1.
Find the difference.
7 tens − 2 tens = ___ tens
A.
6
B.
4
C.
5
D.
3
Hint
2.
Find the difference.
9 tens − 3 tens = ___ tens
A.
7
B.
6
C.
4
D.
5
Hint
3.
Find the difference.
70 − 30 = ___
A.
50
B.
20
C.
40
D.
30
Hint
4.
Find the difference.
20 − 10 = ___
A.
0
B.
20
C.
30
D.
10
Hint
5.
Find the difference.
50 − 20 = ___
A.
10
B.
20
C.
40
D.
30
Hint