Rounding
Round these numbers to the nearest ten.
43
56
71
40
60
70
True or false.
329+113=330+112
True
True or False.
123-109=122-110
False
My class has 21 students. Mr. Sanders class has 18 students. Mrs. Messingers class has 18 students. How many students in total?
57 students.
Fill in the blank to complete each equation.
673+249=____+250
673+249=672+250
Round to the nearest hundred.
168
539
615
200
500
600
96
72-15=____
57
215 flowers.
Fill in the blank to complete each equation.
843-129=___-130
844
Round to the nearest thousand.
1,360
1,749
5,391
1,000
2,000
5,000
236+499=____
735
224-25=____
199
Cooper elementary has 492 students. Bemiss elementary has 457 students. How many more does Cooper elementary have than Bemiss.
Cooper has 35 more studnets.
There are 59 kids playing at the park. 17 kids ran home. Than 28 new kids came to play. How many at the park now?
70 kids.
Which two numbers below have a sum closest to 1,000?
560
400
270
442
560+442=1,002
236+462=____
698
182-117=____
65
My classroom library has 268 books. Cooper library has 1423 books. How many more does Cooper library have than I have?
This month the fourth and fifth graders at Cooper Elementary had a contest to see who could read the most books. By the end of the month, the fourth graders read 637 books and the fifth graders read 674 books.
Which grade won the contest?
How many more books did the winner read than the loser? Show your work.
Fifth graders won.
They read 37 more books.
Which two numbers below have a sum closest to 700?
560
400
270
442
270+442=712
405+198=____
603
624-616=____
8
There are 180 days of school each year. If you are now in third grade how many school days in all are there during your time in school.
*Hint. Think about how many years you have been in school.
180+180+180+180=720
The third grade had 363 students. Over winter break 94 students moved away, but 26 new students moved in.
How many students are in third grade now?
Write one or more equations to represent this problem.
295 third graders now.
363-94=269
269+26=295