Thinkabara

🧮 7th Grade · Math7.SP.A.1Unit 8: Sampling & comparing populations

Populations and samples

Google Classroom

🎯 Objective: Students understand why random samples represent a population.

Lesson outline

  1. Biased vs random samples.
  2. Sort examples.
  3. Discuss.
  4. Exit: is this sample biased?

Lesson 1 of 3 in this unit. In the Lesson Planner this lesson takes 1–3 class periods depending on your timetable: day 1 introduce & model, then practice, small-group reteach and a quick check.

📐 Standard

7.SP.A.1

Common Core State Standards for Mathematics, Grade 7 — typical US scope & sequence

🏁 Unit goals

  • Use random samples to draw inferences
  • Compare two populations with center and spread

✅ Check for understanding

End with the exit ticket in the outline. Sort answers into got it / almost / not yet and start the next lesson with a 5-minute reteach for the “not yets”.

Practice & resources on Thinkabara

🎯 Practice: Probability📚 All 7th Grade skills🎮 Learning games⚡ Capy Live class quiz

🗓️ Plan the whole year like this

Add 7th Grade Math to your free Lesson Planner: enter your timetable once and every period shows the next lesson, skipping weekends and school breaks.

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More lessons in “Sampling & comparing populations”

  1. Populations and samples
  2. Inferences from samples
  3. Comparing two groups

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