Addition and subtraction

  • Making Longer, Making Shorter
    problem

    Making longer, making shorter

    Age
    5 to 7
    Challenge level
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    Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?

  • Secret Number
    problem

    Secret number

    Age
    5 to 7
    Challenge level
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    Annie and Ben are playing a game with a calculator. What was Annie's secret number?

  • problem

    Caterpillars

    Age
    5 to 7
    Challenge level
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    These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?

  • 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!

  • problem

    The amazing splitting plant

    Age
    5 to 7
    Challenge level
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    Can you work out how many flowers there will be on the Amazing Splitting Plant after it has been growing for six weeks?

  • 2, 4, 6, 8
    problem

    2, 4, 6, 8

    Age
    5 to 7
    Challenge level
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    Using the cards 2, 4, 6, 8, +, - and =, what number statements can you make?

  • Number Round Up
    problem

    Number round up

    Age
    5 to 7
    Challenge level
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    Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.

  • The tomato and the bean
    problem

    The tomato and the bean

    Age
    5 to 7
    Challenge level
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    At the beginning of May, Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?

  • problem

    The Brown family

    Age
    5 to 7
    Challenge level
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    Use the information about Sally and her brother to find out how many children there are in the Brown family.