Math & Geometry guides

• Roman Numeral: 5 Mistakes to Avoid

  Avoid the most common errors when calculating roman numeral, with the correct formula and a worked example.

• Decimal to Binary: 5 Mistakes to Avoid

  Avoid the most common errors when calculating decimal to binary, with the correct formula and a worked example.

• Binary to Decimal: 5 Mistakes to Avoid

  Avoid the most common errors when calculating binary to decimal, with the correct formula and a worked example.

• Hex to Decimal: 5 Mistakes to Avoid

  Avoid the most common errors when calculating hex to decimal, with the correct formula and a worked example.

• Area of a Circle: 5 Mistakes to Avoid

  Avoid the most common errors when calculating area of a circle, with the correct formula and a worked example.

• Area of a Rectangle: 5 Mistakes to Avoid

  Avoid the most common errors when calculating area of a rectangle, with the correct formula and a worked example.

• Area of a Square: 5 Mistakes to Avoid

  Avoid the most common errors when calculating area of a square, with the correct formula and a worked example.

• Area of a Triangle: 5 Mistakes to Avoid

  Avoid the most common errors when calculating area of a triangle, with the correct formula and a worked example.

• Triangle Area from Three Sides (Heron's Formula): 5 Mistakes to Avoid

  Avoid the most common errors when calculating triangle area from three sides (heron's formula), with the correct formula and a worked example.

• Area of a Trapezium: 5 Mistakes to Avoid

  Avoid the most common errors when calculating area of a trapezium, with the correct formula and a worked example.

• Area of a Parallelogram: 5 Mistakes to Avoid

  Avoid the most common errors when calculating area of a parallelogram, with the correct formula and a worked example.

• Area of an Ellipse: 5 Mistakes to Avoid

  Avoid the most common errors when calculating area of an ellipse, with the correct formula and a worked example.

• Area of a Rhombus: 5 Mistakes to Avoid

  Avoid the most common errors when calculating area of a rhombus, with the correct formula and a worked example.

• Area of a Sector: 5 Mistakes to Avoid

  Avoid the most common errors when calculating area of a sector, with the correct formula and a worked example.

• Circumference of a Circle: 5 Mistakes to Avoid

  Avoid the most common errors when calculating circumference of a circle, with the correct formula and a worked example.

• Perimeter of a Rectangle: 5 Mistakes to Avoid

  Avoid the most common errors when calculating perimeter of a rectangle, with the correct formula and a worked example.

• Perimeter of a Square: 5 Mistakes to Avoid

  Avoid the most common errors when calculating perimeter of a square, with the correct formula and a worked example.

• Perimeter of a Triangle: 5 Mistakes to Avoid

  Avoid the most common errors when calculating perimeter of a triangle, with the correct formula and a worked example.

• Perimeter of an Ellipse: 5 Mistakes to Avoid

  Avoid the most common errors when calculating perimeter of an ellipse, with the correct formula and a worked example.

• Arc Length: 5 Mistakes to Avoid

  Avoid the most common errors when calculating arc length, with the correct formula and a worked example.

• Volume of a Cube: 5 Mistakes to Avoid

  Avoid the most common errors when calculating volume of a cube, with the correct formula and a worked example.

• Volume of a Cuboid: 5 Mistakes to Avoid

  Avoid the most common errors when calculating volume of a cuboid, with the correct formula and a worked example.

• Volume of a Sphere: 5 Mistakes to Avoid

  Avoid the most common errors when calculating volume of a sphere, with the correct formula and a worked example.

• Volume of a Cylinder: 5 Mistakes to Avoid

  Avoid the most common errors when calculating volume of a cylinder, with the correct formula and a worked example.

• Volume of a Cone: 5 Mistakes to Avoid

  Avoid the most common errors when calculating volume of a cone, with the correct formula and a worked example.

• Volume of a Square Pyramid: 5 Mistakes to Avoid

  Avoid the most common errors when calculating volume of a square pyramid, with the correct formula and a worked example.

• Volume of a Hemisphere: 5 Mistakes to Avoid

  Avoid the most common errors when calculating volume of a hemisphere, with the correct formula and a worked example.

• Surface Area of a Cube: 5 Mistakes to Avoid

  Avoid the most common errors when calculating surface area of a cube, with the correct formula and a worked example.

• Surface Area of a Cuboid: 5 Mistakes to Avoid

  Avoid the most common errors when calculating surface area of a cuboid, with the correct formula and a worked example.

• Surface Area of a Sphere: 5 Mistakes to Avoid

  Avoid the most common errors when calculating surface area of a sphere, with the correct formula and a worked example.