Multiplication
5X4=
20
5 rounded to the nearest 10
10
50+15=
65
100-10=
90
3X3=
9
29 rounded to the nearest 10
30
184+6=
190
456-123=
333
10X10=
100
620 rounded to the nearest 100
600
220+350=
370
820-610=
210
30x9=
270
214 rounded to the nearest 10
210
167+250=
417
200-129=
71
25 x 11 =
275
1,049 rounded to the nearest 100
1,000
199+456=
655
1,000-59=
941