Math & Geometry guides

• Surface Area of a Cone Formula Explained, With Examples

  The surface area of a cone formula broken down input by input, with worked examples and a table of results.

• Surface Area of a Hemisphere Formula Explained, With Examples

  The surface area of a hemisphere formula broken down input by input, with worked examples and a table of results.

• Percentage: 5 Mistakes to Avoid

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

• What Percent Is X of Y: 5 Mistakes to Avoid

  Avoid the most common errors when calculating what percent is x of y, with the correct formula and a worked example.

• Percentage Change: 5 Mistakes to Avoid

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

• Percentage Increase: 5 Mistakes to Avoid

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

• Percentage Decrease: 5 Mistakes to Avoid

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

• Percentage Difference: 5 Mistakes to Avoid

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

• Average (Mean): 5 Mistakes to Avoid

  Avoid the most common errors when calculating average (mean), with the correct formula and a worked example.

• Median: 5 Mistakes to Avoid

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

• Mode: 5 Mistakes to Avoid

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

• Range: 5 Mistakes to Avoid

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

• Standard Deviation: 5 Mistakes to Avoid

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

• Weighted Average: 5 Mistakes to Avoid

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

• GCD (HCF): 5 Mistakes to Avoid

  Avoid the most common errors when calculating gcd (hcf), with the correct formula and a worked example.

• LCM: 5 Mistakes to Avoid

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

• Factorial: 5 Mistakes to Avoid

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

• Square Root: 5 Mistakes to Avoid

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

• Cube Root: 5 Mistakes to Avoid

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

• Exponent: 5 Mistakes to Avoid

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

• Logarithm: 5 Mistakes to Avoid

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

• Quadratic Equation: 5 Mistakes to Avoid

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

• Pythagorean Theorem: 5 Mistakes to Avoid

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

• Fraction Simplifier: 5 Mistakes to Avoid

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

• Ratio Simplifier: 5 Mistakes to Avoid

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

• Decimal to Fraction: 5 Mistakes to Avoid

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

• Scientific Notation: 5 Mistakes to Avoid

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

• Rounding: 5 Mistakes to Avoid

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

• Prime Number: 5 Mistakes to Avoid

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

• Number to Words: 5 Mistakes to Avoid

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