Before I teach my algebra students to rationalize the denominator, I try to answer the looming question: why do we rationalize the denominator? I realize that rationalizing the denominator has gone out of fashion as a result of the Common Core State Standards, but the topic is still required by the Oklahoma math standards. I …

# Rationalizing the Denominator

I created this question stack activity to give my students some much-needed practice with rationalizing the denominator. Question stacks are one of my favorite practice structures. Students are given a double-sided deck of ten cards. One side of the card features a question. The other side features the answer to a DIFFERENT question. Students …

I created this rationalizing the denominator practice book for my trigonometry students to glue in their interactive notebooks. Rationalizing the denominator shows up in so many trig problems, so I made a poof book with rationalizing the denominator practice problems inside. Free Download of Rationalizing the Denominator Practice Book

I created this conjugates interactive notebook page for my Algebra 2 students to glue in their notebooks. Free Download of Conjugates INB Page

I created this short and simple set of rationalizing the denominator notes for my Algebra 2 students to glue in their interactive notebooks. We used this in conjunction with the graphic organizer I created for dividing radicals. We filled in the blanks to complete the four steps for rationalizing the denominator. We followed this up …