
Adding 9
Free printable Grade 1 math worksheet for "Adding 9" — practice addition up to 20. No-prep, print or assign online.
This worksheet provides practice for first-grade students to add the number 9 to various numbers up to 20. Teachers can use it to reinforce addition skills and improve fluency with sums involving 9. It supports developing number sense and mental math strategies in early learners.
Learning objectives
- Add the number 9 to other numbers within 20 accurately.
- Demonstrate understanding of addition facts involving 9.
- Solve addition problems that include adding 9 with confidence.
Answer Key

How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 25 downloads a month).
- 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.
Frequently asked questions
Is the “Adding 9” worksheet free?
Yes. “Adding 9” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 25 downloads a month.
What grade or age is this Math worksheet for?
It's designed for Grade 1 (ages 6–7), covering Addition up to 20.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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