Free Mental Math Worksheets — Grade 1 (Addition & Subtraction within 10)
Generate fresh mental math worksheets for Grade 1 students: addition and subtraction with numbers up to 10. Each worksheet is randomly generated, so you always get a new set of problems. Perfect for daily math practice, homework, or classroom drills.
✨ 100% free · Instant PDF · No sign-up needed
🖨️ Generate my Grade 1 Math WorksheetWhy use this worksheet?
Grade 1 aligned
Addition and subtraction within 10, matching standard Grade 1 math curriculum across US, UK, and Canada.
Unlimited unique worksheets
Hit "Refresh" for a completely new set of problems. Never the same worksheet twice.
10 to 40 exercises
Choose the right amount for your lesson: a quick 10-problem warm-up or a full 40-problem practice session.
Score line included
Each worksheet has a score line at the bottom: ___/N, ready for grading.
How to use it?
- 1Select the "CP" (Grade 1) level in the generator
- 2Check the operations you want: addition and/or subtraction
- 3Choose the number of exercises (10, 20, 30 or 40)
- 4Enter the child's name (optional)
- 5Download and print the PDF worksheet
Frequently asked questions
What operations are available for Grade 1?
For Grade 1 (CP level), the generator offers addition (0+0 to 9+1) and subtraction (0 to 10). Multiplication is available from Grade 2 onwards.
How many exercises per session for a Grade 1 student?
At the start of Grade 1, 10 problems is ideal (5-8 minutes). By mid-year, 20 problems is standard for a mental math session.
Can I use this in the classroom?
Absolutely. The worksheet prints cleanly on A4 or US Letter and is designed for both home and classroom use. The 2-column format fits 20 problems on half a sheet.
Does the worksheet show the answers?
No, only the student version is generated. Use a calculator or the generator itself (generate the same problems) to check answers during correction.