Real Number Sets

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Objective

I can tell the difference between rational and irrational numbers and find rational numbers that are close to irrational numbers.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

Define a rational number and provide three examples.

2

Define an irrational number and provide two examples that were not mentioned in the video.

Part 3 of 3

Exit ticket

Quick comprehension check

Classify the following number as rational or irrational: 0.123123123... Explain your reasoning. Classify the following number as rational or irrational: √7. Explain your reasoning. Find a rational number between 3.1 and π. Explain how you know it falls between these two values.

Sample answer included in the free materials

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Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

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