Math
Worksheet

Missing Number Addition to 20 Worksheet

This worksheet presents a set of addition equations where one number is missing.

About this worksheet

Learning objectives

  • Math skills

    Children understand number relationships within sums up to 20.

Skills developed

addition skills
number sense
problem solving
logical thinking
early math reasoning

Simple teaching tips

Ask the child to read each equation carefully before answering
Encourage them to think about what number completes the sum
Allow the use of fingers or counting tools if needed
Review answers together to reinforce understanding
Missing Number Addition to 20 Worksheet