Grade 3 Math Worksheet for 9-Year-Olds — 40 Questions: Numbers to 1000, Place Value & Rounding, Addition/Subtraction, Time, 2D/3D Shapes & Patterns

Instructions

Read each question carefully and write your answer in the space provided. Show your work for problem-solving questions. Good luck, Math Explorer!

1. Write the number seven hundred forty-two in digits.
2. Write the number 903 in words.
3. I have 6 hundreds, 0 tens, and 5 ones. What number am I?
4. In the number 825, what is the value of the digit 2?
5. In the number 391, what is the value of the underlined digit 3?
6. Compare the numbers using <, >, or =.   567 576
7. Compare the numbers using <, >, or =.   810 180
8. Order these numbers from least to greatest: 452, 254, 425.
9. Round 87 to the nearest ten.
10. Round 122 to the nearest ten.
11. Round 650 to the nearest hundred.
12. Round 371 to the nearest hundred.
13. A baker made 485 cookies on Monday. Rounded to the nearest hundred, about how many cookies did the baker make?
14. Solve:
    435 +281
15. Solve:
    672 +159
16. Solve:
    986 -345
17. Solve:
    543 -267
18. A toy store has 345 red cars and 278 blue cars. How many cars are there in total?
19. Maria read 112 pages of her book last week and 89 pages this week. How many pages did she read altogether?
20. There are 500 pieces in a puzzle. Tom has already placed 235 pieces. How many pieces are left to place?
21. Leo had 250 marbles. He lost 65 of them. How many marbles does he have now?
22. The school library has 875 books. 150 books are checked out. How many books are on the shelves?
23. Sam is saving money for a bike that costs $220. He has already saved $175. How much more money does he need to save?
24. What time is shown on the clock?

          12
       11      1
     10   \    2
    9 ———o     3
      8    /   4
       7      5
          6 
            
25. What time is shown on the clock?

          12
       11 /    1
     10  /     2
    9 —o——     3
      8        4
       7       5
          6 
            
26. Draw the hands on the clock to show 6:30.

          12
       11      1
     10        2
    9    o     3
      8        4
       7       5
          6 
            

27. The soccer game starts at 4:00 PM. It lasts for 1 hour and 15 minutes. What time does the game end?
28. Anna started her homework at 3:30 PM and finished at 4:15 PM. How long did she spend on her homework?
29. A train left the station at 10:00 AM. It arrived at its destination at 1:00 PM. How long was the train ride?
30. I am a 2D shape with 3 sides and 3 vertices. What shape am I?
31. I am a 2D shape with 4 equal sides and 4 right angles. What shape am I?
32. I am a 3D shape with 6 identical square faces, 12 edges, and 8 vertices. What shape am I?
33. Look at the shape below. How many faces does it have?
    +-------+ / /| / / | +-------+ | | | + | | / | |/ +-------+
34. Look at the shape below. Is it a 2D or a 3D shape?
    ***** * * * * * * *****
35. How many vertices (corners) does a triangle have?
36. Find the next number in the pattern: 5, 10, 15, 20,
37. Find the next number in the pattern: 88, 77, 66, 55,
38. Complete the pattern: 3, 6, 9, , 15,
39. Complete the pattern: 100, 90, 80, , 60,
40. What is the rule for this pattern? 2, 4, 8, 16, 32
    A) Add 2      B) Multiply by 2      C) Add 4
    Your choice:

Answer Key

1. 742
2. Nine hundred three
3. 605
4. 20 (or 2 tens)
5. 300 (or 3 hundreds)
6. <
7. >
8. 254, 425, 452
9. 90
10. 120
11. 700
12. 400
13. 500
14. 716
15. 831
16. 641
17. 276
18. 623 cars
19. 201 pages
20. 265 pieces
21. 185 marbles
22. 725 books
23. $45
24. 9:20
25. 10:45
26. Teacher to check drawing: Short hand between 6 and 7, long hand on 6.
27. 5:15 PM
28. 45 minutes
29. 3 hours
30. Triangle
31. Square
32. Cube
33. 6 faces
34. 2D shape
35. 3 vertices
36. 25
37. 44
38. 12, 18
39. 70, 50
40. B (or Multiply by 2)