Number Bonds - Subtraction within 20 Flashcards
1
Q
20-5=
A
15
2
Q
10-9=
A
1
3
Q
20-10=
A
10
4
Q
10-5=
A
5
5
Q
20-9=
A
11
6
Q
20-2=
A
18
7
Q
20-1=
A
19
8
Q
10-2=
A
8
9
Q
20-14=
A
6
10
Q
10-8=
A
2
11
Q
10-6=
A
4
12
Q
20-18=
A
2
13
Q
20-6=
A
14
14
Q
20-3=
A
17
15
Q
10-4=
A
6
16
Q
20-12=
A
8
17
Q
20-16=
A
4
18
Q
20-8=
A
12
19
Q
20-7=
A
13
20
Q
10-10=
A
0
21
Q
20-11=
A
9
22
Q
20-19=
A
1
23
Q
20-15=
A
5
24
Q
10-7=
A
3
25
20-20=
0
26
10-1=
9
27
20-4=
16
28
20-13=
7
29
20-17=
3
30
10-3=
7
