Addition Fun: Using Number Lines for 3-Digit Sums

1. Sarah has 245 marbles. Her friend gives her 132 more marbles. How many marbles does Sarah have now?

• 245

• 500

• 132

• 377

2. A library has 312 books. They buy 145 new books. How many books are in the library now?

• 457 books

• 457

• 500 books

• 300 books

3. Tom collected 456 stickers. He found 237 more stickers in his drawer. How many stickers does Tom have altogether?

• 700

• 650

• 693

• 689

4. There are 678 apples in a store. If 125 more apples are delivered, how many apples are there in total?

• 803

• 678

• 900

• 750

5. A farmer has 389 eggs. He collects 214 more eggs from the henhouse. How many eggs does he have now?

• 450

• 500

• 603

• 600

6. Lisa read 215 pages of her book. Then she read 145 more pages. How many pages did she read in total?

• 250

• 360

• 400

• 300

7. A toy store had 543 toys. They received a shipment of 267 new toys. How many toys are there now?

• 600

• 810

• 800

• 750

8. In a park, there are 432 trees. If 158 more trees are planted, how many trees will there be in the park?

• 450

• 500

• 600

• 590

9. A baker made 256 cookies in the morning and 134 cookies in the afternoon. How many cookies did the baker make in total?

• 390

• 400

• 256

• 300

10. A school has 789 pencils. They bought 211 more pencils for the students. How many pencils does the school have now?

• 800

• 1000

• 950

• 900