SciShow
Stem Cells
Hank gives you the facts on stem cells - what they are, what they're good for, where they come from, and how they're used in medicine.
Brian McLogan
How to determine the product of two rational expressions
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Curated Video
Function Tables
Identify math vocabulary by reading and defining the words function table, pattern, and rule. Find the rule and complete a function table by using knowledge of number patterns.
Brian McLogan
Simplifying an imaginary number to a higher power
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Mr. R.'s Songs for Teaching
Math Word Problems Story: The Number Thief 3 (3rd-5th grade)
A fun story full of 3rd-5th grade math challenges! Answers: Chapter 1: 1. 3 lemons plus 3 x 4 (or 12) lemons= 15 lemons 2. If 3 lemons grow, and 1 falls off, there are 2 new lemons each day. After 33 days, there will be 66 lemons. 3. 170...
Curated Video
Converting Units of Measurement
In this video, the teacher explains how to approach a real-life word problem that involves converting units of measurement. They use examples of converting pounds to ounces and vice versa. Then, they apply this knowledge to solve a...
Brian McLogan
Tutorial - Learn how to sketch a best fit line from a scatter plot
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Curated Video
JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - How to Find the Longest Word in a String
In this video, you will learn how to find the longest word in a given string using JavaScript. The video covers the step-by-step process of solving this problem, including how to split the string into an array of words, looping through...
Maddie Moate
Avengers Campus and Star Wars Galaxy's Edge! | Disneyland and California Adventure | Maddie Moate
Greg and I were visiting LA for work last Christmas but we couldn't resist a quick day in the Disney parks! I hope you enjoy exploring Disney's California Adventure and Disneyland as much as we did! Let me know in the comments what your...
Brian McLogan
What is a perfect square trinomial
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Evaluate Never ending radical | Can You Solve?
Evaluate Never ending radical | Can You Solve?
Curated Video
Mastering Swift 2 Programming (Video 5)
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Curated Video
Are Shakespeare's Plays Encoded within Pi?
A follow-up, with examples of numbers that are infinite and non-repeating but don't contain all combinations of digits: http://youtu.be/8PUJvAlD64k Happy Pi Day! Also see: Pi is (still) Wrong: http://youtu.be/jG7vhMMXagQ Pi in Binary...
Brian McLogan
Composition of a quadratic function to a square root function
Composition of a quadratic function to a square root function
Curated OER
How Do You Solve a Word Problem Using an Exponential Function?
In six days Tina gets exponentially better at the number of times she can jump rope. Let's create an equation and see how many times Tina can jump rope on the sixth day. First identify the variables. Next make a table, then plug in the...
Khan Academy
Exponential Form to Find Complex Roots
Sal solves the problem x^3 = 1 for all real and complex roots using the exponential form of the complex number. He shows how the roots found in the exponential form are the same as those in a more traditional form of a complex number...
Khan Academy
Equations of Sequence Patterns, Sequences, Series and Induction, Precalculus
This video shows an example of writing an algebraic equation for the pattern of blocks that grows at each iteration. Sal shows how to find the pattern by looking at the number of iterations and blocks. He then continues this example by...
Khan Academy
SAT Prep: Test 4 Section 2 Part 3
Continuing his theme of solving problems in a timely and correct manner, Sal teaches students that most problems on the SAT are designed to be solved in less than 30 seconds (though he does state that they are given over a minute for...
National Education Association
Simplify Expressions by Factoring
Got that factoring thing down? Time to apply it! A helpful video explains the process of simplifying a rational expression, showing pupils how to factor a majority of expressions using special patterns. Here is a great way to begin...
Curated OER
What are Consecutive Numbers?
The instructor writes an example of integers in consecutive order, or counting order, and also an example of integers not in consecutive order. She then shows two special types of consecutives number patterns.
Flocabulary
The 5 Types of Text Structure
Developing an informational text is like designing a building—if the structure is weak, it will not stand. A language arts video provides an overview of the five types of text structure. A catchy song and specific examples help give a...
Curated OER
What are Consecutive Numbers?
The instructor writes an example of integers in consecutive order, or counting order, and also an example of integers not in consecutive order. She then shows two special types of consecutives number patterns.
Curated OER
How Do You Evaluate an Exponential Function?
Set up a table to keep track of your values as you evaluate an exponential function. Select some values for the table to plug in to the given exponential expression. Then evaluate the expression. Do you see a pattern?