Math 7 · Unit 2: Expressions, formulae and equations · Cambridge Lower Secondary Maths Stage 7

Questions

1. 1. What does x < 9 mean?

   • x is equal to 9
   • x is greater than 9
   • 9 is less than x
   • x is less than 9
   Check

2. 2. True or false? x > 3 means 'x is less than 3'.

   • True
   • False
   Check

3. 3. True or false? x < 2 means 'x is greater than 2'.

   • True
   • False
   Check

4. 4. True or false? x > 7 means 'x is greater than 7'.

   • True
   • False
   Check

5. 5. Match each inequality with its correct meaning.

   • x > 4
   • x < 4
   • x > 12
   • x < 12

   • x is greater than 12.
   • x is greater than 4.
   • x is less than 12.
   • x is less than 4.
   Check

6. 6. Write this statement as an inequality: x is greater than 2.

   • x > −2
   • x > 2
   • x < 2
   • x = 2
   Check

7. 7. Write this statement as an inequality: y is greater than 5.

   • y > 5
   • y < 5
   • y = 5
   • y > −5
   Check

8. 8. Write this statement as an inequality: m is less than 15.

   • m = 15
   • m > 15
   • m < 15
   • m < −15
   Check

9. 9. Write this statement as an inequality: b is less than 7.

   • b < −7
   • b > 7
   • b = 7
   • b < 7
   Check

10. 10. Which inequality matches this number line?

    • x > 5
    • x < 5
    • x > −5
    • x < −5
    Check

11. 11. How do you show the inequality y < 15 on a number line from 12 to 17?

    • An open circle at 15 with an arrow pointing right
    • An open circle at 14 with an arrow pointing left
    • A filled circle at 15 with an arrow pointing left
    • An open circle at 15 with an arrow pointing left
    Check

12. 12. How do you show the inequality y > 15 on a number line from 12 to 17?

    • An open circle at 15 with an arrow pointing right
    • An open circle at 16 with an arrow pointing right
    • An open circle at 15 with an arrow pointing left
    • A filled circle at 15 with an arrow pointing right
    Check

13. 13. Write down the inequality shown on this number line. Use the letter x.

    • x > −1
    • x > 2
    • x < −2
    • x > −2
    Check

14. 14. Write down the inequality shown on this number line. Use the letter x.

    • x < 2
    • x > −2
    • x < −2
    • x < −3
    Check

15. 15. How do you show x > 8 on a number line from 7 to 11?

    • An open circle at 8 with an arrow pointing left
    • An open circle at 8 with an arrow pointing right
    • A filled circle at 8 with an arrow pointing right
    • An open circle at 9 with an arrow pointing right
    Check

16. 16. How do you show x < −3 on a number line from −5 to −1?

    • An open circle at −3 with an arrow pointing left
    • An open circle at 3 with an arrow pointing left
    • An open circle at −4 with an arrow pointing left
    • An open circle at −3 with an arrow pointing right
    Check

17. 17. Write down the inequality shown on this number line. Use the letter x.

    • x < 15
    • x < 14
    • x > 14
    • x < 13
    Check

18. 18. Write down the inequality shown on this number line. Use the letter x.

    • x < 32
    • x > 33
    • x > 31
    • x > 32
    Check

19. 19. Write down the inequality shown on this number line. Use the letter x.

    • x > −7
    • x < −8
    • x > −8
    • x > 8
    Check

20. 20. Write down the inequality shown on this number line. Use the letter x.

    • x > −1
    • x < 0
    • x < 1
    • x < −1
    Check