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Level 3-4 Algebra - Expressions

Quiz by Education Quizzes KS3

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10 questions
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  • Q1
    Which of the following is not a mathematical expression?
    6a x 14
    6
    Oh my gosh!
    5a - 4b +16c x 8d
    30s
  • Q2
    In an algebraic expression letters are often used to represent what?
    Only numbers less than 1
    Only numbers greater than 1
    Values
    Other letters
    30s
  • Q3
    Simplify 5a + 7a.
    12aa
    57a
    12a
    57aa
    30s
  • Q4
    Which of these is a simplification of 2a x 3a?
    5a
    6a<sup>2</sup>
    6a
    23aa
    30s
  • Q5
    Simplify 4a + 5b + 6b + 11a
    15a + 11b
    9a + 17b
    26ab
    15a<sup>2</sup> + 11b<sup>2</sup>
    30s
  • Q6
    What is the simplification of 3a + 4b + 6c + 3a - 6c - a - 3b?
    4a + 2b - 3c
    9a - 2b - c
    5a + b
    6a - 3b
    30s
  • Q7
    If I have x rabbits and you have twice as many, how many rabbits have you got?
    x<sup>2</sup>
    2 - x
    2x
    2 + x
    30s
  • Q8
    Jane is c years old and her sister Katie is three years younger so how old is Katie?
    c - 3
    c - 3 - 3
    c3
    c + 3
    30s
  • Q9
    Peter has x brothers, Paul has y brothers and Graham has z brothers. Between the three boys, how many brothers have they got?
    x + y - z
    xyz
    x + y + z
    x - y + z
    30s
  • Q10
    Suzie is x years old and she has a sister called Rosie who is four years older. Rosie's mother was 28 when Rosie was born. How old is Rosie's mother now?
    7x
    x + 32
    x + 28
    x - 4
    30s

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