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
Recommended For
Grade 1, Grade 2, Grade 3, Grade 4Warm-Up
Play "Subtraction Equation Match-Up"! Write different subtraction problems and their answers on separate index cards. Mix up the cards, and then challenge the student to match each problem with its correct answer as quickly as possible.Play these games:
Follow-Up
Complete a subtraction puzzle! Cut a picture or message into puzzle pieces. Ask the student to solve the subtraction problem on each piece before adding it to the puzzle. Once all problems are solved, the full picture is revealed!Play these games:
