Hi kids, it’s time for a little game of subtraction. It’ll be a lot of fun.
The right side is the result number, the right side is a couple of bricks with a number on each brick. Choose 2 bricks so that the 2 numbers added equal the right-sided number. Then these 2 bricks will vanish in a blink of an eye.
Here comes your challenge: remove all the brikcs away in the limited time. And you’ll enter the next higher level.
This game will enable kids to enjoy practising their subtraction. Practice makes perfect, even for mathematics.