Music Matters
Reading and Identifying Notes in the Treble Clef - How to Read Music
How to read and identify the pitch of the notes in the treble clef. Some people rely on reading the patterns of notes ascending or descending and on reading notes that are next to each other or leaping.This video explains how to read the...
Music Matters
How to Write Syncopated Rhythms - Music Composition
How to write syncopated rhythms. Syncopated rhythms add a great deal of interest and character to a piece of music but when should we write them and how do we write them. This music composition lesson shows two very different musical...
Music Matters
Becoming a More Professional Performer in Music - Music Performance
Six top tips on how to raise your game in becoming a more professional performer in music. Many people get as far as playing or singing notes accurately but if you really want to play with greater technical facility and with more...
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...
Music Matters
How to Work Out the Key of a Piece of Music - Music Theory
Learn how to work out the key of a piece of sheet music. In this music theory lesson we take a look at four extracts of music and practice working out their keys. You'll learn how to make sure you get the correct key by looking at the...
Music Matters
Naming Chords - Music Theory
How good are you at naming and identifying chords in a piece of music? This music theory lesson explains how to determine the key of a given piece of music and how to work out the chords that belong to that key. It then invites you to...
Getty Images
D-Day Invasion Prep
Troops and cargo aboard D-Day Invasion vessels / Blimps above LST craft / Dartmouth Castle on English Coast / Leaving England / On the North Sea / D-Day Invasion Prep on June 05, 1944 in Dartmouth, Devon (Footage by Getty Images)
Getty Images
D-Day Utah Beach
237 Combat Engineers Landing on Utah Beach / Jeep and trucks enter the water / Approaching the beach / D-Day Utah Beach on June 06, 1944 in France (Footage by Getty Images)
Getty Images
Operation Overlord WWII
Landing Craft Mechanized take to the channel / LST ships with blimp cover / Operation Overlord WWII on June 05, 1944 in Dartmouth, Devon (Footage by Getty Images)
Curated OER
What is a Common Multiple and Least Common Multiple?
A common multiple is exactly what it says it is: a multiple that two or more numbers have in common. So then a least common multiple would be the smallest common multiple that two or more numbers have in common. Watch this video to see...
Curated OER
How to Find the LCM and GCF
Two students have a conversation about the least common multiple (LCM) and greatest common factor (GCF). They briefly describe and give examples of how to find both the LCM and GCF. Note: The dialogue may be difficult to understand,...
Curated OER
How Do You Find the Least Common Multiple by Multiplying Common Factors?
Don't get Least Common Multiple mixed up with Greatest Common Factor, it's easy to do. Use the prime factor tree to find the prime factorization of each of the terms given. This is where it gets tricky figuring out the LCM, so watch this...
Curated OER
How Do You Find the Least Common Multiple of Monomials?
Looking for the least common multiple, not the greatest common factor. It's so easy to mix these up. It may seem a little confusing at first because there are variables and exponents in the monomial examples. Watch this video and get...
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Algebraic Expressions Lcm
This video explains how to find the least common multiple of algebraic expressions. Practice problems are available. [4:40]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Subtracting Mixed Numbers 2
This video explains how to subtract two mixed numbers by converting them to improper fractions. Practice problems are available. [3:59]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Comparing Fractions 2
This video shows how to compare two fractions using a several methods. Practice problems are available. [7:08]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Adding and Subtracting Fractions
This video shows how to add and subtract fractions with like and unlike denominators. Practice problems are available. [9:49]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Least Common Multiple (Lcm)
This video shows how to find the least common multiple of three numbers using lists of multiples or prime factorization. Practice problems are available. [5:23]
Sophia Learning
Sophia: Finding the Lcm With Multiple Charts: Lesson 1
This lesson demonstrates how to find the lowest common multiple using a multiple chart. It is 1 of 14 in the series titled "Finding the LCM with Multiple Charts."
Sophia Learning
Sophia: Finding the Lowest Common Multiple: Lesson 1
This lesson demonstrates the comparison of multiples of two or more numbers to find the lowest common multiple. It is 1 of 11 in the series titled "Finding the Lowest Common Multiple."
Khan Academy
Khan Academy: Expressions: Algebraic Expression Least Common Multiple
This video explains how to find the least common multiple of algebraic expressions.
Math Playground
Math Playground: How Do You Find the Gcf and Lcm?
This video illustrates how to find the greatest common factor (GCF) and the least common multiple (LCM) of two numbers.
Virtual Nerd
Virtual Nerd: What Is a Multiple?
This tutorial serves as an introduction to multiples and explores how to find multiples of a given number and the least common multiple between numbers. [4:11]
Khan Academy
Khan Academy: Equivalent Fractions: Finding Common Denominators
This video shows how to rewrite two fractions as fractions with a least common multiple.