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Order of operations (BODMAS)

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Intros
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Lessons
  1. What is PEDMAS?
  2. i) How to add decimals?
    ii) How to subtract decimals?
  3. How to multiply decimals?
  4. How to divide decimals?
  5. Sign rules for Addition and Subtraction
  6. Sign rules for Multiplication and Division
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Examples
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Lessons
  1. Evaluate
    1. 3 + 4 × 2
    2. 9 – 6 ÷ (2 + 4)
    3. 8 – 3 + 2² × (7 – 6)
  2. This statement is missing a - and × sign. Where should the operations go to make the statement correct?
    7.6 __ 5__ 9.2 = 28.8
  3. The Steven's purchased a 5.4 pound bag of apples at a cost of 54 cents per pound. They also bought 3 coffees at a cost of $1.50 each and 3 salads for $4 each. How much did they spend in total? Write a single expression to show how to calculate the answer. Use a calculator to find the value of the expression.
  4. To train for an open water swim event, Samantha swims 2 km per day on Mondays and Wednesdays and bikes 10.5km per day on Tuesdays and Thursdays. How many km in total does she swim and bike each week?