Lumos Video Store
This page provides a list of educational videos related to 7.NS.A.1. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to 7.NS.A.1.
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.
Division of Rational Numbers
By Khan Academy
This video walks through the division of 4-5 rational numbers and includes a word problem.
Passive Sentences (Part 1)
By Smrt English
Mark demonstrates how to make a sentence in the passive voice using 'be + past participle'.
The Active & Passive Voices #2
By Smrt English
This lesson provides more detailed information about the active and passive voices. Passive sentences are used when it is unnecessary to say "by" an agent and is used as a past participle adjective. Active sentences can be used when speaking in casual situations when the subject is "you" or "we".
The Active & Passive Voices #1
By Smrt English
This lesson explains the reasons and ways to use the active and passive voices. Passive sentences shift the focus from the subject to the object. Passive sentences are used when the agent (doer of the action) is not important or unknown or the agent is clear.
Passive Sentences (Part 2)
By Smrt English
Mark explains the difference between the active voice and the passive voice. He provides reasons why people use the passive voice.
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.������������
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
DEPRECATED Rational number word problems
By Khan Academy
Use your knowledge of proportions and fractions to determine shareholders profit in this word problem.
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.
