Khan Academy
Khan Academy: Add & Subtract Rational Expressions
Example: Subtract and simplify (a-2)/(a+2) - (a-3)/(a^2+4a+4).
Khan Academy
Khan Academy: Add & Subtract Rational Expressions: Like Denominators
Example: Add and simplify 6/(2x^2-7) + (-3x-8)/(2x^2-7).
Khan Academy
Khan Academy: Add & Subtract Rational Expressions: Factored Denominators
Example: Add and simplify x/(2x+1)(x-7) + 2x^2/(2x-3)(x-7).
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Solve Equations W/rationals
Practice solving equations with rational numbers in them. 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...
Khan Academy
Khan Academy: Absolute Value to Find Distance
Practice taking the absolute value of the difference of two numbers to find the distance between those numbers. Apply this principle to solve word problems. Students receive immediate feedback and have the opportunity to try questions...
CK-12 Foundation
Ck 12: Arithmetic: Repeating Decimals
[Free Registration/Login may be required to access all resource tools.] In this lesson students write fractions and mixed numbers as repeating decimals. Students examine guided notes, review guided practice, watch instructional videos...
Alabama Learning Exchange
Alex: Calm and Erratic!
During this lesson, students will learn why numbers are rational or irrational. Rational numbers are numbers that can be written in the form a/b. Irrational numbers cannot be expressed in the form a/b, where a and b are integers.
Help Algebra
Help algebra.com: The Real Number System
Natural numbers, whole numbers, integers and rational numbers begin this lesson on the real number system. You can also learn more about the number line and absolute value. Examples and diagrams are included to enhance understanding.
PBS
Pbs Learning Media: Pearl Diver
Play a fast-paced video game that involves finding rational numbers on the number line. This game from Math Snacks focuses on using what you know about positive and negative numbers and fractions to place them correctly on the variable...
PBS
Pbs: Building a Number Line
Recall the definitions of four different sets of numbers. This interactive illustration focuses on displaying counting numbers, integers, rational numbers, and real numbers on a number line, providing the opportunity to visualize number...
Texas Instruments
Texas Instruments: Comparing and Ordering
In this activity, students can use a number line to locate and compare rational numbers.
Illustrative Mathematics
Illustrative Mathematics: 7.ns, 7.ee Bookstore Account
In this lesson, 7th graders add and subtract rational numbers to solve word problems.
Illustrative Mathematics
Illustrative Mathematics: 7.ns Distances on the Number Line 2
In this lesson, 7th graders add and subtract rational numbers on a number line.
Illustrative Mathematics
Illustrative Mathematics: 7.ns Comparing Freezing Points
In this lesson plan, 7th graders compare freezing points by adding and subtracting rational numbers.
Illustrative Mathematics
Illustrative Mathematics: 7.ns Differences and Distances
In this lesson plan, 7th graders explore the differences and distances using a number line and adding and subtracting rational numbers.
Illustrative Mathematics
Illustrative Mathematics: 7.ns Distances Between Houses
In this lesson plan, 7th graders determine the distance between houses by adding and subtracting rational numbers.
Illustrative Mathematics
Illustrative Mathematics: 7.ns Rounding and Subtracting
This lesson plan has students subtract and round rational numbers.
Illustrative Mathematics
Illustrative Mathematics: 5.nf Fundraising
This task asks students to multiply rational numbers. Aligns with 5.NF.B.5.
Mangahigh
Mangahigh: Number: Multiply and Divide by a Number Between 0 and 1
This site provides students practice with the concept of multiplying rational numbers . Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Doina Popovici
Math Play: Changing Fractions and Decimals to Percents
This Millionaire Game challenges students to convert fractions and decimals to percents. Students will use decimal notation with denominators of 10 and 100 and convert rational numbers to decimals using long division.
Common Core Sheets
Common Core Sheets: The Number System 7.ns.2c Worksheets
Print or create worksheets or flashcards to assess students' understanding of multiplication of rational numbers with Commutative Property.
Common Core Sheets
Common Core Sheets: The Number System 7.ns.3 Worksheets
Print or create worksheets or flashcards to assess students' understanding of operations to add, subtract, multiply, and divide rational numbers.
Better Lesson
Better Lesson: Assessment Day
SWBAT use strategies to identify rational numbers on a number line.
Curated OER
Lesson Plan: What Is It? Rational Numbers
This site is a great place for lesson information on the concept of rational numbers. Three other tabs are available besides the-What Is It? tab. They are: Tips and Tricks, When Students Ask, and Lesson Ideas. Each tab has just the right...
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