Math 4 · Unit 1: Numbers and the number system · Cambridge Primary Maths Stage 4

Questions

1. 1. Here is a temperature scale. The temperature is 1° below freezing on a cold day. Which scale has its arrow at this temperature?

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2. 2. Which thermometer has its arrow pointing to −5 °C?

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3. 3. Here are some temperatures: 4 °C, −3 °C, 5 °C, 0 °C, −2 °C. Which is the warmest?

   • −3 °C
   • 4 °C
   • 5 °C
   • 0 °C
   Check

4. 4. Here are some temperatures: 4 °C, −3 °C, 5 °C, 0 °C, −2 °C. Which is the coldest?

   • −2 °C
   • 0 °C
   • 4 °C
   • −3 °C
   Check

5. 5. On a number line, start at −4 and count on 1. Where do you land?

   • −3
   • −5
   • −4
   • 3
   Check

6. 6. On a number line, start at 6 and count back 6. Where do you land?

   • 1
   • 12
   • −6
   • 0
   Check

7. 7. On a number line, start at −5 and count on 3. Where do you land?

   • 2
   • −2
   • −8
   • −3
   Check

8. 8. On a number line, start at 0 and count back 9. Where do you land?

   • −8
   • −10
   • 9
   • −9
   Check

9. 9. Which is the larger number in the pair −6, −2, and what is the difference between them?

   • −2; difference 8
   • −6; difference 8
   • −2; difference 4
   • −6; difference 4
   Check

10. 10. Which is the larger number in the pair −3, −1, and what is the difference?

    • −3; difference 4
    • −1; difference 4
    • −3; difference 2
    • −1; difference 2
    Check

11. 11. Which is the larger number in the pair 4, −4, and what is the difference?

    • 4; difference 4
    • 4; difference 8
    • −4; difference 8
    • 4; difference 0
    Check

12. 12. Here is part of a number line. Write the missing numbers in the boxes.

    Fill the blanks with these.

    • 7
    • −7
    • 4
    • −3
    Check

13. 13. The thermometer shows a temperature of −8 °C. Which thermometer has arrows pointing to −4 °C, 14 °C and −1 °C?

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14. 14. Write the missing numbers: −12, −8, ?, 0, 4, 8, ?

    • −4 and 12
    • −2 and 12
    • −4 and 10
    • −6 and 10
    Check

15. 15. Write the missing numbers: −15, ?, −5, 0, 5, ?, ?

    • −10, 10 and 15
    • −10, 10 and 20
    • −10, 6 and 7
    • −20, 10 and 15
    Check

16. 16. The temperature when Soraya arrived at school was −1 °C. By lunchtime it had risen by 8 °C. What was the temperature at lunchtime?

    • 7 °C
    • 8 °C
    • 9 °C
    • −9 °C
    Check

17. 17. Put these numbers in order on the number line, from smallest to largest.

    Put these in order.

    • −1
    • −2
    • 1
    • −5
    • −3
    Check

18. 18. The temperature in Amsterdam is 2 °C. In Helsinki it is −7 °C. How many degrees warmer is it in Amsterdam?

    • 7
    • 9
    • −5
    • 5
    Check

19. 19. The temperature in the freezer is −15 °C and in the fridge it is 4 °C. What is the difference in temperature?

    • 11 °C
    • −11 °C
    • 15 °C
    • 19 °C
    Check

20. 20. Here is part of a number line. Write the missing numbers in the boxes.

    Fill the blanks with these.

    • 60
    • 80
    • −40
    • −20
    Check