1-8 Math » . Addition and Subtraction » . Addition and Subtraction (up to 20)

Addition (up to 20)
Subtraction (numbers up to 20)
Braingenie | Addition and Subtraction (up to 20) | multiplayer

Multiplayer rules

A correct response adds 30 points. An incorrect response subtracts 10 points. The first player to get to 100 point wins.

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