Next even/odd and Doubles Plus 1 Flashcards
1
Q
2+5
A
7
2
Q
2+6
A
8
3
Q
2+7
A
9
4
Q
2+8
A
10
5
Q
2+9
A
11
6
Q
4+2
A
6
7
Q
5+2
A
7
8
Q
6+2
A
8
9
Q
7+2
A
9
10
Q
8+2
A
10
11
Q
9+2
A
11
12
Q
20+40
A
60
13
Q
50+20
A
70
14
Q
70+20
A
90
15
Q
20+80
A
100
16
Q
90+20
A
110
17
Q
20+60
A
80
18
Q
400+200
A
600
19
Q
200+900
A
1100
Or
1,100
20
Q
500+200
A
700
