Rounding To Sum Worksheet Page 29
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30Answer Key
Name:
Rounding to Sum
Solve each problem.
A n s w e r s
Round First
Round After
1) Jerry was playing his favorite video game. In the first round
900 + 600
927 + 569
1,500
1.
he scored 927 points and in round two he scored 569
1500
1496 = 1500
points. To the nearest hundred, how many points did he
700
2.
score total?
2) The classes in the fourth grade were counting the fundraiser
200 + 500
167 + 488
800
3.
money they earned. Mr. Smith's Class earned 167 dollars
700
655 = 700
and Mrs. White's class earned 488 dollars. To the nearest
1,300
hundred, how much did they earn total?
4.
3) While organizing her files, Bianca deleted 139 pictures and
100 + 700
139 + 674
1,100
674 songs. To the nearest hundred, what is the total number
800
813 = 800
5.
of files she deleted?
1,810
6.
4) Two friends were counting the number of texts they sent in
700 + 600
731 + 589
a month. Alex sent 731 and Jessie sent 589. To the nearest
1300
1320 = 1300
1,010
7.
hundred, what is the combined amount of texts they sent?
780
8.
5) An apple orchard was split into two sections. The first had
500 + 600
496 + 603
496 trees and the second had 603. To the nearest ten, how
1100
1099 = 1100
1,200
9.
many trees were there total in the orchard?
1,350
10.
6) In one day, a mail truck gave out 887 letters and 922
890 + 920
887 + 922
magazines. To the nearest ten, how many pieces of mail did
1810
1809 = 1810
was delivered total?
7) At Megan's school there are 875 students in 3rd grade and
880 + 130
875 + 132
132 students in 4th grade. To the nearest ten, how many
1010
1007 = 1010
students were there in both grades?
8) A farmer was planting seeds in a garden. He planted 337
340 + 440
337 + 439
radish seeds and 439 turnip seeds. To the nearest ten, how
780
776 = 780
many seeds did he plant total?
9) In a math book, there were 837 problems in chapter one
800 + 400
837 + 354
and 354 in chapter two. To the nearest hundred, how many
1200
1191 = 1200
problems are there in the first 2 chapters?
10) A pet store had 835 goldfish and 511 clown fish. To the
840 + 510
835 + 511
nearest ten, what is the total number of both types of fish?
1350
1346 = 1350
1-10 90 80 70 60 50 40 30 20 10 0
Math
10
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