Education Development Center
Adding Fractions with Unlike Denominators
If the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...
Education Development Center
Anita's Way to Add Fractions with Unlike Denominators
Could you develop your own way to add fractions with unlike denominators? An in-depth task has scholars examine a fictional conversation between several people in which they discuss a method of adding fractions with unlike denominators....
Curated OER
Adding Fractions with Like Denominators
Students add fractions with the same denominators. For this algebra lesson, students solve fractions with common denominators. There are ten practice problems to get better at this skill.
Noyce Foundation
Fractured Numbers
Don't use use a fraction of the resource — use it all! Scholars attempt a set of five problem-of-the-month challenges on fractions. Levels A and B focus on creating fractions and equivalent fractions, while Levels C, D, and E touch on...
Curated OER
Do These Add Up?
Common Core mathematical practices require that young mathematicians not only know how to add fractions with unlike denominators, but also to recognize when adding fractions are appropriate for the word problem. Fifth graders are given...
Curated OER
Fractions
Students solve problems with fractions without using a calculator. In this algebra lesson, students practice reducing, converting, adding, subtracting and multiplying fractions. They apply the use of fractions to the real world.
EngageNY
Solving Rational Equations
What do fractions and rational expressions have in common? Everything! Learners use common denominators to solve rational equations. Problems advance from simple to more complex, allowing pupils to fully understand the material before...
Curated OER
Buggin' Out (Identifying and Adding Amounts of Money)
Students explore consumer math by participating in estimate exercises. In this currency lesson, students identify and define each piece of U.S. currency and their value to the monetary system. Students complete several money worksheets...
Curated OER
Go Figure! Using Percents in the Real World
Sixth graders solve sales tax problems. In this solving sales tax problems instructional activity, 6th graders find the sales tax on various items. Students are given a list of expenses that a family spent on vacation before...
Curated OER
Numbers Make Sense
Second graders explore number values by completing estimation problems in class. In this place value lesson, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize flash...
Curated OER
Activity #8 Simulation of Oil Spills
Learners conduct an experiment to simulate an oil spill and identify the characteristics of oil in water. They evaluate the effectiveness of various cleanup methods. They discuss the how to clean up an oil spill, and what causes oil...