Subjects
Mathematics
Geometry
INTRODUCTION TO GEOMETRY
Angles
Lesson
TRIANGLES
The angles of a triangle
The perimeter of a triangle
The area of a triangle
QUADRANGLES
The geometry of quadrilaterals
The perimeter of a quadrilateral
Squares and rectangles
Other quadrilaterals
CIRCLES
The circumference of a circle
The area of a circle
The area and perimeter of a circular sector
PERIMETER, AREA AND VOLUME
Calculating the area of a complex shape
The perimeter of a polygon
Rounding and estimates
THREE-DIMENSIONAL FIGURES
Cubes and cuboids
The surface area of a cube and a cuboid
Prisms
Cylinders
The surface area of a cone
SCALE AND SYMMETRY
Scale
Area scale and volume scale
CONSTRUCTING SHAPES
Constructing angles and bisectors without protractor
Constructing triangles
Constructing quadrangles
Building polyhedrons
