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Pre-algebra

Grade 6 · Math · Free lesson

Welcome! Let's explore how story characters use equations to solve mystery math problems.

In math stories, a letter like x stands for an unknown number. When characters interact with an equation, their choices move the story forward.

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Leo feels nervous when he sees x + 3 = 7. His internal fear turns into action when he subtracts 3 from both sides to find x.

x + 37Keep both sides balanced!

Leo's external choice to subtract 3 balances the scale. The author wrote this to show that doing the same action to both sides solves for x.

x=4
✏️ Worked example

Analyze how Maya solves x + 5 = 12 in a story and explain the author's message.

  1. 1. Identify Maya's internal feeling: She feels curious about the missing number x.
  2. 2. Observe her external response: Maya subtracts 5 from both sides of the balance.
  3. 3. See how this develops the plot: Subtracting 5 reveals that x equals 7.
  4. 4. Explain the author's message: The author shows that equal actions keep equations true.
mathematics
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