Triangles

  • Triangle Shapes
    problem

    Triangle shapes

    Age
    5 to 11
    Challenge level
    filled star empty star empty star
    This practical problem challenges you to create shapes and patterns with two different types of triangle. You could even try overlapping them.
  • Cutting it Out
    problem

    Cutting it out

    Age
    5 to 11
    Challenge level
    filled star empty star empty star
    I cut this square into two different shapes. What can you say about the relationship between them?
  • Jig Shapes
    problem

    Jig shapes

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

    Can you each work out what shape you have part of on your card? What will the rest of it look like?

  • Sorting Logic Blocks
    problem

    Sorting logic blocks

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

    This activity focuses on similarities and differences between shapes.

  • Folding Flowers 2
    problem

    Folding flowers 2

    Age
    7 to 11
    Challenge level
    filled star empty star empty star
    Make a flower design using the same shape made out of different sizes of paper.
  • Tri.'s
    problem

    Tri.'s

    Age
    7 to 11
    Challenge level
    filled star empty star empty star
    How many triangles can you make on the 3 by 3 pegboard?
  • A pair of scissors about to cut the corner of a blue piece of paper.
    problem

    Cutting corners

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

    Can you make the most extraordinary, the most amazing, the most unusual patterns/designs from these triangles which are made in a special way?

  • A section of a bracelet made of colourful beads.
    problem

    Bracelets

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

    Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?

  • Tessellating Triangles
    problem

    Tessellating triangles

    Age
    7 to 11
    Challenge level
    filled star empty star empty star
    Can you make these equilateral triangles fit together to cover the paper without any gaps between them? Can you tessellate isosceles triangles?