4 corners adding and subtracting Flashcards
1
Q
2+2=
A
4
2
Q
1+1=
A
2
3
Q
1+0=
A
1
4
Q
0+1=
A
1
5
Q
1+2=
A
3
6
Q
2+1=
A
3
7
Q
4-0=
A
4
8
Q
4-1=
A
3
9
Q
4-2=
A
2
10
Q
4-3=
A
1
11
Q
3-1=
A
2
12
Q
3-2=
A
1
13
Q
2-1=
A
1
14
Q
9-5=
A
4
15
Q
11-7=
A
4
