Estimate each number by rounding them to the nearest ten and solving. 952 - 402 =
550
100
5,369 + 4,729 =
10,098
100
67,846 - 54,622 =
13,224
100
600 - 177 =
423
100
Joe got 34,867 points playing a video game, and Carlos got 29,978 points. How many more points did Joes get than Carlos?
4,889
200
Estimate to the nearest hundreds then solve to find the answer. 368 + 137 =
500
200
65,387 + 23,674 =
89,061
200
654,735 - 324,361 =
330,374
200
3,304 - 1,137 =
2,167
200
Betty had 719 pennies in her piggy bank. If she gave her sister 239 pennies, how many pennies did Betty have left?
480 pennies
300
Estimate to the nearest 100 then solve. 5,317 + 2,413 =
7,700
300
54,687 + 4,376
59,063
300
2,173 - 108 =
2,065
300
5,025 - 178 =
4,847
300
28 + 79 = ____ + 28
79
400
Round to the nearest thousands then solve. 5,842 - 2,321=
4,000
400
873,256 + 5,698 =
878,954
400
58,356 - 24,182 =
34,174
400
6,900 - 2,406 =
4,494
400
A musical group made 2,345 cds on Monday and 2,562 cds on Tuesday. How many did they make altogether?
4,907
500
Alex sold 86 tickets to a school talent show on Thursday and 103 tickets on Friday. About how many tickets to the talent show did Alex solve altogether? A. About 100 B. About 200 C. About 300 D. About 400
B. About 200
500
There were 10,453 items checked out of the public library one week. The next week, 12,975 items were checked out. A week later, 9,634 items were checked out. How many items were checked out in three weeks?
33,062
500
A crayon company makes 17,491 green crayons and 15,063 red crayons. How many more green crayons are made then red crayons?
2,428
500
Shawn scored 10,830 points playing a video game. Miguel scored 9,645 points. How many more points did Shawn score than Miguel?
1,185 more points
500
In 2010, an animal shelter found adoption homes for 1,645 cats and dogs. If 1,218 of the adopted pets were dogs, how many cats, c, were adopted in 2010?