Add by counting on - sums up to 20
Free printable Grade 1 math worksheet for "Add by counting on - sums up to 20" — practice addition strategies up to 20. No-prep, print or assign online.
This worksheet provides targeted practice for Grade 1 students to strengthen their addition skills by counting on, focusing on sums up to 20. Teachers can use these exercises to reinforce incremental addition strategies and improve students' number sense and mental math abilities. Ideal for classroom activities or homework, it supports foundational math learning with clear, scaffolded problems.
Learning objectives
- Demonstrate the ability to add numbers by counting on within sums up to 20
- Apply counting-on strategies to solve addition problems accurately
- Build fluency in addition facts up to 20 using incremental counting methods
Answer Key
How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 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 “Add by counting on - sums up to 20” worksheet free?
Yes. “Add by counting on - sums up to 20” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.
What grade or age is this Math worksheet for?
It's designed for Grade 1 (ages 6–7), covering Addition strategies 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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