Maths Worksheets
Create printable arithmetic practice sheets with answers.
Education
Mental Maths Worksheet Generator
Create custom printable mental arithmetic worksheets for Primary School (Year 1–6 / KS1–KS2) with instant PDF, Word, and answer key export.
Your worksheet studio
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1. Worksheet Header Details
2. Choose Problem Type (18 Topics)
3. Difficulty Level
Worksheets are generated locally in your browser. Print directly or export to PDF and Microsoft Word (.docx).
About Mental Maths Worksheets
Regular mental arithmetic practice builds number sense, calculation fluency, and classroom confidence across Key Stage 1 (Years 1–2) and Key Stage 2 (Years 3–6). Use short 5-minute daily warm-ups to reinforce core number facts before moving on to multi-step problem solving.
What problem types are included in this generator?
You can generate worksheets for 18 distinct primary maths topics: Addition, Subtraction, Times Tables, Division Facts, Number Bonds (to 10, 20, and 100), Missing Numbers, Doubling & Halving, Number Sequences, Comparing Numbers (>, <, =), Word Problems, Place Value, Rounding, Fractions, Money (£ and p), Telling Time, Percentages, Square Numbers & Roots, and Negative Numbers.
How do the Easy, Medium, and Hard difficulty levels work?
Easy (Year 1–2 / KS1) focuses on numbers up to 10–20, 2×/5×/10× tables, halves, o'clock times, and coins. Medium (Year 3–4 / Lower KS2) expands to numbers up to 50, tables up to 10×12, quarters, 15/30/45-minute intervals, and 10%/25%/50% percentages. Hard (Year 5–6 / Upper KS2) challenges learners with numbers up to 100+, up to 12×12 tables, rounding to 100, fifths/tenths, and multi-step mental calculations.
Can I print or download an answer key for marking?
Yes! Every generated worksheet has matching Print Answers, PDF + Answers, and Word + Answers buttons, plus an instant Show Answers in Preview checkbox so you can mark student work in seconds.