Products & Sums of Rational and Irrational Numbers Activity
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What educators are saying
This was the perfect lesson to introduce my high achieving fifth graders to rational and irrational numbers. It led to many good discussions. Thank you!
This was a very hands on way for students to discover patterns surrounding rational and irrational numbers. I will definitely use it again.
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Description
In this challenging activity, students explore multiplying and adding rational and irrational numbers.
- First students identify numbers as rational or irrational.
- Then, students use those numbers to create multiplication and addition equations. Once they figure out the equations, a pattern will emerge.
Students will discover that the sum or product of two rational numbers is rational, and the sum or product of a rational and irrational number is irrational.
This inquiry lesson will really get students thinking. It works great for partners.
Answer key is included.
This activity was made specifically to target this CCSS standard:
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.
Total Pages
7 pages
Answer Key
Included
Teaching Duration
1 hour
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Standards
to see state-specific standards (only available in the US).
CCSSHSN-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.
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