Sum Slinger

Catapult math for two players. Launch a number, hit a target, and add them up. Highest total after the last round wins.

Shots per player
Math
Numbers
How to play
  • Players take turns. Drag the ball back on the catapult and let go to launch it.
  • Each target has a number. Your ball carries an operation and a number. When you hit a target, target (operation) ball is added to your score.
  • Add, ball −5: hit 10 and you get 10 + (−5) = +5; hit −10 and you get −15. Subtract, ball −4: hit 10 and you get 10 − (−4) = +14. Multiply, ball −2: hit −6 and you get +12. Power x²: hit −7 and you get +49.
  • Mixed uses a different operation each round. Both players get the same ball and targets in a round.
    • A miss scores nothing. After the last round, the higher total wins.
    Player 10
    Round 1 of 5
    0Player 2
    +5

    Drag the ball back, then let go.

    Turn your phone sideways for a bigger field.

    Turn your phone sideways for a bigger field.

    Game over

    Player 1 wins!

    Player 10
    Player 20

    Shot by shot