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

Questions

1. 1. Write down the missing number. ☐ + 4 = 6

   • 10
   • 2
   • 4
   • 3
   Check

2. 2. Write down the missing number. ☐ + 1 = 6

   • 7
   • 4
   • 6
   • 5
   Check

3. 3. Write down the missing number. ☐ + 2 = 10

   • 5
   • 10
   • 12
   • 8
   Check

4. 4. Write down the missing number. 8 − ☐ = 5

   • 5
   • 13
   • 3
   • 4
   Check

5. 5. Write down the missing number. 9 − ☐ = 2

   • 7
   • 2
   • 11
   • 6
   Check

6. 6. Write down the missing number. 17 − ☐ = 10

   • 7
   • 10
   • 27
   • 3
   Check

7. 7. Copy and complete this flow chart to work out the value of x. x + 3 = 7

   Fill the blanks with these.

   • 10
   • 4
   • 3
   Check

8. 8. Copy and complete this flow chart to work out the value of x. x + 1 = 9

   Fill the blanks with these.

   • 10
   • 9
   • 8
   Check

9. 9. Copy and complete this flow chart to work out the value of x. x + 6 = 11

   Fill the blanks with these.

   • 5
   • 6
   • 17
   Check

10. 10. Copy and complete this flow chart to work out the value of x. x + 2 = 13

    Fill the blanks with these.

    • 11
    • 15
    • 13
    Check

11. 11. Copy and complete this flow chart to work out the value of x. x + 4 = 12

    Fill the blanks with these.

    • 3
    • 8
    • 16
    Check

12. 12. Copy and complete this flow chart to work out the value of x. x + 9 = 15

    Fill the blanks with these.

    • 6
    • 24
    • 15
    Check

13. 13. Copy and complete this flow chart to work out the value of x. x − 1 = 5

    Fill the blanks with these.

    • 6
    • 1
    • 4
    Check

14. 14. Copy and complete this flow chart to work out the value of x. x − 3 = 8

    Fill the blanks with these.

    • 8
    • 5
    • 11
    Check

15. 15. Copy and complete this flow chart to work out the value of x. x − 2 = 9

    Fill the blanks with these.

    • 7
    • 18
    • 11
    Check

16. 16. Copy and complete this flow chart to work out the value of x. x − 5 = 12

    Fill the blanks with these.

    • 7
    • 17
    • 12
    Check

17. 17. Copy and complete this flow chart to work out the value of x. x − 10 = 8

    Fill the blanks with these.

    • 8
    • 18
    • 2
    Check

18. 18. Copy and complete this flow chart to work out the value of x. x − 4 = 5

    Fill the blanks with these.

    • 5
    • 9
    • 1
    Check

19. 19. Copy and complete this flow chart to work out the value of y. 2y = 6

    Fill the blanks with these.

    • 12
    • 3
    • 4
    Check

20. 20. Copy and complete this flow chart to work out the value of y. 4y = 8

    Fill the blanks with these.

    • 32
    • 4
    • 2
    Check