Illustrative Mathematics
Fractions and Rectangles
Visual models are excellent teaching tools when explaining equivalent fractions. Looking at a rectangle cut into twelfths, learners first identify the shaded fraction, and then explain whether the fraction is equal to one-fourth....
Math Stars
Math Stars: a Problem-Solving Newsletter Grade 7
Put on your thinking caps because middle school math has never been more interesting in this huge resource full of thought provoking questions. Written as a newsletter, the resource has 10 two-page newsletters with a variety of...
Curated OER
Rational Expressions: Simplifying
This two-day activity will help the class simplifying rational expressions. It also has an emphasis on understanding when a rational expression is undefined. The activity contains powerpoint presentations, worksheets, and answer key.
EngageNY
Multiplying and Dividing Rational Expressions
Five out of four people have trouble with fractions! After comparing simplifying fractions to simplifying rational expressions, pupils use the same principles to multiply and divide rational expressions.
Math Stars
Math Stars: a Problem-Solving Newsletter Grade 8
You've just hit the jackpot of integrating math problems and riddles with this jumbo-sized resource! Written as a newsletter, scroll through 35 pages of puzzles and quality problems to engage and encourage your learners to inquire...
EngageNY
Equivalent Rational Expressions
Rational expressions are just fancy fractions! Pupils apply fractions concepts to rational expressions. They find equivalent expressions by simplifying rational expressions using factoring. They include limits to the domain of the...
University of Utah
Rational and Irrational Numbers
Conquer any irrational fears you might have of irrational numbers. As class members investigate how to represent numbers geometrically, they learn about rational and irrational numbers, including approximating and ordering rational...
EngageNY
Adding and Subtracting Rational Expressions
There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.
Curated OER
Measuring Mixed Numbers
Mixed numbers can be added conceptually, algorithmically, and physically. Have the class visualize mixed numbers by adding fraction bars together. They then discover the algorithmic process that simplifies adding mixed numbers. Finally,...
Curated OER
Dividing Fractions
Young scholars solve fractions using division. In this algebra lesson plan, students solve fractions by flipping and multiplying by the reciprocal. They practice dividing fractions with different denominators and simplifying.
Curated OER
Dividing Fractions
Learners solve fractions using division. In this algebra lesson, students solve fractions by flipping and multiplying by the reciprocal. They practice dividing fractions with different denominators and simplifying.
Curated OER
Multiplying Fractions
Students solve fractions by multiplication. For this algebra lesson, students factor fractions by multiplying numerator with numerator and denominator with denominator. They simplify improper fractions.
Curated OER
Subtracting Fractions with Unlike Denominators
Students solve fractions using subtractions and. In this algebra activity, students use the correct steps to solve fractions with unlike denominators when adding and subtracting. They solve by finding a common denominator and...
Curated OER
Operations with Fractions
Students solve fractions using multiplication, subtractions and division. In this algebra lesson, students use the correct steps to solve fractions with unlike denominators when addin g and subtracting. They solve divisions by the...
Mathematics Vision Project
Module 4: Rational Functions
Time to study the most sensible function — rational functions! The seven-lesson unit develops the concept of a rational function through a connection to rational numbers and fractions. Scholars graph functions, solve equations, and...
Curated OER
Finding Fractions
Students identify and solve problems using fractions. In this algebra lesson, students compare fractions and simplify with 80% accuracy. They manipulate fraction on the smart board through simplification.
Curated OER
Comparing Fractions
Young scholars use the assistance of computers to explore reducing fractions. Using various internet activities, students experience comparing and ordering fractions. They develop methods to estimate the value of fractions.
Bowland
Mystery Tours – Plan Your Tour
Everyone loves a vacation and a set of three activities has groups planning a tour of the U.K. using given distance, time, and price data. They solve a variety of problems related to the trip and produce a report on the success of...
CK-12 Foundation
Multiplication of Rational Expressions
There's nothing irrational about this lesson. Explore the process of multiplying rational expressions through discovery. A well-designed lesson has learners factor and multiply rational expressions by dragging factors to the correct...
Texas Instruments
Greatest Common Divisor and Least Common Multiple
Students solve problems using the GCD and LCM. In this algebra lesson, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.
Curated OER
Factor Fun for Fifth Graders
Fifth graders explore common factors. In this factorization lesson, 5th graders discover the greatest common factor among two numbers in a game format. Students build on previous knowledge to determine the greatest common factor.
EngageNY
Estimating Quantities
Apply the concept of magnitude to estimate values and compare numbers. The ninth lesson of the 15-part series asks learners to write numbers to their next greatest power of 10 and then make comparisons. Scholars begin to understand the...
EngageNY
The Decimal Expansion of Some Irrational Numbers
Develop a definition of irrational numbers through an exploration of square roots. The 11th lesson in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends further and further...
Curated OER
Rational Expressions
Learners simplify rational expressions. In this algebra lesson plan, students solve rational equations using multiplication and division. They apply properties of exponents and negative exponents to solve the problems.