Peter bought 14 magazines. Each magazine cost him $3.90. Which is the best estimate of the total cost of the magazines?
$70
$76
$42
$56
Mary earned $200 for doing some chores. She spent $30.88 at the mall and $28.97 at the convenience store. She put the rest of the money in her savings account. About how much money did Mary put in her saving account?
Between $145 and $195
Between $135 and $145
Between $155 and $205
Between $165 and $215
From the time Willie gets up, it takes him 20.3 minutes to get ready for school. Once he is ready, it takes him 14.9 minutes to get from his house to school. Which is a reasonable amount of time that Willie spends from the time he gets up until the time he gets to school in 20 school days?
520 min
700 min
580 min
640 min
Hank reads 28 pages of his book each day. Which is the best estimate of the total number of pages he reads in 20 days?
Between 300 and 500
Between 700 and 900
Between 900 and 1,100
Between 500 and 700
Justin has a 76-page picture book. There are 15 pictures on each page. Which is the best estimate of the total number of pictures in Justin's picture book?
Between 675 and 975
Between 975 and 1,275
Between 1,275 and 1,575
Between 1,875 and 2,175
Mr. Jones has between 29 and 34 flowers he needs to plant. He wants to make exactly 4 rows of flowers, keeping about the same number of flowers in each row. Which is a reasonable number of flowers that Mr. Jones should plant in each row?
8
10
12
14
Betty bought 14 oranges. The lightest orange weighed 6 ounces, and the heaviest orange weighed 10 ounces. Which is a reasonable total weight of all 14 oranges?
67 ounces
84 ounces
112 ounces
140 ounces
Every day on his way to school, Tony goes out to breakfast and buys one bagel for $1.69 and an orange juice for $2.37. Which is a reasonable amount that Tony would spend on 35 breakfasts?
$155
$130
$135
$140
Susie has a part-time job at the video store. She makes between $40.22 and $46.76 a day. Which is a reasonable estimate of the amount of money that Susie makes for working 7 days?
$278
$342
$337
$302
Ricky went to the store and bought 7 boxes of apples. The lightest box weighed 25 pounds. The heaviest box weighed 31 pounds. Which could be the total weight of the apple boxes?
249 pounds
201 pounds
146 pounds
230 pounds
Estimate the following: 1,086.4 + 692.77 + 1,007.7
about 2,400
about 2,800
about 3,400
about 3,000
Mrs. Clark has $601.38 to give out to her 15 grandchildren. She wants to give the same amount to each grandchild. Which is the best estimate of how much each grandchild should receive?