Complete the addition sentence - sums up to 20
Free printable Grade 1 math worksheet for "Complete the addition sentence - sums up to 20" — practice complete the equation. No-prep, print or assign online.
This worksheet helps students practice completing addition sentences where the total sum is up to 20. Teachers can use it to reinforce students' understanding of number bonds and addition strategies. It supports skill development in recognizing missing parts of addition equations and improves fluency with sums within 20.
Learning objectives
- Identify missing addends in addition sentences with sums up to 20
- Complete addition equations by filling in the correct 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 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 “Complete the addition sentence - sums up to 20” worksheet free?
Yes. “Complete the addition sentence - 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 Complete the equation.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
Make it your own in the Worksheet Studio
Combine this with other worksheets, duplicate it, or generate a fresh version for any grade and language — free, no sign-up.
Open the Worksheet StudioMore for Grade 1
You might also like
Christmas Counting Dot-to-Dot
Christmas Counting Color by Number
Christmas Addition Color by Number
