
Complete the addition sentence - sums to 20
Free printable Grade 2 math worksheet for "Complete the addition sentence - sums to 20" — practice addition: one digit. No-prep, print or assign online.
This worksheet provides practice for Grade 2 students to complete addition sentences where the sums equal 20. Teachers can use it to reinforce students' fluency with one-digit addition and develop their ability to find missing numbers in equations. Ideal for classroom exercises or homework, it supports skill-building in addition and number sense up to 20.
Learning objectives
- Identify missing addends in addition sentences with sums up to 20
- Complete addition sentences by filling in the correct one-digit numbers
- Demonstrate understanding of addition facts within 20
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 “Complete the addition sentence - sums to 20” worksheet free?
Yes. “Complete the addition sentence - 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: 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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