Illustrative Mathematics
Illustrative Mathematics: N Rn Sums of Rational and Irrational Numbers
The goal of this task is to examine sums and products of rational and irrational numbers. One important property of rational numbers is that their decimals always terminate or repeat: using a slightly different formulation, a rational...
Illustrative Mathematics
Illustrative Mathematics: 6.ee,g Sierpinski's Carpet
In this task, 6th graders are presented with a large square divided into 9 squares and the center square is then removed. They are asked to find the area of the 8 remaining squares. Each smaller square is divided in the same way and the...
Oswego City School District
Regents Exam Prep Center: Rational (Fractional) Expressions
A wealth of resources to help you in planning classroom instruction on rational expressions: lesson plans offer guidelines for and examples of simplifying, adding and subtracting, multiplying and dividing rational expressions; practice...
Science Struck
Science Struck: How to Divide Fractions With Whole Numbers
Demonstrates how to divide a fraction by a whole number.
Khan Academy
Khan Academy: Equal Parts of Circles and Rectangles
In this exercise, students practice identifying equal parts of circles and rectangles. Students receive immediate feedback and have the opportunity to get hints, watch a tutorial video, and try questions repeatedly.
Khan Academy
Khan Academy: Halves and Fourths
In this exercise, students practice identifying halves and fourths. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Interpret Dot Plots With Fraction Operations
Interpret fraction data on dot plots to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Area of Rectangles With Fraction Side Lengths
Practice computing the areas of rectangles that have fractional side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Dividing Mixed Numbers
In this exercise, students practice dividing mixed numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Oswego City School District
Regents Exam Prep Center: Multiplying Rational (Fractional) Expressions
Use this site to learn how to simplify rational expressions when multiplication is required. You can practice what you have learned using the problems provided.
Khan Academy
Khan Academy: Rational Number Word Problems
Practice solving rational number word problems.
Khan Academy
Khan Academy: Adding & Subtracting Rational Numbers
Practice adding and subtracting rational numbers of different forms.
Khan Academy
Khan Academy: Intro to Rational Expressions
This lesson will introduce you to rational expressions. You will learn how to determine when a rational expression is undefined and how to find its domain.
Khan Academy
Khan Academy: Writing Proportions
Practice writing proportions to describe real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Volume With Cubes With Fraction Lengths
Find volume of rectangular prisms by using cubes with fraction side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Repeating Decimals 1
Practice changing various fractions to repeating decimals. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told the correct answer. See how...
Math Medics
S.o.s. Math: Multiplying a Whole Number and a Fraction
Explains step-by-step how to multiply a whole number and a fraction. Gives examples and exercises to practice this skill.
Better Lesson
Better Lesson: Partitioning Rectangles and Squares
This site provides six practice activities to learn how to partition a rectangle into rows and columns of same-size squares and count to find the total number of them.