Thinkabara

🧮 7th Grade · Math7.SP.A.2Unit 8: Sampling & comparing populations

Inferences from samples

Google Classroom

🎯 Objective: Students estimate population values from samples.

Lesson outline

  1. Bag of beads sampling.
  2. Compare samples.
  3. Discuss variation.
  4. Exit: one estimate.

Lesson 2 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.2

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🔢 Random number generator📚 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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