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?

  • Sealed Solution
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    Sealed Solution

    Age
    7 to 14
    Challenge level

    Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?

  • 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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