Mental calculations

  • Double or Halve?
    problem

    Double or halve?

    Age
    5 to 7
    Challenge level
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    Throw the dice and decide whether to double or halve the number. Will you be the first to reach the target?

  • 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?

  • Fruity Pairs
    problem

    Fruity pairs

    Age
    5 to 7
    Challenge level
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    Which two items of fruit could Kate and Sam choose? Can you order the prices from lowest to highest?

  • Subtraction Slip
    problem

    Subtraction slip

    Age
    5 to 7
    Challenge level
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    Can you spot the mistake in this video? How would you work out the answer to this calculation?

  • Equivalent Pairs
    problem

    Equivalent pairs

    Age
    5 to 7
    Challenge level
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    Can you match pairs of cards which show the same amount?

  • problem

    Noah

    Age
    5 to 7
    Challenge level
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    Noah saw 12 legs walk by into the Ark. How many creatures did he see?

  • problem

    Ladybirds in the garden

    Age
    5 to 7
    Challenge level
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    In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?

  • Find the Difference
    problem

    Find the difference

    Age
    5 to 7
    Challenge level
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    Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.

  • Pass the Peas, Please
    game

    Pass the peas, please

    Age
    5 to 7
    Challenge level
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    A game for 2 or more players. Practise your addition and subtraction with the aid of a game board and some dried peas!