4th Grade Addition
78+47
125
265 - 191
74
2,166+824
3,008
1. Liam has 53 books on one shelf and 48 books on another shelf. Estimate how many books he has in total by rounding each number to the nearest ten before adding.
100
If A team sells 24,587 tickets to their first game and then they sell 45,762 tickets to the second game, how many tickets did they sell to the first two games?
70,349 tickets
465+238
703
1001 - 482
519
24,932+5,314
30,246
2.Walter baked 127 cookies for a party. He gave away 82 cookies. Estimate how many cookies she has left by rounding to the nearest ten first.
50 cookies left
Aeryn sold 247,002 dance studio tickets and Mr. Murphy only sold 189,999 tickets, how many more did Aeryn sell than Mr. Murphy?
57,003 tickets
1,482+2,618
4,100
1,325 - 838
487
21,698+65,242
86,940
3. Carter has 1,367 toy cars, and he bought 2,154 more. Estimate the total number of toy cars by rounding to the nearest hundred before adding.
3,600 cars
365 students ate lunch in the cafeteria today. If 182 students brought their lunch from home, how many students bought the cafeteria food?
183 students
12,693 + 7,248
19,941
31,709
755 + 236 + 184
1,175
4. Emi has saved $245 for a new bike. She needs $357 more. Estimate the total amount Emi will have saved after buying the bike, rounding to the nearest ten first.
610 Dollars
What would the the rule of the input output table, if the Input was 8 and the output was 25, and then the input was 12 and the output was 29?
Add 17
45,678 + 23,487
69,165
657,489 - 243,647
413,842
879 + 345 + 203
1,427
5. Dylan, Mackenzie, and Ava are raising money for Challenge Day. Dylan has collected $7,378, Mackenzie has collected $1,985, and Ava has collected $2,445. Estimate the total amount raised by rounding each amount to the nearest hundred before adding.
$11,800
Estimate 568,987 added to 874,987 to the nearest ten thousand.
570,000 + 870,000 = 1,440,000