Factors and multiples

  • Tables Teaser
    problem

    Tables teaser

    Age
    5 to 7
    Challenge level
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    How will you work out which numbers have been used to create this multiplication square?

  • Gabriel's Problem
    problem

    Gabriel's problem

    Age
    11 to 14
    Challenge level
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    Gabriel multiplied together some numbers and then erased them. Can you figure out where each number was?

  • Multiple Surprises
    problem

    Multiple surprises

    Age
    11 to 16
    Challenge level
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    Sequences of multiples keep cropping up...

  • Got \It for Two
    game

    Got it for two

    Age
    7 to 14
    Challenge level
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    Got It game for an adult and child. How can you play so that you know you will always win?

  • Guess the Dominoes for Two
    problem

    Guess the dominoes for two

    Age
    7 to 11
    Challenge level
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    Guess the Dominoes for child and adult. Work out which domino your partner has chosen by asking good questions.

  • Doubling Fives
    problem

    Doubling fives

    Age
    5 to 7
    Challenge level
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    This activity focuses on doubling multiples of five.

  • Multiply Multiples 3
    problem

    Multiply multiples 3

    Age
    7 to 11
    Challenge level
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    Have a go at balancing this equation. Can you find different ways of doing it?