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Sheet # 307/Estimating Answers

Name: _____________________ Date_____________


Show your work.

1)  Sutter Elementary School bought 4 boxes of baseballs. Each box has 78 baseballs. About how many balls are there in four boxes?





2) The Shooting Stars soccer team practices 3 hours at a time. There are 18 practice sessions during the season. About how many hours does the team practice each season?





3) Sam bought three bags of marbles. In each bag, there were 78 marbles. About how many marbles did Sam have?






4)
Karen, Missy, and Sara each brought 18 cookies to school. About how many cookies are there in all?





5) Tom wants to plant 3 rows of tomatoes. He can put 12 plants in each row. About how many plants will he need?

















Answers for sheet # 307

1)  Sutter Elementary School bought 4 boxes of baseballs. Each box has 78 baseballs. About how many balls are there in four boxes?

78 is rounded to 80. 80 x 4 = 320 baseballs.


2) The Shooting Stars soccer team practices 3 hours at a time. There are 18 practice sessions during the season. About how many hours does the team practice each season?

18 is rounded to 20. 20 x 3 = 60 hours


3) Sam bought three bags of marbles. In each bag, there were 72 marbles. About how many marbles did Sam have?

72 is rounded to 70.70 x 3 = 210 marbles


4) Karen, Missy, and Sara each brought 18 cookies to school. About how many cookies are there in all?

18 rounded to 20. 3 x 20 = 60 cookies.

5) Tom wants to plant 3 rows of tomatoes. He can put 12 plants in each row. About how many plants will he need?

12 is rounded to 10. 3 x 10 = plants