Super Stacker Instructions
Click to place the shapes. Don't let them fall off the screen! Your stack must survive 10 seconds or until the shapes feel happy that they won't fall. Right click for sound options.
Click to Play
Common Core State Standards
CCSS.Math.Practice.MP1 Make sense of problems and persevere in solving them. CCSS.Math.Practice.MP7 Look for and make use of structure.