subtraction with zeros
90-22
68
rounding 427 to
300
what is 9X1
9
100➗4
25
80-33
42
298-123
175
rounding 991 to
1,000
what is 9X10
900
200➗4
50
297-123
174
300-213
87
rounding 10001 to
10,000
what is 9X11
99
300➗3
Ff
398-213
185
435-324
111
rounding 99,678 to
100,000
what is 100X98
980
4,979-3,563
1,416
500-236
264
rounding 987,996 to
1,000,000
what is 10X10
100
7,654-3,213
2,441