The It All Adds Up puzzle is a weekly feature of Education World. Perfect for homework or in-class, the puzzle challenges students to find the missing numbers so every column, row, and diagonal adds up.
Click for a PDF (portable document format) printable version.
Click for the answers to this week's puzzle.
Click to download Adobe Acrobat Reader.
Click for It All Adds Up puzzles from previous weeks.
This activity is ideally suited for students in grades 3-8. Teachers in other grades can create "It All Adds Up" number puzzles that are easier or more difficult than this one. Use DiscoverySchool.com's Number Blocks Puzzle tool to create those puzzles.
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