Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
78 Cards in this Set
- Front
- Back
13 + 13 =
|
26
|
|
13 + 12 =
|
25
|
|
13 + 11 =
|
24
|
|
13 + 10 =
|
23
|
|
13 + 9 =
|
22
|
|
13 + 8 =
|
21
|
|
13 + 7 =
|
20
|
|
13 + 6 =
|
19
|
|
13 + 5 =
|
18
|
|
13 + 4 =
|
17
|
|
13 + 3 =
|
16
|
|
13 + 2 =
|
15
|
|
12 + 12 =
|
24
|
|
12 + 11 =
|
23
|
|
12 + 10 =
|
22
|
|
12 + 9 =
|
21
|
|
12 + 8 =
|
20
|
|
12 + 7 =
|
19
|
|
12 + 6 =
|
18
|
|
12 + 5 =
|
17
|
|
12 + 4 =
|
16
|
|
12 + 3 =
|
15
|
|
12 + 2 =
|
14
|
|
11 + 11 =
|
22
|
|
11 + 10 =
|
21
|
|
11 + 9 =
|
20
|
|
11 + 8 =
|
19
|
|
11 + 7 =
|
18
|
|
11 + 6 =
|
17
|
|
11 + 5 =
|
16
|
|
11 + 4 =
|
15
|
|
11 + 3 =
|
14
|
|
11 + 2 =
|
13
|
|
10 + 10 =
|
20
|
|
10 + 9 =
|
19
|
|
10 + 8 =
|
18
|
|
10 + 7 =
|
17
|
|
10 + 6 =
|
16
|
|
10 + 5 =
|
15
|
|
10 + 4 =
|
14
|
|
10 + 3 =
|
13
|
|
10 + 2 =
|
12
|
|
9 + 9 =
|
18
|
|
9 + 8 =
|
17
|
|
9 + 7 =
|
16
|
|
9 + 6 =
|
15
|
|
9 + 5 =
|
14
|
|
9 + 4 =
|
13
|
|
9 + 3 =
|
12
|
|
9 + 2 =
|
11
|
|
8 + 8 =
|
16
|
|
8 + 7 =
|
15
|
|
8 + 6 =
|
14
|
|
8 + 5 =
|
13
|
|
8 + 4 =
|
12
|
|
8 + 3 =
|
11
|
|
8 + 2 =
|
10
|
|
7 + 7 =
|
14
|
|
7 + 6 =
|
13
|
|
7 + 5 =
|
12
|
|
7 + 4 =
|
11
|
|
7 + 3 =
|
10
|
|
7 + 2 =
|
9
|
|
6 + 6 =
|
12
|
|
6 + 5 =
|
11
|
|
6 + 4 =
|
10
|
|
6 + 3 =
|
9
|
|
6 + 2 =
|
8
|
|
5 + 5 =
|
10
|
|
5 + 4 =
|
9
|
|
5 + 3 =
|
8
|
|
5 + 2 =
|
7
|
|
4 + 4 =
|
8
|
|
4 + 3 =
|
7
|
|
4 + 2 =
|
6
|
|
3 + 3 =
|
6
|
|
3 + 2 =
|
5
|
|
2 + 2 =
|
4
|