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Grade 1 addition and subtraction stories worksheets

1.OA.A.1 Word problems

Printable addition and subtraction stories worksheets for grade 1, aligned to Common Core standard 1.OA.A.1. Word problems within 20.

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Sample problems

These eight are one sample at medium difficulty — the generator makes a different set every time.

A worked example

Every problem on the answer key can show its steps like this — turn on “Show steps” before downloading.

About these worksheets

The wording stays familiar while the numbers change, which is what makes the method stick rather than the answer. Every sheet is generated fresh, so you can print a new one on the same skill as often as you need — different numbers, same difficulty.

Pick how many problems you want and whether they should be easy, medium or hard, then download a PDF with a matching answer key. The key can show the worked steps for every problem, which is what a parent needs to see where a wrong answer went wrong.

More grade 1 worksheets

Number and operations

• Adding within 20
• Subtracting within 20
• Missing addend
• Ten more, ten less
• Adding multiples of ten
• Tens and ones
• Comparing 2-digit numbers
• Add a 1-digit number to a 2-digit number
• Subtracting tens
• Fact families
• Doubles and near doubles
• True or false equations

Measurement and geometry

• Telling time to the hour

Fractions and decimals

• Halves and fourths

All 15 grade 1 skills