ESTIMATING in subtraction
Estimate by rounding to the nearest TENS place.
67 - 12
70 - 10 = 60
238 - 65 =
173
750 - 393
357
400 - 118
282
5762 - 1814
3948
Estimate by rounding to the nearest TENS place.
$0.25 - $0.11 =
$0.30 - 0.10 = $0.20
$3.86 - $0.94 =
$2.92
854 - 276
578
572
3789 - 1245
2544
Estimate by rounding to the nearest TENS place.
51 - 39 =
50 - 40 = 10
375 - 126 =
249
621 - 182
439
400 - 277
123
$59.57 - 32.84
26.73
Estimate by rounding to the nearest HUNDREDS place.
259 - 112 =
300 - 100 = 200
$8.88 - 7.95
$0.93
567 - 198
369
$9.00 - 5.19
3.81
5010 - 2090
2920
Estimate by rounding to the nearest HUNDREDS place.
598 - 192 =
600 - 200 = 400
989 - 899
90
$6.73 - 4.87
$1.86
900 - 575
325
$76.85 - 38.69
38.16