Rational Numbers and Decimals Videos - Free Educational Videos for Students in K - 12

Array

Lumos Video Store

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


[8.NS.1-3.0] Irrational Numbers - Common Core Standard


By Front Row

Convert a decimal expansion which repeats eventually into a rational number.

Right Ratio Of Rest (Pt 3): Rational Numbers


By NASAconnect

In the third segment of the Right Ratio of Rest: Proportional Reasoning Jennifer Pulley explains three types of rational numbers: Fractions Decimals and Percents.

Relevance: Use of Irrational Numbers


By laneCrease

Discovery Education Video. Video discusses irrational numbers such as the number pi because it has no decimal equivalent. Then it discusses how irrational numbers relate to rational numbers. Video is good quality and good for all students as a review or initial learning of the topic.

Sums and products of irrational numbers


By Khan Academy

Thinking about whether the sums and products of irrational numbers are rational or irrational.

15 - Complex Numbers & the Complex Plane


By Math and Science

Quality Math And Science Videos that feature step-by-step example problems!

[7.EE.3-1.0] Solve Multi-Step Problems - Common Core Standard


By Front Row

Discover more Common Core Math at https://www.frontrowed.comSolve multi-step mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate.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

Decimals on the number line 2


By Khan Academy

Learn how to find decimals with hundredths on a number line.

Addition and subtraction with number lines


By Khan Academy

Sal figures out which number line matches up with a 2-digit addition or subtraction problem.

Addition and subtraction with significant figures | Decimals | Pre-Algebra | Khan Academy


By Khan Academy

This video shows us the rules for adding and subtracting measurements to show our level of accuracy. Note that the rules for addition/subtraction with significant figures are VERY different than the rules for mulitplication/division. Think about which number is the most precise!

10 - What are Imaginary Numbers?


By Math and Science

Quality Math And Science Videos that feature step-by-step example problems!

Addition and Subtraction of Rational Numbers (Part 1 of 2)


By MathwithMrAlmeida

Addition and Subtraction of Rational Numbers (Part 1 of 2)

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.

Fractions on the Number Line


By MathwithMrAlmeida

In this Singapore math lesson Mr. Almeida represents fractions on the number line by first defining how many parts make 1 whole. Then naming each part a fractional unit and counting that many units. This illustrates Common Core math standard 3.NF2.b.

Plot Fractions on the Number Line


By MathwithMrAlmeida

This video plots 6 fractions and operations with fractions on the number line. It ends by plotting all the same fractions on the number line and identify a pair of equivalent fractions and comparing each number's distance from zero.