1 Less / 1 More – Numbers to 20

EYFS, 4-5 Years
Maths National Curriculum aligned
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  • Used in UK classrooms
  • Print-ready A4
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Use the number line to help you find 1 less or 1 more.

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EYFS and KS1 number worksheet that helps Reception and Year 1 children find the number that comes before and after a given number up to 20, using a printed number line for support.

A number line from 1 to 20 sits at the top of the page for reference. Children read each “your number” value in the middle column (covering 4, 9, 7, 10, 16, 12, 8, 2, 19 and 15) and write the number that is 1 less in the left column and the number that is 1 more in the right column. The mix of low, mid and high numbers builds confidence across the whole 1 to 20 range.

Useful for daily counting practice, classroom intervention or homework on number bonds. Find more counting practice in our addition worksheets for EYFS ages 4 to 5. Printable PDF, A4, downloads instantly after purchase.