

Evidence of understanding

  • Read any numeral 0–20 when shown it
  • Write numerals 0–20 legibly from dictation
  • Represent a number of objects with the correct written numeral

Assessment prompt

Can Reading and writing numbers to 20 read a number like '17' written on paper and write it themselves — and do they know what each digit means?

Standards alignment

K.CC.3US · ccss-math

Write Numbers 0 to 20

Common Core State Standards for Mathematics · K

Maths/Y1/NPV/5GB · uk-nc-2013

Read and write numbers to 20

The national curriculum in England: Key stages 1 and 2 framework document · Key Stage 1