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Explain the reasons for changing two-factor multiplication calculations to three-factor calculations

Quiz by Oak National Academy: KS2 Maths (2)

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6 questions
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  • Q1
    Which statement is correct about this array?
    Question Image
    There are 2 groups of 8 × 4
    There are 8 groups of 4 × 2
    There are 4 groups of 8 x 2
    30s
  • Q2
    Tick all the statements or expressions that are true about the representation.
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    Sorting
    30s
  • Q3
    Tick the array that has been divided correctly into 3 factors.
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    30s
  • Q4
    Which pair of factors would you choose for this calculation to calculate most efficiently?
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    30s
  • Q5
    Tick the correct calculations.
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    30s
  • Q6
    Andeep is calculating 5 × 48 He says he has simplified his calculation to 5 × 8 × 6 to make it easier. Which statement is correct?
    He could simplify it further by using 2 × 24
    This is the most efficient calculation.
    He could simplify it further by using 4 × 12
    30s

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