Cannon Ball

Instructions
STEP 1
Click the big Start button in the center to start the game.
Content Skill: Subtraction
Common Core State Standards: CCSS.Math.Content.2.OA.B.2 - Fluently subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Educator Info
Game Info
Cannon Ball lets students practice subtraction through a physics-based game! Players solve eight subtraction problems to unlock the game and use strategy to aim and launch their shots.Skills Practiced
Subtract within 20
Fluency with subtraction facts
Commutative property of subtraction