Proportions and Radical Expressions
In this proportions worksheet, students use proportions to solve problems. Students evaluate the square root of given problems. This one-page worksheet contains 17 problems.
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Simplifying a Radical Expression
Starting from the basic definition of a radical as a square root, this short but deep presentation walks the learner through irrational numbers, using prime factorization to simplify square roots, and rationalizing denominators. Each...
8 mins 9th - 12th Math CCSS: Designed
Add, Subtract and Multiply Simple Radical Expressions
Performing arithmetic with radical expressions is one of those summary tasks pulling together a surprising number of subskills. Learners need to simplify radicals, identify common radicands, perform FOIL, along with applying arithmetic...
7 mins 8th - 11th Math CCSS: Designed
Simplifying Radical Fractions
Rationalizing denominators of radical fractions is one of those skills that pulls together understanding of many different concepts. By carefully scaffolding from easy to hard examples and explaining each example step-by-step, this video...
9 mins 9th - 12th Math CCSS: Designed
Simplification of Radical Expressions
This light-hearted presentation starts with the basics of multiplying square roots and simplifying them with prime factorization. It then progresses through using these skills to normalize/rationalize rational expressions that contain...
11 mins 8th - 11th Math CCSS: Designed
Multiply Radical Expressions
This short presentation on multiplying radicals together and with the distributive property does a nice job of working out, step by step, three examples start to finish. Care is taken to separate the radicand multiplication from the...
4 mins 8th - 11th Math CCSS: Designed
Recognizing When Radical Expressions are Undefined
Many times budding algebrists are fine when plugging specific numbers into expressions, but less certain when the range of acceptable values is undetermined. This detailed presentation helps the class move from the point value to the...
6 mins 8th - 12th Math CCSS: Designed
Simplify Expressions by Factoring
Got that factoring thing down? Time to apply it! A helpful video explains the process of simplifying a rational expression, showing pupils how to factor a majority of expressions using special patterns. Here is a great way to begin the...
9 mins 8th - 11th Math CCSS: Designed
Recognizing When a Rational Expression is Undefined
It only takes the denominator to be zero to make an expression undefined. A video resource makes the connection of undefined fractions to rational expressions. It points out that to determine when a rational expression is undefined, you...
5 mins 8th - 11th Math CCSS: Designed