Curated Video
Subtracting Decimals Using the Standard Algorithm
This video explains how to subtract decimals using the standard algorithm. It covers important concepts like lining up decimals and place values, regrouping, and the importance of placeholders.
Curated Video
Estimating Addition and Subtraction of Decimals Using Smart Rounding
In this video, students learn how to use smart rounding to estimate the addition and subtraction of decimals without performing the actual calculation. They learn how to round numbers to familiar or easy-to-work-with values and provide...
Curated Video
Learning LESS (Video 20)
CSS is great; it's a staple of the web and it helps us to produce beautiful websites, but some parts of it are archaic, and it's often time-consuming to get right. LESS changes that. LESS includes built-in features that allow you to...
Curated Video
Solving Algebraic Equations Using Inverse Operations
In this video, the teacher explains how to solve algebraic equations involving addition and subtraction using inverse operations. They review the concept of variables and the relationship between addition and subtraction as inverse...
Curated Video
Writing Expressions with Visual Models
This video is an educational lesson about how to write expressions to represent numerical calculations using visual models. The instructor explains what expressions are and provides examples. The video then goes on to show how to break...
Curated Video
Factoring Perfect Square Trinomials to Find Zeros of Quadratic Functions
In this video, we learn how to find the zeros of a quadratic function by factoring a perfect square trinomial. By expressing the quadratic function in a different form, we can make the zeros more visible. The middle signs in the...
Curated Video
Solving Multi-Step Problems with Integers Using Order of Operations
This video teaches viewers how to solve multi-step problems involving integers using the order of operations. The instructor emphasizes the importance of following the order of operations to avoid making common mistakes when dealing with...
Tarver Academy
Order of Operations Example Problem
In This Episode, Tyler Teaches Us About Order of Operations Example Problem
Curated Video
Solving Subtraction Word Problems: Identifying Key Phrases
In this video, the teacher explains how to solve subtraction word problems by identifying key phrases. The teacher emphasizes the importance of understanding the problem as a whole and not just relying on key words. Examples are given to...
Curated Video
Solving Equations with Number Bonds
This video is a math lesson aimed at teaching students how to solve the unknown number in an equation by creating a number bond. The video covers topics such as addition, subtraction, commutative property, fact families, and how to...
Why U
Pre-Algebra 04 - Whole Numbers, Integers, and the Number Line
Number systems evolved from the natural "counting" numbers, to whole numbers (with the addition of zero), to integers (with the addition of negative numbers), and beyond. These number systems are easily understood using the number line.
Curated Video
Solving Word Problems Involving Addition and Subtraction of Fractions Using Number Lines
In this video, students learn how to solve word problems involving addition and subtraction of fractions by creating number lines. The video provides step-by-step instructions on how to identify key information, draw a model, and write...
Curated Video
Using Addition and Subtraction to Solve Real World Fraction Problems
In this video, the teacher demonstrates how to use addition and subtraction with fractions to solve real-world problems. The examples provided involve finding equivalent fractions and subtracting fractions with unlike denominators. The...
Curated Video
Compare Fractions: Using Pictures
In this video, mathematicians learn how to compare fractions using "how much more" questions. They explore the concept of finding the difference between two fractions and use visual representations to understand and solve the problems....
Curated Video
Solving Word Problems with Addition and Subtraction of Mixed Numbers using Number Lines
In this video, the teacher explains how to solve word problems involving addition and subtraction of mixed numbers by creating number lines. The teacher provides step-by-step instructions on how to identify key information, draw a model,...
Curated Video
Solving Unknowns with Addition and Subtraction Fact Families
In this video, students learn how to solve for unknown amounts using addition and subtraction fact families. Through examples and step-by-step instructions, they will understand how to use fact families to find missing addends and...
Curated Video
Rethinking Subtraction as Addition: Using the Additive Inverse
This video demonstrates the concept of the additive inverse using examples on a number line and shows how the answers remain the same. By understanding the additive inverse, students can easily convert subtraction problems into addition...
NUMBEROCK
Adding and Subtracting Fractions
In a future time, when AI robots have taken over running pizzerias on a planet orbiting Alpha Centauri, the robot Zigon takes orders and then adds and subtracts fractions before the Pizzamatic-5000 serves up large pepperoni and cheese...
Curated Video
Writing Algebraic Expressions for Real World Scenarios
In this video, the teacher explains how to write algebraic expressions for real-world scenarios. They review the concept of variables and expressions, as well as the difference between equations and expressions.
Curated Video
Subtracting by Using Addition: Mastering 2-Digit Subtraction
In this lesson, students will learn how to subtract large numbers by using addition. By understanding the relationship between addition and subtraction, students can reframe subtraction problems as addition sentences and use strategies...
Curated Video
Writing Numerical Expressions from Verbal Descriptions
The examples in this video cover addition, subtraction, multiplication, and division, and highlight the importance of understanding the meaning of math vocabulary words. The teacher also emphasizes the concept of equivalent expressions...
Curated Video
Breaking Apart Numbers to Explain Subtraction
In this video, we learn different ways to break apart numbers to make subtraction easier. We can use words, place value blocks, drawings, and addition to explain subtraction. By breaking apart numbers in different ways, we can compare...