Find the number or expression that is not like the others. Practice basic facts. Think with patterns. Have fun!
|HOW TO PLAY
Select Level: 1, 2 or 3
Each Game has 5 Puzzles
Each Puzzle has up to 2 points
Level 1: Number properties
Level 2: Patterns in addition and subtraction
Level 3: Patterns in multiplication and division
With thanks to Jerome Bruner and his work on Concept Formation (understanding that different concepts have different attributes) and Concept Attainment (understanding how the attributes determine what belongs and what does not).