Estimating
Use Compatible Numbers.
2.302 / 4
0.6
5.23 x 104
52,300
0.49 x 29
14.21
0.924 / 4
0.231
$7.80 x 6
$46.80
Round to nearest tenth.
0.873 x 0.092
0.9 x 0.1 = 0.9
3,100 / 1,000
3.1
9 x 0.019
0.171
28.05 / 33
0.85
$10.28 / 4
$2.57
Round to whole number.
34.423 x 4.608
34 x 5 = 170
150.1 / 103
0.1501
0.94 x 12.7
11.938
0.164 / 8
0.0205
Isabelle buys 1 bunch of kale for $3.39 and two 6-ounce packs of blueberries for $3.99 each. How much money does she spend?
Use Compatible Numbers
4.253 / 8
0.5
3.5211 x 102
352.11
n x 8.7 when n = 0.4
3.48
6.452 / 0.4
16.13
Compare using >, <, =
8.08 / 0.2 _____ 80.8 / 2
=
Estimate AND determine if estimate is less than or greater than actual quotient.
0.874 / 5
0.2; greater than
.054431 x 107
544,310
3.9 x 0.004
0.0156
74.16 / 1.8
41.2
Joe's Pet Store is selling fish- 3 for $52.92. If Jan buys 1 fish and pays with a $20 bill, how much change does she get back?
$52.92 / 3 = $17.64
$20- $17.64 = $2.36