This is part of our collection of favourite rich tasks arranged by topic.

If you are a teacher, you can find the whole collection on our Primary Curriculum teacher page.
Alternatively, if you are a student, you'll find the same problems on our Primary Curriculum student page.


  • Round the Two Dice
    problem
    Favourite

    Round the Two Dice

    Age
    5 to 7
    Challenge level
    1 out of 3

    This activity focuses on rounding to the nearest 10.

  • swimming pool
    problem
    Favourite

    Swimming Pool

    Age
    5 to 11
    Challenge level
    1 out of 3

    In this swimming pool, the steps go below the water. How could you number the steps below the water?

  • problem
    Favourite

    Venn Diagrams

    Age
    5 to 11
    Challenge level
    1 out of 3

    How will you complete these interactive Venn diagrams?

  • 100 Square Jigsaw
    problem
    Favourite

    100 Square Jigsaw

    Age
    5 to 11
    Challenge level
    1 out of 3

    Can you complete this jigsaw of the 100 square?

  • That number square
    problem
    Favourite

    That Number Square

    Age
    5 to 11
    Challenge level
    1 out of 3

    How quickly can you put the number tiles in the right place on the number square?

  • A yellow skipping rope with blue handles.
    problem
    Favourite

    Would You Rather?

    Age
    7 to 11
    Challenge level
    1 out of 3

    Would you rather: Have 10% of £5 or 75% of 80p? Be given 60% of 2 pizzas or 26% of 5 pizzas?

  • A wooden noughts and crosses game, with three crosses in a diagonal row.
    problem
    Favourite

    First Connect Three

    Age
    7 to 11
    Challenge level
    1 out of 3

    Can you add or subtract the two numbers on the spinners to complete a row of three?

  • Highest and Lowest
    problem
    Favourite

    Highest and Lowest

    Age
    7 to 11
    Challenge level
    1 out of 3

    Put operations signs between the numbers 3, 4, 5 and 6. What answers can you make?

  • problem
    Favourite

    Which Is Quicker?

    Age
    7 to 11
    Challenge level
    1 out of 3

    Which is quicker, counting up to 30 in ones or counting up to 300 in tens? Why?

  • Tug Harder!
    problem
    Favourite

    More Tug of War

    Age
    7 to 11
    Challenge level
    1 out of 3

    In this game, you can add, subtract, multiply or divide the numbers on the dice. Which will you choose?

  • Sea Level
    problem
    Favourite

    Sea Level

    Age
    7 to 11
    Challenge level
    1 out of 3

    What numbers would you put on this number line as it goes under the sea level?

  • Round the Dice Decimals 2
    problem
    Favourite

    Round the Dice Decimals 2

    Age
    7 to 11
    Challenge level
    1 out of 3

    What happens when you round these numbers to the nearest whole number?

  • Roman Numerals
    problem
    Favourite

    Roman Numerals

    Age
    7 to 11
    Challenge level
    1 out of 3

    When are Roman numerals shorter than Arabic numerals for the same number?

  • Carrying Cards
    problem
    Favourite

    Carrying Cards

    Age
    7 to 11
    Challenge level
    1 out of 3

    These rows of children are holding cards with numbers on them. Can you work out the missing numbers?

  • Multiplication Square Jigsaw
    problem
    Favourite

    Multiplication Square Jigsaw

    Age
    7 to 11
    Challenge level
    1 out of 3

    Can you complete this jigsaw of the multiplication square?

  • Theatre masks showing 'comedy' and 'tragedy'.
    problem
    Favourite

    Nice or Nasty

    Age
    7 to 11
    Challenge level
    1 out of 3

    Will you play the nice or the nasty version of this dice game?

  • Round the Four Dice
    problem
    Favourite

    Round the Four Dice

    Age
    7 to 11
    Challenge level
    1 out of 3

    This activity involves rounding four-digit numbers to the nearest thousand.

  • Round the Three Dice
    problem
    Favourite

    Round the Three Dice

    Age
    7 to 11
    Challenge level
    1 out of 3

    What happens when you round these three-digit numbers to the nearest 100?

  • Round the Dice Decimals 1
    problem
    Favourite

    Round the Dice Decimals 1

    Age
    7 to 11
    Challenge level
    1 out of 3

    What happens when you round these decimals to the nearest whole number?

  • Which Scripts?
    problem
    Favourite

    Which Scripts?

    Age
    7 to 11
    Challenge level
    1 out of 3

    There are six numbers written in five different scripts. Can you sort out which is which?

  • Olympic Starters
    problem
    Favourite

    Olympic Starters

    Age
    7 to 11
    Challenge level
    1 out of 3

    Look at these results from past Olympic Games. How do you compare if you try some similar activities?

  • problem
    Favourite

    Factor-Multiple Chains

    Age
    7 to 11
    Challenge level
    2 out of 3

    Can you see how these factor-multiple chains work? What can you find out about them?

  • Now and Then
    problem
    Favourite

    Now and Then

    Age
    7 to 11
    Challenge level
    2 out of 3

    Have a look at these past sporting results. Can you use them to predict future results?

  • Less is More
    problem
    Favourite

    Less Is More

    Age
    7 to 14
    Challenge level
    1 out of 3

    Use your knowledge of place value to try to win this game. How will you maximise your score?

  • Dicey Operations
    game
    Favourite

    More Dicey Operations

    Age
    7 to 14
    Challenge level
    1 out of 3

    In these multiplication and division games, you'll need to think strategically to get closest to the target.

  • Dicey Operations
    game
    Favourite

    Dicey Operations

    Age
    7 to 14
    Challenge level
    1 out of 3

    In these addition and subtraction games, you'll need to think strategically to get closest to the target.

  • Consecutive Numbers
    problem
    Favourite

    Consecutive Numbers

    Age
    7 to 14
    Challenge level
    1 out of 3

    What can you discover about adding and subtracting sets of consecutive numbers?

  • Reasoned Rounding
    problem
    Favourite

    Reasoned Rounding

    Age
    7 to 14
    Challenge level
    1 out of 3

    Four strategy dice games to consolidate pupils' understanding of rounding.

  • Diagonal Sums
    problem
    Favourite

    Diagonal Sums

    Age
    7 to 14
    Challenge level
    2 out of 3

    In this 100 square, what is the sum of the numbers that are diagonally opposite each other?

  • problem
    Favourite

    Three Neighbours

    Age
    7 to 14
    Challenge level
    2 out of 3

    Take three consecutive numbers and add them together. What do you notice?

  • Number Lines in Disguise
    problem
    Favourite

    Number Lines in Disguise

    Age
    7 to 14
    Challenge level
    2 out of 3

    Some of the numbers have fallen off Becky's number line. Can you figure out what they were?