Math 4 · Unit 9: Comparing, rounding and dividing · Cambridge Primary Maths Stage 4

Questions

1. 1. Round 6543 to the nearest 1000.

   • 6000
   • 6500
   • 6540
   • 7000
   Check

2. 2. Round 3509 to the nearest 10.

   • 3600
   • 3500
   • 3509
   • 3510
   Check

3. 3. Round 3489 to the nearest 10.

   • 3490
   • 3500
   • 3480
   • 3400
   Check

4. 4. Round 4655 to the nearest 10.

   • 4650
   • 4700
   • 4600
   • 4660
   Check

5. 5. Which numbers round to 90 when rounded to the nearest 10? Tick the 3 numbers.

   Tick all the right answers.

   • ☐ 85
   • ☐ 94
   • ☐ 97
   • ☐ 82
   • ☐ 86
   Check

6. 6. Put these numbers in order of size, starting with the smallest.

   Put these in order.

   • 6555
   • 5656
   • 6550
   • 5650
   • 6505
   Check

7. 7. Put these numbers in order of size, starting with the smallest.

   Put these in order.

   • 2341
   • 1234
   • 2413
   • 1432
   • 2134
   Check

8. 8. Which sign makes this correct? 8216 ☐ 8126

   • <
   • =
   • >
   Check

9. 9. Which sign makes this correct? 6031 ☐ 6013

   • =
   • <
   • >
   Check

10. 10. What are the even numbers that can go in the box? 6160 < ☐ < 6170. Tick the 4 numbers.

    Tick all the right answers.

    • ☐ 6162
    • ☐ 6163
    • ☐ 6164
    • ☐ 6166
    • ☐ 6168
    • ☐ 6170
    Check

11. 11. Round 3509 to the nearest 100.

    • 3500
    • 4000
    • 3510
    • 3600
    Check

12. 12. Round 3499 to the nearest 1000.

    • 3400
    • 3500
    • 3000
    • 4000
    Check

13. 13. Round 4655 to the nearest 1000.

    • 4000
    • 5000
    • 4700
    • 4600
    Check

14. 14. Round 4155, 4505 and 5455 to the nearest thousand, hundred and ten. Which row of answers is right? (thousand, hundred, ten)

    • 4155: 4000, 4200, 4160; 4505: 5000, 4500, 4510; 5455: 5000, 5500, 5460
    • 4155: 4000, 4200, 4160; 4505: 5000, 4500, 4510; 5455: 5000, 5400, 5450
    • 4155: 4000, 4100, 4150; 4505: 5000, 4500, 4510; 5455: 5000, 5500, 5460
    • 4155: 4000, 4200, 4160; 4505: 4000, 4500, 4500; 5455: 5000, 5500, 5460
    Check

15. 15. What are the multiples of 10 that can go in the box? 3160 < ☐ < 3190. Tick the 2 numbers.

    Tick all the right answers.

    • ☐ 3160
    • ☐ 3170
    • ☐ 3175
    • ☐ 3180
    • ☐ 3190
    Check

16. 16. Use the digits 2, 3, 5 and 7 once each to make 4-digit numbers. What are the largest and the smallest numbers you can make?

    • Largest 2357, smallest 7532
    • Largest 7532, smallest 2375
    • Largest 7523, smallest 2357
    • Largest 7532, smallest 2357
    Check

17. 17. Mount Everest in Nepal is 8848 metres above sea level. Round 8848 metres to the nearest hundred metres.

    • 8800 metres
    • 8900 metres
    • 8850 metres
    • 9000 metres
    Check

18. 18. Round 3509 to the nearest 1000.

    • 4000
    • 3000
    • 3500
    • 3510
    Check

19. 19. Round 34 999 to the nearest 10 000.

    • 34 000
    • 40 000
    • 30 000
    • 35 000
    Check

20. 20. Round 469 543 to the nearest 100 000.

    • 500 000
    • 400 000
    • 460 000
    • 470 000
    Check