TED Talks
Ted: Ted Ed: How Big Is Infinity?
Explore the concept of infinity using the fundamentals of set theory in this animated video. [7:13]
Khan Academy
Khan Academy: Units
In this exercise, students solve word problems that involve using different units. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Educaplus (Jesús Peñas Cano)
Educaplus: Fracciones
In this simulation you can compare fractions with decimals on a given number line.
NumberNut
Number Nut: Adding Money Under Ten Dollars
Add money amounts under ten dollars. Numbers, not coins, are used in this activity. The decimals are lined up for you in the problem. There are ten random questions.
University of Georgia
University of Georgia: Intermath: Denominator
This one page website provides a definition for denominator and numerator. It also give examples.
Curated OER
Low Terms
Practice finding the lowest term name for a variety of different fractions using a number line.
Alabama Learning Exchange
Alex: How Low Can You Go?
In this lesson, students will identify and locate numberspostive and negative numbers, including decimals and fractions on a number line. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
PBS
Pbs: Multiplying and Dividing With Negatives
Deepen your understanding of multiplication and division of rational numbers. This interactive exercise focuses on the rules for finding the products and quotients of positive numbers, negative numbers, and fractions and then finding the...
BBC
Bbc Bitesize: Ratio
You can pick up some valuable ratio pointers here. When you finish working your way through the three instructional pages, go on to the Activity for some practice, or take an online "Test Bite" and check your understanding.
Curated OER
Minuend Subrahend Image
Use this interactive site from Visual Fractions to practice subtraction with fractions on a number line. You will receive immediate feedback on your answers.
Curated OER
Subtract Image With Borrowing
Use this interactive site from Visual Fractions to practice subtraction with fractions on a number line. You will receive immediate feedback on your answers.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Fraction Equivalence, Ordering, and Operations
A guide to support parents as they work with their students in fraction equivalence, ordering, and operations.
Richland Community College
Richland Community College: Math 116 Lecture Notes
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."
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