Year 3 Numeracy – Addition & Subtraction Practice
Challenging addition and subtraction questions designed for Year 3 students preparing for NAPLAN.
Practice Questions
1. What is 347 + 286?
2. A library had 820 books. After donating 275 books, how many books are left?
3. Which number makes this true? 600 − □ = 248
4. Sarah buys a toy for $189 and a book for $76. How much does she spend altogether?
5. Which is the best estimate for 498 + 203?
6. A school collected 1,000 stickers. 468 stickers were given away. How many stickers remain?
7. What is the missing number? 425 + □ = 900
8. A bus travelled 685 km on Monday and 297 km on Tuesday. How far did it travel in total?
9. Which number sentence matches this problem: “Tom had $900 and spent $468.”
10. What is the difference between 804 and 389?
11. What is 906 − 478?
12. A farmer collected 365 eggs in the morning and 289 eggs in the evening. How many eggs did he collect in total?
13. Which number makes this sentence true? □ + 275 = 800
14. What is the difference between 1,000 and 647?
15. A school raised $458 on Monday and $387 on Tuesday. How much money was raised altogether?
16. Which is the closest estimate to 742 + 189?
17. A shop had 920 items. After selling 486 items, how many items remain?
18. What number must be added to 368 to make 700?
19. Which calculation matches this story: “There were 850 seats. 397 seats were filled.”
20. What is the total of 675 + 248?
Answer Key
1. C
2. B
3. A
4. B
5. C
6. B
7. B
8. B
9. B
10. B
11. B
12. B
13. B
14. B
15. C
16. C
17. B
18. B
19. C
20. C
This Year 3 addition and subtraction practice page helps students strengthen numeracy skills with challenging word problems and multi-step calculations. Designed to align with NAPLAN numeracy standards, these questions improve accuracy, estimation, and real-world maths problem-solving. Parents and teachers can print this worksheet for offline practice.
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