Year 4 Explaining, convincing and proving

  • Discuss and Choose
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    Discuss and Choose

    Age
    5 to 11
    Challenge level

    This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.

  • Times Tables Shifts
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    Times Tables Shifts

    Age
    7 to 11
    Challenge level

    In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?

  • Digit Discovery
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    Digit Discovery

    Age
    7 to 11
    Challenge level

    Here is an interesting property about two sets of digits. Can you work out what the digits might be?

  • Stringy Quads
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    Stringy Quads

    Age
    7 to 11
    Challenge level

    This practical problem challenges you to make quadrilaterals with a loop of string. You'll need some friends to help!

  • Sealed Solution
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    Sealed Solution

    Age
    7 to 14
    Challenge level

    The sum of the numbers inside an envelope is written on the outside. What could the numbers be?

  • A chopped carrot beside a whole carrot. The carrot top sits away from the chopped carrot.
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    Remainders

    Age
    7 to 14
    Challenge level

    I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?

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