Rounding
Round 56 to the nearest 10
60
251 + 149 = ____________
400
True or False:
423 - 128 = 422 - 127
True
This month, fourth and fifth graders at Stratford Elementary had a contest to see who could read the most books by the end of the month. Fourth graders read 752 books and fifth graders had 625 books.
Who won the contest?
Fourth graders
Round 15 to the nearest 10
20
136 + 257 = __________
393
743 - 29 = __________ - 30
744
This month, fourth and fifth graders at Stratford Elementary had a contest to see who could read the most books by the end of the month. Fourth graders read 752 books and fifth graders had 625 books.
How many more books did the winners read than the losers? Show your work.
127 books
Round 150 to the nearest 100
200
Which 2 numbers have a sum closest to 600?
460 300 170 342
300 and 342
152-107
45
This month, fourth and fifth graders at Stratford Elementary had a contest to see who could read the most books by the end of the month. Fourth graders read 752 books and fifth graders had 625 books.
How many more books do the fifth graders need to read to win?
128 books
Round 1,361 to the nearest 100
1,300
356 + 451 = ______ + 450
357
219-49
170
This month, fourth and fifth graders at Stratford Elementary had a contest to see who could read the most books by the end of the month. Fourth graders read 752 books and fifth graders had 625 books. How many more books did the winners read than the losers?
Write an equation to represent the problem. Use b to represent books.
752-625= b
Or
752 - b = 625Or
625 + b = 752
Round 957 to the nearest 100
1,000
856 + 328 = __________
1,184
1439-652
787
Fourth graders had 428 students. Over winter break, 92 students moved away, but 28 moved in.
How many students are now in fourth grade? Show your work.
364 students