Representing Sets

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Objective

I can use set notation (∈, ∉, ⊆, ⊈, ∪, ∩, ∅) to represent sets and their relationships.

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

12 questions

1

Explain the meaning of "x tal que x" in set notation.

2

Represent the set of even numbers between 1 and 9 using both listing notation (with braces, parentheses, or brackets) and set-builder notation.

Part 3 of 3

Exit ticket

Quick comprehension check

Represent the set of all integers greater than -5 using set-builder notation, including the appropriate symbol for infinity if needed. Represent the set containing the first four positive even numbers using listing notation with braces. Represent the set of all real numbers less than -10 using set-builder notation, including the appropriate symbol for infinity if needed.

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

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