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Factorising expressions

Quiz by Oak National Academy: KS3 Maths (2)

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6 questions
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  • Q1
    1, 2, 3, 6, z, 2z, 3z and 6z are __________ of 18yz and 24xyz
    common multipliers
    common factors
    variables
    products
    30s
  • Q2
    List all the factors of 7xy
    1, 7, x, 7x, y, 7y, xy, 7xy
    7, x, y
    1, 7, 7x, 7y, 7xy
    7, 7x, 7y
    7, 7x, 7y, 7xy
    30s
  • Q3
    Which is not a factor pair for 30ab^2c ?
    abc \times 30b
    2abc \times 15bc
    2ab \times 15bc
    3ab \times 10bc
    b^2 \times 30ac
    30s
  • Q4
    List the common factors of 5cd and 35de
    1, 5
    1, 5, d, 5d
    d, 5d
    35cde, 70cde, 105cde...
    1, 5d
    30s
  • Q5
    Find the highest common factor of the terms 8ab and 20b^2
    4
    2b
    4b
    b
    2
    30s
  • Q6
    Find the HCF of the terms in the expression 6d^3e^2f -8d^2ef^2+10d^3e
    2de
    6d^2e
    4d^2e
    2d^2
    2d^2e
    30s

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