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  • Subject : Mathematics
  • Year: 10
  • Chapter: 22 More Equations, Formula and Functions
  • Key Learning Area: Setting Up Equations

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Starter ( 2minutes)

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Starter ( Self Assessment)

  1. 𝟒𝒙 = 𝟑𝟐 → 𝒙 =
  2. 12𝒙 = 𝟗𝟔 → 𝒙 = 𝟖
  3. 𝒙 + 𝟏𝟐 = 𝟓𝟓 → 𝒙 = 𝟒𝟑
  4. 𝒙 + 𝟏𝟑 = 𝟐𝟓 → 𝒙 = 𝟏𝟐
  5. 𝒙 − 𝟔 = 𝟏𝟒 → 𝒙 = 𝟐𝟎
  6. 𝟗 − 𝒙 = −𝟓 → 𝒙 = 𝟏𝟒
  7. 𝒙
  8. 𝟕 = 𝟐. 𝟓 → 𝒙 = 𝟏𝟕. 𝟓

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𝟐𝟖

𝒙

= 𝟒 → 𝒙 = 𝟕

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Solving Problems:

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Example 1

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Example 1

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A father is 30 years older than his son. In 10 years, he will be twice as old as his son. How old are they now?

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A father is 30 years older than his son. In 10 years, he will be twice as old as his son. How old are they now?

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Example 2

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Example 2

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Mini Plenary

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3 minutes

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Mini Plenary

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3 minutes

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Justify your answer. (2 min)

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Justify your answer. (2 min)

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𝑥 = 2

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Plenary: (5 minutes)

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Plenary: (5 minutes)

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