Row & column equation grids — fill in missing operators. Mix +, −, ×, ÷.
Free online number grid puzzle maker. Every row and column forms a valid equation — mix +, −, ×, ÷, choose grid size and difficulty, and download printable PDF worksheets with answer key. Free to start; upgrade for watermark-free exports.
Generate unlimited number grid puzzles where every row and every column forms a valid equation. Pick any mix of +, −, ×, ÷, choose 3×3, 4×4, or 5×5 grids, hide operators, and download print-ready PDF worksheets with a matching answer key. 100% free for teachers, parents, and math puzzle fans.
Every horizontal and vertical line is a real equation — double the practice in one compact grid.
Mix +, −, ×, ÷ freely, or focus on a single operation for targeted practice.
Tiny daily warm-ups or full math puzzle books — flexible page layouts with auto-paginated answer keys.
From blank page to printable worksheet in under a minute.
Easy = 3×3 with small numbers, Medium = 4×4 with chained equations, Hard = 5×5 with larger numbers.
Tick any combination of +, −, ×, ÷ — the generator only uses what you pick.
Slide from 0% to 80% to control how many operators are blanked out for students to fill in.
1 for large-print, 2/4/6/9 for compact worksheets and puzzle books.
Create up to 50 pages at once — duplicates are automatically filtered out.
Export puzzles only, answers only, or both — A4 or US Letter.
Quick mental-math drills that work rows and columns at once.
A fresh twist on arithmetic practice — more engaging than plain worksheets.
Self-publish number puzzle books with bundled answer keys.
Handouts that target specific operations on demand.
Endless number grids — easy to hard, infinite variety.
Print-ready packets for math clubs and centers.
If you have an active membership plan, you may use the generated worksheets and puzzles for commercial purposes — including selling them to end users on Etsy, Amazon KDP, TPT (Teachers Pay Teachers), WooCommerce & more.
Free plan: personal & classroom use with a subtle PDF watermark. Paid plans (Basic, Pro, School) unlock watermark-free exports and royalty-free resale on TPT, KDP, Etsy & more.
Free use, watermarks, download limits, AI credits, and commercial licensing — explained clearly.
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