1.1.3 Applying the order of operations (BIDMAS/BODMAS)

• What is the first operation performed in the expression 4 + 3 × 2 according to BIDMAS?

  Multiplication
• What does the acronym BIDMAS/BODMAS stand for?

  Order of mathematical operations
• Steps to calculate the total cost of 4 bananas and 3 apples using BIDMAS

  1️⃣ Multiply 4 × 10p

  2️⃣ Multiply 3 × 20p

  3️⃣ Add the results
• What mathematical operation does the symbol '–' represent?

  Subtraction
• What is the mathematical operation represented by the symbol '÷' or '/'?

  Division
• What does the 'I' in BIDMAS stand for?

  Indices
• What does BIDMAS/BODMAS help with?

  Order of operations
• Arrange the mathematical operations in the correct order according to BIDMAS:

  1️⃣ Brackets

  2️⃣ Indices

  3️⃣ Division

  4️⃣ Multiplication

  5️⃣ Addition

  6️⃣ Subtraction
• What are indices also known as in BIDMAS/BODMAS?

  Orders
• What is the result of 4 + 3^2?

  13
• What is the difference between BIDMAS and BODMAS?

  Indices vs. Orders
• What mathematical operation does the symbol '()' represent?

  Brackets
• What is the acronym used for the order of operations?

  BIDMAS/BODMAS
• What is the result of 5 × (2 + 3)?

  25
• Identify the mathematical operations in the expression 3 × (4 + 2) – 5^2 in the order they appear.

  1️⃣ Brackets

  2️⃣ Exponents

  3️⃣ Multiplication

  4️⃣ Addition

  5️⃣ Subtraction
• Steps for applying BIDMAS/BODMAS

  1️⃣ Calculate inside brackets

  2️⃣ Evaluate exponents

  3️⃣ Perform divisions and multiplications from left to right

  4️⃣ Perform additions and subtractions from left to right
• Solve the complex expression 2 × (3 + 5) – 4² step-by-step.

  1️⃣ 2 × (3 + 5) – 4²

  2️⃣ 2 × 8 – 4²

  3️⃣ 2 × 8 – 16

  4️⃣ 16 – 16

  5️⃣ 0
• What do indices refer to in BIDMAS/BODMAS?

  Exponents
• What is the result of 8 ÷ 2 × 3?

  12
• How much does one banana cost in the example?

  10p
• What is the correct order of operations in BIDMAS/BODMAS?

  1️⃣ Brackets (Parentheses)

  2️⃣ Indices (Orders)

  3️⃣ Division and Multiplication

  4️⃣ Addition and Subtraction
• What is the result of 10 – 4 + 7?

  13
• What is the total cost of the party example?

  £21
• How much does one apple cost in the example?

  20p
• What is the result of the expression 2 + 3 × 4 when solved using BIDMAS/BODMAS?

  14
• Steps to evaluate the expression 4 + 3 × 2 using BIDMAS

  1️⃣ Multiply 3 × 2

  2️⃣ Simplify multiplication to 6

  3️⃣ Add 4 and 6