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