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KiwiBee printable

Adding 1

Free printable Grade 1 math worksheet for "Adding 1" — practice addition up to 20. No-prep, print or assign online.

This worksheet focuses on adding 1 to numbers up to 20, helping students strengthen their addition skills and number sense. Teachers can use it as a practice tool to reinforce counting and simple addition concepts in Grade 1 classrooms. It supports skill-building in addition up to 20 through engaging, medium-difficulty exercises.

Math
Number Sense & Operations
Grade 1
Worksheets
Ages 6–7
medium

Learning objectives

  • Recognize numbers up to 20 and add 1 to each number accurately
  • Demonstrate understanding of basic addition by solving problems involving adding 1
  • Develop number sense and fluency with addition facts within 20

Answer Key

Answer key for Adding 1 — free printable Math worksheet

How to use this worksheet

  1. Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
  2. Print at home or in class for Grade 1; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

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