Subtraction 10-20 Flashcards

1
Q

14-1=

A

13

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

16-1=

A

15

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

13-3=

A

10

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

15-5=

A

10

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

18-7=

A

11

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

20-1=

A

19

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

19-8=

A

11

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

19-9=

A

10

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

16-4=

A

12

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

15-2=

A

13

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

13-2=

A

11

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

13-1=

A

12

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

14-2=

A

12

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

12-1=

A

11

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

19-4=

A

15

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

19-4=

A

15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

19-8=

A

11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

19-7=

A

12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

19-6=

A

13

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

20-1=

A

19

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

14-3=

A

11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

20-10=

A

10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

18-7=

A

11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

17-6=

A

11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

11-2=

A

9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

13-3=

A

10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

11-1=

A

10

28
Q

16-4=

A

12

29
Q

16-5=

A

11

30
Q

16-6=

A

10

31
Q

16-9=

A

7

32
Q

16-8=

A

8

33
Q

16-7=

A

9

34
Q

15-9=

A

6

35
Q

15-8=

A

7

36
Q

15-7=

A

8

37
Q

15-6=

A

9

38
Q

14-9=

A

5

39
Q

14-8=

A

6

40
Q

14-7=

A

7

41
Q

14-6=

A

8

42
Q

14-5=

A

9

43
Q

13-9=

A

4

44
Q

13-8=

A

5

45
Q

13-7=

A

6

46
Q

13-6=

A

7

47
Q

13-5=

A

8

48
Q

13-4=

A

9

49
Q

12-9=

A

3

50
Q

12-8=

A

4

51
Q

12-7=

A

5

52
Q

12-6=

A

6

53
Q

12-5=

A

7

54
Q

12-4=

A

8

55
Q

12-3=

A

9

56
Q

11-9=

A

2

57
Q

11-8=

A

3

58
Q

11-7=

A

4

59
Q

11-6=

A

5

60
Q

11-5=

A

6

61
Q

11-4=

A

7

62
Q

11-3=

A

8

63
Q

11-2=

A

9

64
Q

18-9=

A

9

65
Q

17-9=

A

8

66
Q

17-8=

A

9