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Math 8 · Unit 2: Expressions, formulae and equations · Cambridge Lower Secondary Maths Stage 8

2.1 Constructing expressions

15 questions · e.g. Write 'add 5 to x'.

Practice

Questions

  1. 1. Write 'add 5 to x'.

    Check

  2. 2. Write 'double y then subtract 1'.

    Check

  3. 3. Write 'subtract 3 from x'.

    Check

  4. 4. Simplify 3x + 2x.

    Check

  5. 5. Simplify 4a + 3b − a + 2b.

    Check

  6. 6. Ali has n sweets. Bea has 4 more than double Ali's. How many has Bea?

    Check

  7. 7. A pen costs p cents and a book costs b cents. Cost of 3 pens and 2 books?

    Check

  8. 8. Write 'x divided by 4, then add 1'.

    Check

  9. 9. Simplify 5m × 3.

    Check

  10. 10. Simplify 2x × 3y.

    Check

  11. 11. Perimeter of a rectangle with sides a and b?

    Check

  12. 12. Simplify 7y − 7y.

    Check

  13. 13. Simplify x + x + x.

    Check

  14. 14. Simplify x × x × x.

    Check

  15. 15. Simplify 6p − 2q + p − 5q.

    Check