Addition 1-20 Flashcards
1
Q
0+?=20
A
20
2
Q
2+?=20
A
18
3
Q
4+?=20
A
16
4
Q
6+?=20
A
14
5
Q
8+?=20
A
12
6
Q
10+?=20
A
10
7
Q
12+?=20
A
8
8
Q
14+?=20
A
6
9
Q
16+?=20
A
4
10
Q
18+?=20
A
2
11
Q
20+?=20
A
0
12
Q
1+?=20
A
19
13
Q
3+?=20
A
17
14
Q
5+?=20
A
15
15
Q
7+?=20
A
13
16
Q
9+?=20
A
11
17
Q
11+?=20
A
9
18
Q
13+?=20
A
7
19
Q
15+?=20
A
5
20
Q
17+?=20
A
3
21
Q
19+?=20
A
1
