Subtraction by fives and tens Flashcards
1
Q
75-25
A
50
2
Q
50-30
A
20
3
Q
20-10
A
10
4
Q
75-30
A
45
5
Q
80-55
A
25
6
Q
40-15
A
25
7
Q
60-40
A
20
8
Q
90-40
A
50
9
Q
20-15
A
5
10
Q
35-25
A
10
11
Q
80-40
A
40
12
Q
55-20
A
35
13
Q
40-35
A
5
14
Q
90-80
A
10
15
Q
15-10
A
5
