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Subtraction
Addition
Word Problems
Key Words
Estimation
100
8,715 - 5, 923=
What is 2,792
100

Problem: 12,345 + 23,456

Answer: 35,801

100
At a tire factory, 3,166 tires were made on Thursday and 2,941 tires were made on Friday. How many tires were made on Thursday and Friday in all?
What is 6,107 tires
100
Sum
What is add
100

You have 298 marbles, and your friend gives you 106 more. About how many marbles do you have now?

400 marbles (Estimate by rounding 298 to 300 and 106 to 100).

200

12,543 - 7,289

5,254

200

67,891 + 32,109

100,000

200
Sara scored 2,293 points in a video game. That was 1,536 more than Elvin's score on the same game. How many points did Elvin score?
What is 757 points
200
Total
What is add
200

A school library has 682 books on the shelves. They donate 243 books to another school. About how many books are left in the library?

400 books (Estimate by rounding 682 to 700 and 243 to 200).

300

102,398 - 76,215

26,183

300

145,762 + 234,398

380,160

300
There are 11,500 seats in the basketball arena. For one game, 9,465 seats were filled. How many seats were empty?
What is 2,035 seats were empty
300
Difference
What is subtraction
300

A movie theater sold 1,472 tickets on Friday and 1,256 tickets on Saturday. About how many tickets did they sell in total to the nearest hundred?

2,700 tickets (Estimate by rounding 1,472 to 1,500 and 1,256 to 1,200).

400

345,762 - 123,498

Answer: 222,264

400

456,789 + 123,456

580,245

400
Two years ago, Bob bought a used car that had 14,854 miles on the odometer. Last year, he drove 8,240 miles. This year, he drove 9,273 miles. How many miles does the odometer show now?
What is 32,367 miles
400
Spend
What is addition or subtraction
400

A farmer planted 5,820 trees last year and 3,295 trees this year. About how many more trees were planted last year than this year?

2,500 trees (Estimate by rounding 5,820 to 6,000 and 3,295 to 3,500).

500

987,654 - 456,321

531,333

500

987,654 + 876,543

1,864,197


500
George bought a car for $17,067. This price included a leather package for $1,248 and a heated seats for $269. What was the price of the car without these features?
What is $15,550
500
How much taller?
What is subtraction
500

A town's population was 48,963 people last year. This year, the population increased by 21,487 people. About how many people live in the town now?

70,000 people (Estimate by rounding 48,963 to 50,000 and 21,487 to 20,000).