Write number sentences for word problems with change unknown - up to 20
Free printable Grade 1 math worksheet for "Write number sentences for word problems with change unknown - up to 20" — practice addition and subtraction word problems up to 20. No-prep, print or assign online.
This worksheet provides practice in writing number sentences for addition and subtraction word problems where the change is unknown, focusing on numbers up to 20. Teachers can use it to reinforce students' understanding of problem structures and to develop their ability to translate word problems into mathematical expressions. Ideal for Grade 1 classrooms, it supports skill-building in early arithmetic and problem-solving strategies.
Learning objectives
- Write number sentences to represent addition and subtraction word problems with change unknown up to 20.
- Interpret word problems to identify the change unknown and formulate corresponding equations.
- Apply addition and subtraction skills to solve problems involving change unknown within 20.
How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 25 downloads a month).
- Print at home or in class for Grade 1; it's no-prep, with no extra materials needed.
- Hand it out as classwork, homework, or a quick warm-up.
Frequently asked questions
Is the “Write number sentences for word problems with change unknown - up to 20” worksheet free?
Yes. “Write number sentences for word problems with change unknown - up to 20” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 25 downloads a month.
What grade or age is this Math worksheet for?
It's designed for Grade 1 (ages 6–7), covering Addition and subtraction word problems up to 20.
Do I need to prep anything?
No. It's a no-prep, print-and-go worksheet — just download and hand it out.
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