Add game to your favorites This is an addition and subtraction mathematics game centered on multiples of the number 5. Form base 5 numbers by fusing the number on the bottom center with a number somewhere in the grid. Base 5 numbers are positive or negative multiples of 5. No, 0 doesn’t count. You only earn points if you successfully make a number in base 5. Overall Design Difficulty Replay Play Base 5 Game Online 2f1y3i

Children and parents can play this addition and subtraction game by clicking in the window below.

Alternatively kids and adults can play this arithmetic practice video game for free as a web application here.

Base 5 Math Game for Kids Video Game Play Instructions 3s1r2

• Starting the Game
  • Left click or tap to load the welcome screen.
  • On the welcome screen:
    • Select the play button at the center to begin.
    • Select the speaker button at the top right corner to turn the game’s sounds on and off.
  • Your web browser automatically saves your game progress and high score.
    • You can view your previous high score on the center of the welcome screen.
    • Select Hold here to reset your score to clear your previous saved high score.
• Game Controls
  • Desktop
    • With your mouse, left click on a number on the grid to select it.
  • Touchscreen devices
    • Tap on a number on the grid with your fingers to select it.
  • Controls and indicators
    • Top row (left to right):
      • Grid button: Quits the game and returns you to the welcome screen
      • Reset button: Returns everything to the way it was at the start
      • Top center (top-down):
        • Current score
        • Best score
        • Timer
      • Enlarge button: Lets you switch between windowed and full screen mode
      • Speaker button
    • Bottom row (top-down):
      • Current number
      • Next number
• Game Play
  • Basic rules
    • Form base 5 numbers by adding the number on the bottom center to any numbers on the grid.
      • A base 5 number is a multiple of 5 (5, 10, 15, 20).
        • As a rule, base 5 numbers end with a 5 (25, 35, 45…) or a 0 (10, 50, 100…).
        • These can be both positive (5, 10, 15…) or negative (-10, -15, -30…).
      • For the purposes of this game, 0 cannot count.
      • Choose a number from the grid to add to the number at the bottom.
        • If you choose one that forms a base 5 number, it is removed from the grid and replaced by a new one.
        • If it doesn’t, the new number formed stays. You can use it to make a different base 5 number if you want.
    • Make as many base 5 numbers as you can before the timer runs out.
      • The timer starts when you select any number on the screen.
  • Scoring
    • You earn a point for every base 5 number you make.
    • Your best score is shown below your current score on the game screen.
• Target Audience
  • The game is suited for players who like mathematics games.
  • The game has no adult themed content.

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