KiwiBee printable
Adding 10
Free printable Grade 1 math worksheet for "Adding 10" — practice addition up to 20. No-prep, print or assign online.
This worksheet focuses on adding 10 to numbers up to 20, helping first graders build confidence in basic addition. Teachers can use it to reinforce number sense and addition fluency through targeted practice. Ideal for classroom exercises or homework, it supports skill development in addition within 20.
Learning objectives
- Add 10 to numbers up to 20 with accuracy
- Recognize patterns when adding 10 to single-digit and two-digit numbers
- Develop mental math strategies for adding 10 quickly
Answer Key

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