
Complete the subtraction sentence - up to 20
Free printable Grade 1 math worksheet for "Complete the subtraction sentence - up to 20" — practice complete the equation. No-prep, print or assign online.
This worksheet provides practice for Grade 1 students to complete subtraction sentences with numbers up to 20. Teachers can use this resource to reinforce students' subtraction skills and improve their number sense. Ideal for classroom activities or homework, it supports developing fluency in basic subtraction equations.
Learning objectives
- Identify missing numbers in subtraction sentences up to 20
- Complete subtraction equations by filling in the blanks
- Demonstrate understanding of subtraction concepts 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 subtraction sentence - up to 20” worksheet free?
Yes. “Complete the subtraction sentence - 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.
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