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Day 2 — Multiplier versus totalYear 11 Maths · T1 W1–2 · Day 2 lesson

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Year 11 / Term 1 / Weeks 01 02 / Mathematics

Part of the full two-week lesson sequence. Check the pack guide and taught point before teaching.

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Learner choices

Success: compute a fictional 1.25 multiplier without mistaking it for a $1.25 addition.

  1. Predict · 2 min. Ask if Saturday model rate at 1.25 times $24 is above or below $24.
  2. Model · 4 min. Split 1.25=1+0.25: $24 + one quarter of $24 ($6) = $30 per hour.
  3. Guided · 5 min. Calculate four Saturday paid hours = $120; compare five base hours = $120. Label equal totals, unequal hours/rates.
  4. Independent variation · 7 min. Find Saturday totals for 2 and 6 paid hours; explain which operation applies before multiplying hours.
  5. Error audit · 4 min. Discuss fabricated $24+$1.25=$25.25. Students explain why multiplier has no dollar unit and the answer should be $30.
  6. Exit · 3 min. Key: 2 h=$60; 6 h=$180; 1.25×$24/h=$30/h under this fictional card.

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