7.NS.A Videos - Free Educational Videos for Students in K - 12

Array

Lumos Video Store

This page provides a list of educational videos related to 7.NS.A. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to 7.NS.A.


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.

Multiplying and Dividing Decimals | 7.NS.A.2c | 7th Grade Math


By ParksMath

ParksMath explains how to multiply and divide decimals numbers without the use of a calculator. Understanding how to change a decimal number so that it is an integer, makes multiplying and dividing decimals much easier. This quick tutorial will give you thee tools that you need to find the product or quotient of any decimal number.

Multiplying Fractions and Mixed Numbers | 7.NS.A.2a | 7th Grade Math


By ParksMath

This tutorial shows students how to multipy fractions and mixed numbers. They will learn how to turn mixed numbers into improper fractions and will also see how to apply integer rules when multiplying signed numbers. Simplifying fractions before multiplying is also introduced as a strategy to getting a complete and correct reduced answer.

Multiplying and Dividing Decimals | 7.NS.A.2c | 7th Grade Math


By ParksMath | Todd Parks

ParksMath explains how to multiply and divide decimals numbers without the use of a calculator. Understanding how to change a decimal number so that it is an integer, makes multiplying and dividing decimals much easier. This quick tutorial will give you thee tools that you need to find the product or quotient of any decimal number.

Rational Numbers As Quotients of Integers


By Anil Kumar

every quotient of integers is a rational number.

Division of Rational Numbers


By Khan Academy

This video walks through the division of 4-5 rational numbers and includes a word problem.

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.������������

Dividing mixed numbers


By Khan Academy

Dividing Mixed Numbers

Comparing rational numbers


By Khan Academy

U09_L1_T3_we4 Comparing Rational Numbers

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.

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".