Cambridge Stage 3 Math Worksheet: Numbers, Geometry, and Operations for Upper Primary Students

Instructions

Answer all the questions below to the best of your ability. Show your working out where necessary.

1. How many hundreds, tens, and units are in the number 582?
2. What is the value of the digit 7 in the number 743?
3. Round 348 to the nearest hundred.
4. Imagine the letter F. If you 'flip' this letter horizontally (like looking in a mirror), which way will the horizontal lines point?
5. Write the number 903 in expanded form.
6. What is the number 12 written in Roman numerals?
7. The temperature is 1°C. It drops by 3°C. What is the new temperature?
8. List the first five multiples of 6.
9. A film starts at 4:15 PM and lasts for 1 hour and 30 minutes. What time does it end?
10. How many lines of symmetry does a square have?
11. A rectangle has a length of 8 cm and a width of 3 cm. What is its perimeter?
12. What is the area of a rectangle that has a length of 5 cm and a width of 4 cm?
13. Can a regular pentagon be used to tessellate a surface (tile a flat space with no gaps or overlaps)? Answer Yes or No.
14. How many faces does a cube have?
15. What is the name of a 2D shape with 6 sides?
16. Calculate: 45 × 3 =
17. Calculate: 574 + 289 =
18. Calculate: 802 - 156 =
19. Calculate: 72 ÷ 8 =
20. What is ¹⁄₂ of 18?
21. Write the number that has 4 hundreds, 0 tens, and 5 units.
22. Round 67 to the nearest ten.
23. The time is 9:50 AM. How many minutes are there until 10:00 AM?
24. Which fraction is larger: ¹⁄₄ or ¹⁄₃?
25. Imagine a number line. If you start at -2 and move 5 places to the right (in the positive direction), what number do you land on?

Answer Key

1. 5 hundreds, 8 tens, 2 units
2. 700 (seven hundred)
3. 300
4. To the left.
5. 900 + 3
6. XII
7. -2°C
8. 6, 12, 18, 24, 30
9. 5:45 PM
10. 4
11. 22 cm
12. 20 cm²
13. No
14. 6
15. Hexagon
16. 135
17. 863
18. 646
19. 9
20. 9
21. 405
22. 70
23. 10 minutes
24. ¹⁄₃
25. 3