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.
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.
It
All Adds Up -- Puzzle #1 
