Rationalizing the Denominator
Common Core (The Real Number System)
Common Core for Mathematics
Examples, solutions, videos, and lessons to help High School students learn how to rationalize the denominator.
Common Core: HSN-RN.B.3
Rationalizing the Denominator Part 1 of 7
Rationalizing the Denominator Part 2 of 7
Radical and number.
Radical in the numerator and denominator. Rationalizing the Denominator Part 4 of 7
Denominator has two terms - need to use conjugates. Rationalizing the Denominator Part 5 of 7
Denominator has two radical terms - need to use conjugates. Rationalizing the Denominator Part 6 of 7
Mixed problems to practice. Rationalizing the Denominator Part 7 of 7
Practice all the steps given above.
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
Penguin Solitaire:
Move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).
Sawayama Solitaire:
This is similar to the common Klondike Solitaire except for a few changes to make it more strategic.
Check out more Solitaire games here.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.