Demystifying - Order of operations review

Goal

Bring the three lessons together: work a multi-step calculation in the agreed order, judge whether a reordering is valid, and pick the statement that checks a result.

Review the order of operations

For the full explanation, return to the lessons on order of operations, checking an answer with the inverse operation and reordering a calculation.

Working in the agreed orderQuestion 1 of 13
  1. 1 Working in the agreed order
  2. 2 Reordering safely
  3. 3 Checking the result

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Work out this calculation.

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Factors and factor pairs

Listing every factor of a number in pairs, so none is missed or repeated.