Curated Video
GCSE Secondary Maths Age 13-17 - Number: LCM and HCF - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
KnowMo
Prime Factor Decomposition, Highest Common Factor, and Lowest Common Multiple
This video explains the concept of prime factor decomposition and demonstrates two methods for breaking down numbers into their prime factors - the tree method and the ladder method. The video also covers how to use prime factor...
Curated Video
Simplifying Radical Expressions by Factoring
In this video, the teacher explains how to simplify radical expressions without using an area model. Learn how to factor to break down the radicals into their prime factors, and then simplify the expression by finding pairs or triples of...
Zach Star
This completely changed the way I see numbers - Modular Arithmetic Visually Explained
This completely changed the way I see numbers - Modular Arithmetic Visually Explained
Khan Academy
Square Roots And Real Numbers, Pre-Algebra
Sal works through several problems involving rational and irrational numbers and shows how to find the difference. This video is a good stepping stone for those preparing to take on more challenging algebra work.
Khan Academy
SAT Prep: Test 5 Section 3 Part 5
Problem 15 on the practice SAT (page 657) prompts students to solve a word problem using a number of given constraints. Additional problems involve finding the radius of a circle (given the radius of a smaller circle) and prime...
Khan Academy
Common Divisibility Examples, Factors and Multiples, Pre-Algebra
Equipped with several examples from the attached module and from standardized tests, Sal takes viewers through the process of prime factorization and divisibility. He demonstrates each skill several times with many different numbers,...
Khan Academy
SAT Prep: Test 2 Section 3 Part 4
SAT test-takers get to review median numbers, perimeters, right angles, slopes, and prime factorization in this video, which focuses on problems 13-16. Sal's even pace and methodical problem solving will bolster the confidence of even...
Khan Academy
Prime Factorization, Factors and Multiples, Pre-Algebra
Older elementary students will appreciate how clearly Sal explains how to find the prime factorization of 75. He shows the complete process, taking note of numbers that are and are not primes, and why.
Khan Academy
Finding the Greatest Common Factor of Two Monomials, Algebra I
Sal explains that the most significant common factor of any number is the largest number divisible into both monomials and not necessarily the number with the most significant value. He breaks down two numbers into their prime factors as...
Corbett Maths
LCM and HCF using Product of Primes
All that work put into prime factorizations won't go to waste. An illuminating video describes how to determine the least common multiple and greatest common factor of two numbers using the prime factorizations. Learners see how to use a...
Corbett Maths
Product of Primes
Here it is ... a video that shows the prime way to learn about prime factorization. Scholars watch an instructional video that shows how to find the prime factorization of a number. The method shown in the video is prime factorization...
Krista King Math
Reducing Fractions and Cancellation
Discover the importance of prime factorization when working with fractions. Learners see how finding the prime factors aids in the process of simplifying and multiplying fractions. The instructor demonstrates the process of multiplying...
Krista King Math
Least Common Multiple
Prepare your classes for future work by reinforcing multiples and finding least common multiples. Learners see how to identify the least common multiple of a set of numbers. The instructor shows examples including a set of two and a set...
Krista King Math
Prime Factorization and Product of Primes
Demonstrate a method for finding the prime factorization of numbers using factor trees and a video that explains how to break a number down to its prime factors. The instructor reinforces the concept of factors by displaying the...
Curated OER
How Do You Simplify Radicals Using the Product Property?
It would be difficult to explain how to write the given radical , the square root of 60, in its simplest form. It's not a perfect square so there are several steps required to break it down and get it to its simplest form. Just watch...
Curated OER
How Do You Find the Prime Factorization of a Number Using a Tree?
A factor tree? What's a factor tree? A tree of factors? A factor tree is a method use to do the prime factorization of an integer. It's not complicated. Watch the teacher as she explains the steps and shows how to write the answer as a...
Curated OER
How Do You Find the Greatest Common Factor If There are No Common Factors?
Use prime factorization to find the greatest common factor of three given values. Okay. But what if there doesn't seem to be any integer that is common in all three given values? Well, then, the greatest common factor must be 1. Not sure...
Curated OER
How Do You Find the Greatest Common Factor of Two Numbers Using Prime Factorization?
Here's a quick review on how to use a prime factor tree to find the greatest common factor of two numbers. This is one of the simplest ways to find the greatest common factor. So watch this video to get a refresher on how to do prime...
Curated OER
How Do You Find the Greatest Common Factor of Three Numbers?
Use prime factorization to find the greatest common factor of three given values. What are the factors that all three given numbers have in common? Identify them, and then multiply together to get the greatest common factor. Just like...
Curated OER
How Do You Find the Greatest Common Factor of Monomials?
Use prime factorization to find the greatest common factor of four given values. What are the factors that all four given values have in common? Identify them, and then multiply together to get the greatest common factor. Just like that....
Curated OER
How Do You Put Fractions in Order Using an LCD?
Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...
Curated OER
How Do You Put Fractions in Order Using an LCD?
Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...