Curated Video
Finding the Missing Length of a Rectangle Using the Perimeter Formula
In this video, the teacher explains how to determine the missing length of a rectangle by applying the perimeter formula. They give examples and guide the viewers through the steps using variables and equations.
Curated Video
Adding Decimals
Use the traditional method and place value to add decimals to hundredths.
Curated Video
Adding Decimals Using a Number Line
In this lesson, students will learn how to add decimals using a number line. Review number lines and how they can represent both whole numbers and fractions. Understand the importance of correctly marking fractions on the number line....
Curated Video
Adding Rational Numbers
In this video lesson we will learn the rules for adding rational numbers. We will apply the rules we have learned for adding integers. When adding the same signed rational values, we will add the absolute values and keep the sign. When...
Curated Video
Using Money in the Real World
In this short math video we will answer a standardized math question demonstrating we are proficient using money in the real world. We will begin by understanding what the question is asking us to do and identify the information...
TED Talks
Shigeru Ban: Emergency shelters made from paper
Long before sustainability was a buzzword, architect Shigeru Ban was using ecologically sound building materials such as cardboard tubes. He uses them to build remarkable temporary structures for disaster-struck nations such as Haiti,...
Brian McLogan
Learn how to subtract a smaller decimal from a larger decimal
👉 You will learn how to add and subtract numbers in decimal form. When adding and subtracting decimals it is very important to align the decimal points and use zero as space holders. Then you will apply the operations just like we do in...
Brian McLogan
How to subtract a larger decimal from a smaller decimal
👉 You will learn how to add and subtract numbers in decimal form. When adding and subtracting decimals it is very important to align the decimal points and use zero as space holders. Then you will apply the operations just like we do in...
Let's Tute
Microsoft Excel Tutorial: Presenting Numeric Data in Various Formats
In this Microsoft Excel tutorial, we learn how to present numeric data in various formats such as general, numbers, currency, accounting, date, time, percentage, fraction, scientific, and text. The tutorial also introduces basic...
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Adding Decimals of Different Signs
This video shows how to add positive and negative money amounts in the context of a word problem using a number line. Practice problems are available. [3:15]
Math Mammoth
Math Mammoth: Adding and Subtracting Negative Fractions and Decimals, Part 1
In this video, students are shown how to add and subtract negative fractions and decimals. This is followed by an example problem that looks at negative and positive money amounts related to a bank account. [7:09]