Adding and Subtracting Whole Numbers

There are 226 fish in one aquarium and 438 fish in the other aquarium.

How many fish are there in total in both aquariums?

644

In the parking lot of a movie theater, there are 652 cars. 119 more cars were parked in the parking lot before the movie started.

How many cars are currently in the parking lot?

771

There are 544 passengers on the train. 230 more people boarded the train at the first stop.

How many passengers are currently on the train?

774

For the bake sale, Vincent’s brother baked 206 cookies, and 347 cookies were baked by Vincent himself.

How many cookies were baked in total?

553

Elias’s class collected $545 for the school’s annual function. Waylen’s class collected $573.

What is the total amount that both classes collected?

1,118

There were 227 pieces of candy in the bag. Waylen bought 144 more pieces of candy.

How many candies does he have now?

371

From the beach, Mike gathered 531 pebbles, and Elias collected 292 pebbles.

How many pebbles did they gather in total?

823

At the annual Easter hunt, Andrew gathered 187 eggs, while Brandon collected 293.

How many Easter eggs did they gather in total?

480

In 2022 and 2023, Daniel checked out 845 and 744 books from the library, respectively.

In these two years, how many books did he borrow in total?

1,589

David has 725 green marbles and 667 pink marbles.

What is the total number of marbles he possesses?

1,392

Fred’s book was 587 pages long. He finished 305 pages.

How many pages does he have left to read?

282

In a match, Luna received a total of 1012 points, while Hazel scored 788 points.

By how many points did Luna outscore Hazel?

224

A certain conference has an attendance of 591 people, 359 of whom are women.

How many of them are men?

232

The library’s collection has 981 books. Frank organized 556 of them.

How many books still need to be organized?

425

Fred went shopping. He gave two $100 bills while purchasing a product for $164.

How much change will he receive from the shopkeeper?

36

Harry had collected 250 stamps. He lost 125 of them.

How many stamps did he have left?

125

Henry purchased 400 sheets of paper from a nearby stationery store, of which 195 were used for his school project.

How many sheets does he have left?

205

James wanted to climb the 225 steps to the top of a building. He had ascended 96 steps.

How many more steps does he have to take?

129

Ken’s mother purchased 246 yellow and green balloons for her daughter’s birthday party, 128 of which were green.

How many of the balloons were yellow?

118

A chef made 860 doughnuts for a birthday celebration. 131 were not consumed.

How many doughnuts were consumed?

729