Classifying Numbers

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Objective

I can classify a given number as natural, integer, rational, irrational, or real.

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 the set of natural numbers and provide three examples.

2

Explain the difference between integers and whole numbers. Give an example of an integer that is not a whole number.

Part 3 of 3

Exit ticket

Quick comprehension check

Classify the number -3/4 into as many of the following sets as possible: natural, integer, rational, irrational, and real. Classify the number √16 into as many of the following sets as possible: natural, integer, rational, irrational, and real. Classify the number √5 into as many of the following sets as possible: natural, integer, rational, irrational, and real.

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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