Player 1
vs
Player 2
Your History
0:00
Opponent history
x
x
 
 
Correct
0
Wrong
0
Correct!
Wrong!
Help Sheet for

0

  • ? + 0 = 0
  • ? + 0 = 1
  • ? + 0 = 2
  • ? + 0 = 3
  • ? + 0 = 4
  • ? + 0 = 5
  • ? + 0 = 6
  • ? + 0 = 7
  • ? + 0 = 8
  • ? + 0 = 9
  • ? + 0 = 10
  • ? + 0 = 11
  • ? + 0 = 12

1

  • ? + 1 = 2
  • ? + 1 = 3
  • ? + 1 = 4
  • ? + 1 = 5
  • ? + 1 = 6
  • ? + 1 = 7
  • ? + 1 = 8
  • ? + 1 = 9
  • ? + 1 = 10
  • ? + 1 = 11
  • ? + 1 = 12
  • ? + 1 = 13

2

  • ? + 2 = 4
  • ? + 2 = 5
  • ? + 2 = 6
  • ? + 2 = 7
  • ? + 2 = 8
  • ? + 2 = 9
  • ? + 2 = 10
  • ? + 2 = 11
  • ? + 2 = 12
  • ? + 2 = 13
  • ? + 2 = 14

3

  • ? + 3 = 6
  • ? + 3 = 7
  • ? + 3 = 8
  • ? + 3 = 9
  • ? + 3 = 10
  • ? + 3 = 11
  • ? + 3 = 12
  • ? + 3 = 13
  • ? + 3 = 14
  • ? + 3 = 15

4

  • ? + 4 = 8
  • ? + 4 = 9
  • ? + 4 = 10
  • ? + 4 = 11
  • ? + 4 = 12
  • ? + 4 = 13
  • ? + 4 = 14
  • ? + 4 = 15
  • ? + 4 = 16

5

  • ? + 5 = 10
  • ? + 5 = 11
  • ? + 5 = 12
  • ? + 5 = 13
  • ? + 5 = 14
  • ? + 5 = 15
  • ? + 5 = 16
  • ? + 5 = 17

6

  • ? + 6 = 12
  • ? + 6 = 13
  • ? + 6 = 14
  • ? + 6 = 15
  • ? + 6 = 16
  • ? + 6 = 17
  • ? + 6 = 18

7

  • ? + 7 = 14
  • ? + 7 = 15
  • ? + 7 = 16
  • ? + 7 = 17
  • ? + 7 = 18
  • ? + 7 = 19

8

  • ? + 8 = 16
  • ? + 8 = 17
  • ? + 8 = 18
  • ? + 8 = 19
  • ? + 8 = 20

9

  • ? + 9 = 18
  • ? + 9 = 19
  • ? + 9 = 20
  • ? + 9 = 21

10

  • ? + 10 = 20
  • ? + 10 = 21
  • ? + 10 = 22