Chapter 10: Length, perimeter and area Notes

Sections

1. 10A Metric units of length Mastered

   Millimetres, centimetres, metres and kilometres, converting between them, and choosing sensible units.

   Open notes
2. 10B Perimeter Mastered

   Finding the perimeter of polygons and rectilinear (L-shaped) figures, including missing side lengths.

   Open notes
3. 10C Pi and the circumference of a circle Mastered

   Parts of a circle, the number pi, and the circumference formulas C = πd and C = 2πr, including perimeters of semicircles.

   Open notes
4. 10D Area of rectangles and triangles Mastered

   Units of area and converting between them, and the area formulas for squares, rectangles and triangles.

   Open notes
5. 10E Area of parallelograms and composite figures Mastered

   The area of a parallelogram, and finding the area of composite shapes by adding or subtracting simpler shapes.

   Open notes