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

Questions

1. 1. Copy and complete the boxes to work out 5 × 13. Fill the two empty cells of the grid and the box for the answer.

   Fill the blanks with these.

   • 18
   • 65
   • 50
   • 53
   • 15
   Check

2. 2. Copy and complete the boxes to work out 2 × 38. Fill the two empty cells of the grid and the box for the answer.

   Fill the blanks with these.

   • 40
   • 16
   • 68
   • 60
   • 76
   Check

3. 3. Copy and complete the boxes to work out 7 × 21. Fill the two empty cells of the grid and the box for the answer.

   Fill the blanks with these.

   • 140
   • 7
   • 147
   • 141
   • 28
   Check

4. 4. Copy and complete the boxes to work out 4 × 17. Fill the two empty cells of the grid and the box for the answer.

   Fill the blanks with these.

   • 40
   • 47
   • 28
   • 21
   • 68
   Check

5. 5. Simplify 3 × x.

   • 3/x
   • 3x
   • 3 + x
   • x³
   Check

6. 6. Simplify 4 × p.

   • 4 + p
   • 4p
   • p⁴
   • 4/p
   Check

7. 7. Simplify 9 × f.

   • 9f
   • 9 + f
   • f⁹
   • 9/f
   Check

8. 8. Simplify 5 × m.

   • m⁵
   • 5m
   • 5 + m
   • 5/m
   Check

9. 9. Copy and complete the boxes to simplify 2(x + 3). Fill the two empty cells of the grid. The first one has been done for you.

   Fill the blanks with these.

   • 5x
   • 6
   • 5
   • 2x
   Check

10. 10. Copy and complete the boxes to simplify 3(x + 4). Fill the two empty cells of the grid.

    Fill the blanks with these.

    • 7x
    • 3x
    • 7
    • 12
    Check

11. 11. Copy and complete the boxes to simplify 5(m + 1). Fill the two empty cells of the grid.

    Fill the blanks with these.

    • 6m
    • 6
    • 5m
    • 5
    Check

12. 12. Copy and complete the boxes to simplify 4(n + 2). Fill the two empty cells of the grid.

    Fill the blanks with these.

    • 8
    • 6
    • 4n
    • 6n
    Check

13. 13. Copy and complete the boxes to simplify 3(x − 2). Fill the two empty cells of the grid. The first one has been done for you.

    Fill the blanks with these.

    • −6
    • 6
    • 3x
    • x
    Check

14. 14. Copy and complete the boxes to simplify 5(x − 6). Fill the two empty cells of the grid.

    Fill the blanks with these.

    • 5x
    • −30
    • −11
    • 30
    Check

15. 15. Copy and complete the boxes to simplify 2(y − 4). Fill the two empty cells of the grid.

    Fill the blanks with these.

    • −2
    • 8
    • 2y
    • −8
    Check

16. 16. Copy and complete the boxes to simplify 6(k − 3). Fill the two empty cells of the grid.

    Fill the blanks with these.

    • −18
    • 6k
    • 18
    • −9
    Check

17. 17. Expand the brackets. 3(a + 2)

    • 3a + 6
    • a + 6
    • 3a − 6
    • 3a + 2
    Check

18. 18. Expand the brackets. 5(b + 3)

    • 5b + 3
    • 5b + 8
    • 5b − 15
    • 5b + 15
    Check

19. 19. Expand the brackets. 3(c + 2)

    • c + 6
    • 3c − 6
    • 3c + 6
    • 3c + 2
    Check

20. 20. Expand the brackets. 5(d − 1)

    • d − 5
    • 5d − 1
    • 5d − 5
    • 5d + 5
    Check