Addition and subtraction sentences to 20: which is true?
Free printable Grade 1 math worksheet for "Addition and subtraction sentences to 20: which is true?" — practice true or false equations. No-prep, print or assign online.
This worksheet presents students with addition and subtraction sentences up to 20, asking them to decide which equations are true or false. Teachers can use this resource to reinforce students' understanding of basic arithmetic and improve their critical thinking skills. Ideal for Grade 1 math lessons focusing on number operations and equation validation.
Learning objectives
- Identify true and false addition and subtraction sentences within 20
- Evaluate mathematical statements to determine their accuracy
- Develop number sense by comparing sums and differences up to 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 “Addition and subtraction sentences to 20: which is true?” worksheet free?
Yes. “Addition and subtraction sentences to 20: which is true?” 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 True or false equations.
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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