Being curious

  • problem

    One wasn't square

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    Mrs Morgan, the class's teacher, pinned numbers onto the backs of three children. Use the information to find out what the three numbers were.

  • Two Clocks
    problem

    Two clocks

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    These clocks have only one hand, but can you work out what time they are showing from the information?

  • Multiples Grid
    problem

    Multiples grid

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    What do the numbers shaded in blue on this hundred square have in common? What do you notice about the pink numbers? How about the shaded numbers in the other squares?

  • Overlaps
    problem

    Overlaps

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    What does the overlap of these two shapes look like? Try picturing it in your head and then use some cut-out shapes to test your prediction.

  • Overlapping Again
    problem

    Overlapping again

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    What shape is the overlap when you slide one of these shapes half way across another? Can you picture it in your head? Use the interactivity to check your visualisation.

  • Table patterns go wild!
    problem

    Table patterns go wild!

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. This problem looks at the patterns on differently sized square grids.

  • Light the Lights Again
    problem

    Light the lights again

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you work out the rule for each light?

  • Different Deductions
    problem

    Different deductions

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    There are lots of different methods to find out what the shapes are worth - how many can you find?

  • problem

    Take your dog for a walk

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    Use the interactivity to move Pat. Can you reproduce the graphs and tell their story?

  • problem

    St Ives

    Age
    7 to 11
    Challenge level
    filled star filled star empty star

    How many people were going to St Ives?