Estimates
Estimate:
267 + 378
About 650
345 + 278 =
623
Double 350
700
44 x 5=
220
9 x 15 =
135
Estimate:
744 + 566
About 1,310
3,904 + 245=
4,149
Halve 240
120
16 x 5=
80
29 x 5 =
145
1,078 + 1,957
About 3,100
2,300 + 9,892=
12,192
Double 870
1,740
32 x 5 =
160
69 x 3 =
207
What Place Value Amount should you estimate to in the following equation?
234 + 237
Tens Place
470 + 345 + 210=
1,025
Halve 230
115
35 x 5 =
175
19 x 4
76
What Place Value Amount should you estimate to in the following equation?
1,456 + 7,766
Hundreds Place
23,457 + 2,255 + 897=
26,509
Double 440
880
48 x 5=
240
9 x 27=
243