Addition

Add the two terms and figure out the sum for all the numbers! Fun game to practice addition for students in school.

Game instructions for addition

Choose a game level among the buttons above. This will give you up to ten tasks that you must solve by adding together the two numbers and find the sum. Can you solve all the additions in a level, you will get one knowledge points and the button for that level turns green.

Addition in the language of mathematics

Addition belongs to the four arithmetic modes and the correct expression is to add two numbers. Some might say Sum two numbers, which also is a mathematically correct way of expressing an addition.

Two terms add up to the sum:

4	+	7	=	11
term	+	term	=	sum

Addition table

Below is the addition table which helps the student to learn how to add by selecting column and row and see the sum of the two numbers.

+	0	1	2	3	4	5	6	7	8	9	10
0	0	1	2	3	4	5	6	7	8	9	10
1	1	2	3	4	5	6	7	8	9	10	11
2	2	3	4	5	6	7	8	9	10	11	12
3	3	4	5	6	7	8	9	10	11	12	13
4	4	5	6	7	8	9	10	11	12	13	14
5	5	6	7	8	9	10	11	12	13	14	15
6	6	7	8	9	10	11	12	13	14	15	16
7	7	8	9	10	11	12	13	14	15	16	17
8	8	9	10	11	12	13	14	15	16	17	18
9	9	10	11	12	13	14	15	16	17	18	19
10	10	11	12	13	14	15	16	17	18	19	20

Calculation of knowledge points

Each completed game level gives 1 knowledge point in Addition. 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 Addition, 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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