Subtraction

Practice subtraction or minus with a skill training math game. Can you subtract and find the difference between two numbers?

Game instructions for subtraction

Choose a number from the buttons above. This will give you up to ten tasks where you have to find the difference between the two terms. Can you solve all the subtractions in a level, you will get one knowledge points and the button for that level turns green.

Subtraction in the language of mathematics

Subtraction belongs to the four basic rules of arithmetic and the correct way of talking about it to subtract.

A term subtracted from another term forms a difference:

7	-	5	=	2
term	-	term	=	difference

Calculation of knowledge points

Each completed game level gives 1 knowledge point in Subtraction. The maximum number of points (35 knowledge points) is achieved when you pass all 35 levels. You'll get a bronze medal when you complete a level 2 times and a silver medal after 5 completed rounds. A gold medal will be received after 10 completed rounds. In Subtraction, the maximum number of collectable gold medals is 35. You only earn knowledge points for levels that has not been cleared before. A cleared level has a green background above. Even when you have completed a level, you can continue practicing at that level, but it gives you no more knowledge points.

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