Math worksheets – Grade 1

238 worksheets

Here are 238 free math worksheets for Grade 1, curated for this age group. The exercises build counting, arithmetic, and early number sense; every worksheet is available as a printable PDF with an answer key — or playable online right away, no sign-up required.

Practice online – interactive exercises →

First grade is where arithmetic within 20 becomes fluent and where children meet the clock. This page gathers math puzzles that practice addition and subtraction through symbol-substitution riddles, telling-time sheets for full and half hours, picture arithmetic, number charts, simple graphs, and first measurement pages that order objects by length.

The math puzzles deserve a special mention: instead of bare equations, children solve for symbols that stand for numbers, which quietly introduces algebraic thinking while staying firmly inside grade-1 number ranges. Print any sheet as a PDF with its answer key, or let your child solve it online with instant checking — free, no account.

Last updated July 31, 2026

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Frequently asked questions

How can my first grader practice telling time?
Start with the full-hour clock sheets, then move to half hours. Each sheet shows analog clock faces to read or set, and the interactive version lets children check each answer immediately.
Are these worksheets aligned with what grade 1 covers at school?
The sheets stay inside the classic grade-1 range: addition and subtraction within 20, reading clocks to the half hour, simple charts, and comparing lengths — the core of first-grade math almost everywhere.
What if a sheet is too hard or too easy?
Use the grade links on this page to step down to Kindergarten or up to Grade 2 — the same exercise families continue across levels, so children keep a familiar format while the numbers grow.