# Pi Day: Rational and Irrational Numbers

Subjects
Resource Types
Common Core Standards
Product Rating
4.0
File Type
PDF (Acrobat) Document File
0.78 MB   |   4 pages

### PRODUCT DESCRIPTION

This hidden message puzzle is great to use when teaching how to identify rational and irrational numbers. It works great as a Pi Day activity too!

The puzzle asks students to shade the irrational numbers. The problems are simple to complex. Students will need to simplify many of the expressions before knowing if they are rational or irrational. Once the puzzle is shaded correctly, it says, "3.14 is pi day."

A great formative assessment and self-assessment for students.

You will receive a PDF of the one-page activity puzzle and the answer key.

Common Core Standards:
CCSS.Math.Content.8.NS.A.1
Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number.
CCSS.Math.Content.HSN.RN.B.3
Explain why the sum or product of two rational numbers is rational; that the sum of a rational number and an irrational number is irrational; and that the product of a nonzero rational number and an irrational number is irrational.

Thank you for your interest in this product by Rise over Run. Check out Locating Rational and Irrational Numbers on a Number Line!

Total Pages
4
Included
Teaching Duration
30 Minutes

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