
Add by counting on - sums to 20
Free printable Grade 2 math worksheet for "Add by counting on - sums to 20" — practice addition strategies: one digit. No-prep, print or assign online.
This worksheet provides targeted practice for second-grade students to enhance their addition skills by counting on, focusing on sums up to 20. Teachers can use this resource to reinforce addition strategies and build students' confidence in mental math. The exercises encourage the use of counting on techniques, supporting the development of foundational arithmetic fluency.
Learning objectives
- Demonstrate the ability to add one-digit numbers by counting on up to sums of 20
- Apply counting on strategies to solve addition problems efficiently
- Develop fluency in addition facts within 20 using counting on 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 2; 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 to 20” worksheet free?
Yes. “Add by counting on - sums 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 2 (ages 7–8), covering Addition strategies: one digit.
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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