Math 4 · Unit 6: 2D shapes · Cambridge Primary Maths Stage 4

Questions

1. 1. In the worked example, the shape has 6 sides and 6 vertices. What is it called?

   • a hexagon
   • a pentagon
   • a heptagon
   • an octagon
   Check

2. 2. How many of the 5 shapes in the bottom row of the polygon maze are polygons?

   • 5
   • 2
   • 4
   • 3
   Check

3. 3. Which pieces of the tangram could make the black shape?

   • large triangle A and small triangle D
   • large triangles A and B
   • medium triangle F only
   • square E and small triangles D and G
   Check

4. 4. The black shape is made with large triangle A and 3 more pieces. Which 3 pieces could they be?

   • square E and small triangles D and G
   • parallelogram C, square E and medium triangle F
   • large triangle B and small triangle D
   • medium triangle F only
   Check

5. 5. Which pieces of the tangram could make the black shape?

   • large triangle A only
   • large triangle A and small triangle D
   • medium triangle F and square E
   • large triangles A and B
   Check

6. 6. Copies of the regular triangle tessellate to fill this space. The space is as wide as 4 triangles side by side and as tall as 2 triangles. How many whole triangles fit in the space?

   • 14
   • 12
   • 8
   • 16
   Check

7. 7. Which 4 pieces of the tangram could make the black trapezium?

   • medium triangle F and square E
   • parallelogram C, square E, medium triangle F and small triangle D
   • parallelogram C, square E and small triangles D and G
   • large triangles A and B
   Check

8. 8. The black shape is made with 5 pieces: large triangle A and 4 more. Which 4 pieces could they be?

   • large triangle B, square E and small triangles D and G
   • parallelogram C, square E, medium triangle F and small triangle D
   • parallelogram C, square E and small triangles D and G
   • large triangle B, parallelogram C, medium triangle F and small triangle D
   Check

9. 9. Which 3 pieces of the tangram could make the black shape?

   • medium triangle F, parallelogram C and small triangle D
   • large triangle A, square E and small triangle D
   • large triangles A and B and small triangle D
   • medium triangle F and parallelogram C
   Check

10. 10. What two shapes make this tessellating pattern?

    • octagons and squares
    • octagons and triangles
    • circles and squares
    • hexagons and squares
    Check

11. 11. The tangram pieces can be rearranged to fit into this grey shape. What is the grey shape?

    • a square
    • a parallelogram with no right angles
    • a rectangle
    • a trapezium
    Check

12. 12. What shapes make this tessellating pattern?

    • triangles and pentagons
    • squares and hexagons
    • triangles only
    • squares and triangles
    Check