Addition Double Numbers +1 (Level 2) Flashcards
1
Q
1+2 = 1+(1+1)
A
3
2
Q
2+1 = (1+1)+1
A
3
3
Q
2+3 = 2+ (2+1)
A
5
4
Q
3+2 = (2+1)+2
A
5
5
Q
3+4 = 3+ (3+1)
A
7
6
Q
4+3 = (3+1) +3
A
7
7
Q
4+5 = 4+(4+1)
A
9
8
Q
5+4 = (4+1)+4
A
9
9
Q
5+6 = 5+ (5+1)
A
11
10
Q
6+5 = (5+1)+5
A
11
11
Q
6+7 =6+ (6+1)
A
13
12
Q
7+6 = (6+1)+6
A
13
13
Q
7+8 = 7+ (7+1)
A
15
14
Q
8+7 = (7+1)+7
A
15
15
Q
8+9 = 8+ (8+1)
A
17