Estimating

1.  Each day, Mr. and Mrs. Sylliaasen walk between 25 and 35 minutes.  About how many minutes do they walk in seven days?

    a) 150            b) 200                c) 250            d) 300

2.  A video store has these videos.

About how many videos does the store have all together?

    a) 300        b) 400        c) 500        d) 600

3.  This year, there are 512 photographs entered in the Perfect Picture Contest.  The judges plan to divide the photographs into groups of 50 photographs each.  About how many groups of photographs will there be?

    a) 5            b) 10            c) 100            d) 1000

4.  Rebecca reads between 9 and 11 books each month.  About how many books will she read in a year?

    a) 60        b) 100        c) 120        d) 180

5. Mr. Carroll kept track of his bike rides.  About how many miles did he ride all together?

a) 200        b) 300        c) 400        d) 500

6.  On back to school night, 356 parents came to RBE and 143 students showed up as well.  About how many people were at RBE back to school night?

    A) 500            B) 300            C) 600            D) 400

7.  Brandon Elementary has 554 students.  This is 123 more than Robert Bennis Elementary.  About how many students does RBE have?

    A) 500            B) 700            C) 400            D) 600

8.  Katie spent $4.60 for a thank you card.  She started with $6.47.  Approximately how much money does she have left?  Estimate by rounding to the nearest dollar.

    A) $1        B) $4            C) $2            D) $10

9.  Sandy cashed in her can money and collected $16.65.  She had $16.38 in her savings account.  How much money does she now have all together?  Estimate by rounding to the nearest dollar.

    A) 40            B) 33            C) 32            D) 1

10.  There were 7,456 people who attended the first Justin Beiber concert.  4,845 attended the second conference.  About how many people attended the concert that night?  Estimate by rounding to the greatest place.

    A) 12,000            B) 11,000            C) 13,000            D) 2,000

11.  The new Scooby-Doo DVD costs $11.75.  What is this number rounded to the nearest dollar?

        a) $10            b) $11            c) $12            d) $11.80

12.  The 859 seat theater scheduled 32 performances of the school play.  Estimate the total number of people that will be able to come to each performance.  Round each number to the greatest place.

    a) 27,000            b) 27,488            c) 30,000            d) 2700

13.  There are 487 students at Robert Bennis Elementary.  220 of them are females.  About how many students are males?

    A) 700            B) 200            C) 300            D) 800

14.  A hotdog costs $2.25 at the game.  A Gatorade costs $1.85.  About how much money are you going to spend if you buy one of each?

    A) $3                B) $5                C) $1                D) $4