Best Estimate
The puppies in a litter had the following weights:
2.3 pounds, 1.8 pounds, 3.1 pounds, and 2.75 pounds.
Approximately how much do the puppies weigh altogether?
10 pounds
9 - 20
-11
52 + 8
33
6 x a + 4 if a = 5
34
52
25
Out of the past 29 days, Liz overslept 3 days. Choose the best estimate for the number of days Liz overslept.
A). 1/10 C). 1/2
B). 1/4 D). 3/4
1/10
-3 - 4 - 5
-12
30 - 7 x 2
16
5n + 22
if n = 6
34
53
125
Out of the past 29 days, Liz overslept 3 days. Choose the best estimate for the number of days Liz overslept.
A). 10% C). 50%
B). 25% D). 75%
10%
-3 + 5 - 7
-5
6(8 + 2) - 1
59
5n + 23
if n = 6
38
103
1,000
Out of 496 employees, 262 are male. Choose the best estimate for the number of males.
A). 10% C). 50%
B). 25% D). 75%
50%
-4 + (-6) - 10
-20
100 - 52 x 2
50
5a2 if a = 10
500
80
1
Beth purchased 4.5 pounds of grapes. If grapes cost $3.88 per pound, approximately how much did the grapes cost?
A). $10 B). $16 C). $18 D). $36
$18
-3 - (-7) + (-12)
-8
5(3)2
45
4a3 + 60
if a = 2
33
20 + 21 + 22 + 23
15