Lumos Video Store
This page provides a list of educational videos related to 7.NS.A.2.C. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to 7.NS.A.2.C.
Rational Numbers As Quotients of Integers
By Anil Kumar
every quotient of integers is a rational number.
Multiplying and dividing negative numbers
By Khan Academy
Find the product of numbers with different signs.
Multiplying and dividing negative numbers
By Khan Academy
Use the distributive property to understand the products of negative numbers.
Multiplying and dividing negative numbers
By Khan Academy
Use the repeated addition model of multiplication to give an understanding of multiplying negative numbers.
Multiplying and dividing negative numbers
By Khan Academy
Learn some rules of thumb for multiplying positive and negative numbers.
Multiplying and dividing negative numbers
By Khan Academy
Discover the basics of dividing with negative numbers.������������
Division of Rational Numbers
By Khan Academy
This video walks through the division of 4-5 rational numbers and includes a word problem.
Order of operations with negative numbers
By Khan Academy
Work through another challenging order of operations example with only positive numbers.
Order of operations with negative numbers
By Khan Academy
This example clarifies the purpose of order of operations: to have ONE way to interpret a mathematical statement.
Order of operations with negative numbers
By Khan Academy
Simplify this tricky expression using the order of operations. ������������ Expression include negative numbers and exponents.
Fractional Exponent Expressions 2
By Khan Academy
Fractional Exponent Expressions 2. All Khan Academy content is available for free at www.khanacademy.org
Converting fractions to decimals
By Khan Academy
This is a great example of converting a fraction to a decimal. Use a scratch pad so you can follow along.
Converting fractions to decimals
By Khan Academy
Sometimes when you convert a fraction to a decimal you have to do some long division and rounding.
Comparing rational numbers
By Khan Academy
Converting fractions to decimals sometimes requires us to brush up on our long division skills. We'll walk you through it.
Classifying numbers
By Khan Academy
Learn how to classify numbers as whole numbers, integers, rational numbers, and irrational numbers.
[7.NS.3-1.0] Solve Real-World Problems - Common Core Standard
By Front Row
Discover more Common Core Math at https://www.frontrowed.comSolve real-world and mathematical problems involving the four operations with rational numbers.Front Row is a free, adaptive, Common Core aligned math program for teachers and students in kindergarten through eighth grade. Front Row allows students to practice math at their own pace - learning advanced concepts when they're ready and receiving remediation when they struggle. Front Row provides teachers with access to a detailed data dashboard and weekly email reports that show which standards are causing students difficulty, what small groups can be formed for interventions, and how their students are progressing in math.Discover more Common Core Math at https://www.frontrowed.com
7.NS.A.1b / 7.NS.A.1c - Addition and Subtraction of Rational Numbers (Part 1 of 2)
By MathwithMrAlmeida
Watch Mr. Almeida fully explain how to add and subtract rational numbers using vectors and the concept of a number line.