Texas Instruments
Texas Instruments: Number and Operation Sense: Rational Numbers
Students learn to use the calculator to collect a set of data in order to identify patterns that illustrate important rational number concepts: the relationship between rational numbers and division, and equivalent fraction and decimal...
Texas Instruments
Texas Instruments: Estimating With Rational Numbers
In this activity, students will round fractions and mixed numbers, and then use their rounding skills to estimate sums, differences, products, and quotients.
Texas Instruments
Texas Instruments: The Tortoise and the Hare
In this activity, students develop patterns using two or more rational number quantities. They comprehend the concept of functions by understanding the relationship between these quantities and their sums.
PBS
Pbs Learning Media: Importance of the Origin
The CyberSquad tries to rescue the Cyberchase Council, which is being held captive by Hacker in this video segment from Cyberchase.
PBS
Pbs Learning Media: Cyberchase: Competing for the Northern Hemisphere Games
In this short Cyberchase video, students learn about positive and negative numbers as Harry tries to score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans. [3:24]
Wikimedia
Wikipedia: Additive Inverse
What is additive inverse? It means "opposite." Find out more about this concept in this detailed definition with examples and links to related terms.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Fracciones, Decimals Y Porcentajes
In Spanish. Interactive activity to help with the understanding of fraction, operation with fractions, converting fractions to decimals and percentages.
Common Core Sheets
Common Core Sheets: Comparing Numbers
Create a activity to assess students knowledge of comparing numbers.
Soft Schools
Soft Schools: Rational Numbers on the Number Line
Practice placing negative and positive numbers on a number line in this interactive self-correcting quiz.
TED Talks
Ted: Ted Ed: A Brief History of Numerical Systems
1, 2, 3, 4, 5, 6, 7, 8, 9 and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of them? And why do we arrange them the way we do? Alessandra King gives a brief history...
Other
Massey University: Maths First: Fractions to Decimals
This site contains example problems that explain the steps for converting fractions to decimals. Students can practice the skill and check their answers immediately.
Alabama Learning Exchange
Alex: The Real Number System
This instructional activity focuses on a clear understanding of the real number system by using a variety of teaching strategies. A graphic organizer on a slideshow illustrates how the classifications of numbers relate. A kinesthetic...
J Coffman
Joseph Coffman's Lecture Notes: Properties of Numbers
The lesson examines properties of real numbers. Students learn about rational numbers, properties of real numbers, and irrational numbers. Examples and an assessment are included.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Los Numerous Reales
In this module you will learn about rational and irrational numbers.
Scholastic
Scholastic: Study Jams! Math: Numbers: Integers
This site provides great practice on the concept of integers. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their knowledge by...
Mr. Martini's Classroom
Mr. Martini's Classroom: Mr. Martini's Classroom: Kids Math Comparing Numbers
Compare numbers from 1 to 40 using inequality symbols and equal sign with this interactive game.
Other
Math Bugs Me: Add Subtract Integers
This website provides students tips on how to add integers using absolute value and by introducing them to a pattern.
Illustrative Mathematics
Illustrative Mathematics: 7.ns, 7.ee Bookstore Account
In this lesson plan, 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 activity, 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.