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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” and sign in with Google or email to get the PDF instantly.
- 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.
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