# subtraction

Choose a level:
1
One term is 1
2
One term is 2
3
One term is 3
4
One term is 4
5
One term is 5
6
One term is 6
7
One term is 7
8
One term is 8
9
One term is 9
10
One term is 10
11
One term is 11
12
One term is 12
13
One term is 13
14
One term is 14
15
One term is 15
16
One term is 16
17
One term is 17
18
One term is 18
19
One term is 19
20
One term is 20
21
One term is 21-25
22
One term is 26-30
23
One term is 31-35
24
One term is 36-40
25
One term is 41-45
26
One term is 46-50
27
One term is 51-55
28
One term is 56-60
29
One term is 61-65
30
One term is 66-70
31
One term is 71-75
32
One term is 76-80
33
One term is 81-85
34
One term is 86-90
35
One term is 91-100
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## Latest events in this game

17 hours ago: Someone had a problem at level 8. One term is 8 which took 34 seconds.
21 hours ago: Someone had a problem at level 15. One term is 15 which took 3 minutes.
22 hours ago: Someone got all questions correct at level 2. One term is 2 which took 19 seconds.
22 hours ago: Someone got all questions correct at level 1. One term is 1 which took 17 seconds.
2017-08-14 17:22: Someone got all questions correct at level 1. One term is 1 which took 11 seconds.
2017-08-14 17:20: Someone had a problem at level 1. One term is 1 which took 1 minute.
2017-08-13 20:04: Someone had a problem at level 18. One term is 18 which took 39 seconds.
2017-08-13 20:03: Someone had a problem at level 1. One term is 1 which took 14 seconds.
2017-08-12 21:47: Someone got all questions correct at level 8. One term is 8 which took 60 seconds.
2017-08-12 21:46: Someone got all questions correct at level 8. One term is 8 which took 1 minute.

Can you calculate subtraction and find the difference?

## 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 level results in 1 knowledge point. The maximum number of points (35 knowledge points) is achieved when you complete 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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### Game info

(1)
This game is suitable for student between 7 years and 12 years.
By playing the game the student practices Numbers, Subtraction, Mental calculation.
The game with id 5 was created by Helpfulgames on .
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## Comment Practice subtraction

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There is 1 comment on this knowledge games.
10 november 2014 14:13

This game is perfect to learn subtraction. An almost perfect game!
Status
Not logged in! Knowledge points and medals are lost when you shut down.