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...

Sketch the cosecant graph from scratch

👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...

In this video, we will build Coin Flip with data binding part 2
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This clip is from the chapter "Data Binding" of the series "The Art of Doing: Dive Into Android Development with Kotlin".In this section, we will explore data...

Simplify a complex fraction by multiplying by the lcd

👉 Learn how to solve multi-step absolute value inequalities. The absolute value of a number is the positive value of the number. For instance, the absolute value of 2 is 2 and the absolute value of -2 is also 2. To solve an absolute...

Learn how to multiply rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To multiply two rational expressions, we use the...

This lesson on zero and negative exponents teaches students how to evaluate expressions involving numbers with zero as an exponent and negative integer exponents. The teacher explains the definition of zero and negative exponents and...

In this short video we will answer a standardized math test question where we are asked to identify the equivalent expression. We will review how to divide by a fraction using the rule multiply by the reciprocal or also known as keep,...

This video explains probability distribution.<br<br/>/>

This clip is from the chapter "Perform Quantitative Risk Analysis" of the series "PMI-RMP® Certification Training".This section explains performing quantitative risk analysis.

On Saturday, Carla went for a 1 and nine tenths mile run. On Sunday, she went for a 7 and three fifths mile run. How many times further did she run on Sunday than Saturday?

It turns out the ISS did a lot more rotating than NASA claimed it did during a dramatic 47-minute tug of war.

The U.S. hasn’t experienced the landfall of a Category 3 hurricane or larger since 2005, when Dennis, Katrina, Rita and Wilma all hit the U.S. coast. According to a new NASA study, a string of nine years without a major...

👉 Learn how to graph a cotangent function. To graph a cotangent function, we first determine the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the parent function), the vertical shift...

Mikki vs the World is a creative, funny, and factual series designed to help teens get a grip on what’s happening inside their heads. Mo's friend helps Dr. M convert her anxiety into excitement.

And Mo comes up with a new, less...

Let's open a file.<br/<br/>>

This clip is from the chapter "Excel 2019 Beginner: Navigating Workbooks" of the series "The Complete Excel Guide: Beginners to Advanced".This section aims to teach you how to navigate a workbook in Excel.

The aim of this video is to explore how to consolidate data.
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This clip is from the chapter "Excel 2019 Beginners: Linking Files" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, you'll learn...

👉 Learn how to determine the end behavior of the graph of a polynomial function. To do this we will first need to make sure we have the polynomial in standard form with descending powers. We will then identify the leading terms so that...

👉 Learn how to solve absolute value inequalities. The absolute value of a number is the positive value of the number. For instance, the absolute value of 2 is 2 and the absolute value of -2 is also 2. To solve an absolute value...

The relation between ordered pairs differs only by signs with reflections over the x- and y-axes.

A fitness trail is being built around a park. The designer plans for the trail to be nine tenths of a mile long, with different stations every three twentieths of a mile. How many exercise stations will they have on the trail?

Checking quotients with multiplication.

This video explains how to solve a one-step equation by identifying the operation being done to the variable and using its inverse operation. The teacher demonstrates how to flip the fraction and multiply by the reciprocal to isolate...

If we want to find out some information regarding the enthalpy change of a reaction, but we don't want to perform the reaction, we can use Hess's law, which allows us to manipulate thermochemical data for related reactions. Let's...