Addition and subtraction around the world Flashcards

1
Q

10+2

A

12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

10+5

A

15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

9+6

A

15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

8+6

A

14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

9=2

A

11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

9+9

A

18

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

10+7

A

17

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

20-4

A

16

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

13-5

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

12-6

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

11-5

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

12-3

A

9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

15-6

A

9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

17-8

A

9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

16-8

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

14-7

A

7

17
Q

17-7

A

10

18
Q

18-6

A

12

19
Q

10-5

A

5

20
Q

11-8

A

3