Visual Fractions
Visual Fractions: Fraction Division With Lines
Once the dividend is correctly identified, a rectangle representing the divisor will appear. The divisor is the horizontal distance of the blue arrow. The program will not continue unless the dividend or the divisor are correctly...
Illustrative Mathematics
Illustrative Mathematics: 5.nf Standing in Line
The purpose of this task is for students to solve a problem in context that can be solved in different ways, but in particular by dividing a whole number by a unit fraction. Aligns with 6.NS.A.1.
Visual Fractions
Visual Fractions: Strict Fraction Division With Lines
Use this interactive site from Visual Fractions to divide fractions. Your answers need to be given in lowest terms. Explanations are available for each question, and you receive immediate feedback for your answers.
Illustrative Mathematics
Illustrative Mathematics: 3.nf Find 1 Starting From 5/3, Assessment Variation
This is the third of three summative assessment tasks for 3.NF.2 that progress in difficulty. Each requires that students understand a fraction as a number on the number line and represent fractions on a number line diagram. Aligns with...
Illustrative Mathematics
Illustrative Mathematics: Running to School
This is the easiest problem in a series of three tasks involving fraction multiplication that can be solved with pictures or number lines. Aligns with 5.NF.B.6.
Illustrative Mathematics
Illustrative Mathematics: Half of a Recipe
This is the third problem in a series of three tasks involving fraction multiplication that can be solved with pictures or number lines. Aligns with 5.NF.B.6.
Illustrative Mathematics
Illustrative Mathematics: Folding Strips of Paper
The purpose of this task is to provide students with a concrete experience they can relate to fraction multiplication. Perhaps more importantly, the task also purposefully relates length and locations of points on a number line, a common...
Better Lesson
Better Lesson: How Close Is "Close"?
A lesson where students are comparing decimals and fractions to generate ones that fall between "close" numbers. Lesson includes worksheets and videos to help implement the lesson with a class.
Illustrative Mathematics
Illustrative Mathematics: 3.nf Jon and Charlie's Run
The purpose of this task is to present students with a context where they need to explain why two simple fractions are equivalent and are most appropriate for instruction. Students can illustrate the fact that the two fractions are...
Homeschool Math
Homeschool Math: The Concept of Mixed Numbers
Lesson shows the concept of a mixed number with the help of visual models and number lines.
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.
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.
Educaplus (Jesús Peñas Cano)
Educaplus: Fracciones
In this simulation you can compare fractions with decimals on a given number line.
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."
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.