Adding
45+54=
45+56=101
54 x 5
54 x 5=270
54 divided by 5
54 divided by 5 =10.8
178
round to the 100
200
3 x 4/5 =
3 4/5
23+12=
35
125 x 2=
250
20 divide by 5 =
20
200 rounded to the nearest 100
200
4 x 5/6 =
4 5/6
123+12=
135
1,000 x 200=
1,000
20 divide by 7 =
20
389 rounded to the nearest 100
400
3 x 7/8 =
3 7/8
600+1,000=
1,600
9,100+200=
9,300