Grade 3 Math Worksheet for 9-Year-Olds: Numbers, Operations, Shapes, and Measurements

Instructions

Read each question carefully and answer to the best of your ability. Show your work where you can!

Numbers to 1000

1. Write the number 782 in words.
2. In the number 945, what is the value of the digit 9?
3. Write the number that has 4 hundreds, 0 tens, and 5 ones.
4. Compare the two numbers using <, >, or =.    567 ___ 576
5. What number comes immediately after 999?

Addition and Subtraction

6. 456 + 231 = ?
7. 789 + 123 = ?
8. 305 + 498 = ?
9. Solve: 115 + 240 + 30 = ?
10. 876 - 345 = ?
11. 500 - 250 = ?
12. 642 - 157 = ?
13. A bakery made 320 cookies. They sold 150 cookies. How many cookies are left?

Multiplication and Division

14. 7 x 8 = ?
15. 9 x 5 = ?
16. 10 x 11 = ?
17. If one box holds 6 crayons, how many crayons are in 4 boxes?
18. 3 x ___ = 27
19. 35 ÷ 5 = ?
20. 48 ÷ 6 = ?
21. 72 ÷ 9 = ?
22. Share 24 sweets equally among 3 friends. How many sweets does each friend get?
23. 100 ÷ 10 = ?

Fractions

24. What is 1/2 of 20?
25. Which fraction is larger: 1/4 or 1/3?
26. A pizza is cut into 8 equal slices. If you eat 3 slices, what fraction of the pizza did you eat?
27. In the fraction 3/5, what is the numerator?

Shapes and Angles

28. How many sides does a hexagon have?
29. Is the corner of a square a right angle, smaller than a right angle, or larger than a right angle?
30. What is the name of a 3D shape that looks like a can of soup?
31. How many vertices (corners) does a cube have?
32. Name a 2D shape that has 3 sides.

Time and Measurement

33. A movie starts at 3:00 PM and lasts for 2 hours. What time does it end?
34. How many minutes are in one hour?
35. Which is longer: 1 meter or 105 centimeters?
36. If it is 7:15 AM now, what time will it be in 30 minutes?

Data and Chance

Use the data about "Favorite Pets" below to answer questions 37 and 38.

• Dog: 12 students
• Cat: 8 students
• Fish: 5 students
• Hamster: 3 students

37. Which pet is the most popular?
38. How many more students chose Dog than Cat?
39. If you roll a standard 6-sided die, is it likely, unlikely, certain, or impossible to roll a 7?
40. You have a bag with 9 red marbles and 1 blue marble. Is it likely or unlikely that you will pick a blue marble?

Answer Key

1. Seven hundred eighty-two
2. 900 (or 9 hundreds)
3. 405
4. <
5. 1000
6. 687
7. 912
8. 803
9. 385
10. 531
11. 250
12. 485
13. 170 cookies
14. 56
15. 45
16. 110
17. 24 crayons
18. 9
19. 7
20. 8
21. 8
22. 8 sweets
23. 10
24. 10
25. 1/3
26. 3/8
27. 3
28. 6
29. A right angle
30. Cylinder
31. 8
32. Triangle
33. 5:00 PM
34. 60 minutes
35. 105 centimeters
36. 7:45 AM
37. Dog
38. 4 students
39. Impossible
40. Unlikely