Word problems with sum or difference unknown - up to 20
Free printable Grade 1 math worksheet for "Word problems with sum or difference unknown - up to 20" — practice addition and subtraction word problems up to 20. No-prep, print or assign online.
This worksheet provides grade 1 students with medium-difficulty word problems focused on addition and subtraction within 20. Teachers can use it to reinforce students' problem-solving skills by identifying unknown sums or differences in practical contexts. It supports development of foundational arithmetic fluency and critical thinking in early math learners.
Learning objectives
- Solve addition word problems with unknown sums up to 20
- Solve subtraction word problems with unknown differences up to 20
- Apply addition and subtraction strategies to real-world scenarios
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 “Word problems with sum or difference unknown - up to 20” worksheet free?
Yes. “Word problems with sum or difference 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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