Math

• What is substitution in mathematics?

  • Replacing a variable with its known value to evaluate an expression or solve an equation.
• What does expanding brackets in algebra involve?

  • Multiplying each term outside the brackets by each term inside the brackets.
• What does factorising in algebra mean?

  • Expressing an algebraic expression as the product of its factors.
• How do you typically solve equations?

  • Use inverse operations to isolate the variable and find its value.
• What does ratio and proportion in mathematics involve?

  • Comparing two or more quantities using ratios
  • Establishing equivalence between two ratios through proportion
  • Using ratios to scale quantities
• What are some common operations involving fractions?

  • Adding, subtracting, multiplying, dividing fractions
  • Simplifying fractions
  • Converting fractions to decimals and vice versa
• What are the key operations related to decimals and percentages?

  • Converting decimals to percentages
  • Converting percentages to decimals
  • Adding, subtracting, multiplying, and dividing decimals
  • Calculating percentages of amounts