On this lesson, you will learn everything there is to know about perfect squares and square roots, including definitions, a list of perfect squares, and how to find the square root of any number.

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This lesson answers the questions: What is a square root? What is a perfect square? How do I know if a number is a perfect square? What is the inverse operation of a taking a square root? What are the perfect squares? Why is it called a perfect square?

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On this lesson, you will learn how to make a box and whisker plot and how to analyze them!

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This lesson answers the questions: What is a box and whisker plot? How do I make a box and whisker plot? What is an interquartile range? How do I find the upper quartile? How do I find the lower quartile?

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On this lesson, you will learn all about converting to scientific notation and calculating scientific notation!

What is scientific notation?
How do I write a number in scientific notation?
When should I use scientific notation?

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Expressions and Equations Work with radicals and integer exponents.

Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. Use scientific notation and choose units of appropriate size for measurements of very large or very small quantities (e.g., use millimeters per year for seafloor spreading). Interpret scientific notation that has been generated by technology.

On this lesson, you will learn 3 methods for multiplying binomials and writing them in expanded form, including the foil method and the box method (area model). Lesson Guide: https://bit.ly/2VhNxdM

What is the foil method math strategy for multiplying binomials? What is the area model method for multiplying binomials? What is the foil math definition?

This video lesson includes a free lesson guide and equation of a circle worksheet with an answer key. Click the links below to get yours:

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Equivalent Fractions and Equivalent Ratios Definition and Explanation: Let's explore how to determine if two ratios are equivalent and how to use ratio and rate reasoning to solve real-world and mathematical problems.

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Understand ratio concepts and use ratio reasoning to solve problems.

Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

What is a ratio?
What is the difference between a ratio and a fraction?
How do I know if two ratios are equivalent?

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Our lessons are perfect for flipped classroom math teachers and students. This lesson is aligned with the common core learning standards for math and the SAT math curriculum as well.

MashUp Math is a great free resource for math students, parents, and teachers. Our lessons are a great resource for struggling students, flipped classroom educators, and homeschool math students.

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Trigonometry is an easy way to work out the unknown sides and angles of a right angled triangle. The trick - know the side names - the opposite, hypotenuse, and adjacent, and know how and when to apply the trigonomic functions - sin, cos and tan. this is the only trick to getting it right every time!
In this lesson, students learn work out unknown angles using use sine, cosine, and tangent. You will need a scientific calculator for the problems in this lesson - and I'll show you how to access one on your computer. To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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The clock calculator light bulb problem - can you solve this math problem?
The clock calculator light bulb problem - can you solve this math problem?


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#mathproblems
#mathriddles
#mathsforfun

Multiplying by multiples of 10 is simple to do.
First count the number of zeros in the number you are multiply by, then move the decimal place of the number being multiplied the same number of times.
Because we are multiplying by numbers ten and above the answer is going to be bigger, and so the decimal place moves to the right. To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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How to make a basic YouTube video using Powerpoint, a camera and Moviemaker. To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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This problem can be approached a number of ways...but can you solve it?
Good luck!

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For the playlist of math problems:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL


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#mathproblems
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#mathsforfun

This video shows a step by step procedure to finding volume of a rectangular prism.
We use the formula volume = length x width x height.
Notice because we use 3 measurements when we work out the volume of a 3D shape we end with an answer in cubic units (units^3).
We then look out how to work out the volume of composite objects - that is the volume of objects containing more than one shape.
This video has a particular focus to real world use of volume and uses measurement concepts. To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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Learn what is meant by a composite shape and how to find its area.
See how good you are with area of composite shapes - working out the amount of chipboard required for a floor; then working out how many bricks are required for a wall. Thrilling stuff. To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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multiplication and division To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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This shows how to work out the area of composite rectangular shapes. Hooray! To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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Want to give Wipebook Flipchart a try: check out https://www.wipebook.com/tecmath for up to 30% off your first purchase FOR A LIMITED TIME ONLY!
(Note: Wipebook are a Canadian Company - for customers outside Canada select wipebook.com

Can you solve this problem?
It's a little deceptive - and I reckon you're doomed!
And yes - there is old tecmath Josh's face using the Wipebook Flipchart - and yes - I loved this product! Great for math on the go!


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#Wipebook
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This math problem is the meaning of life. Can you solve it in less than 30 seconds?

You will have to use geometry and all the information on the diagram - and like all good matht problems on Youtube I will go through how to work out the answer.

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For the playlist of math problems:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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#mathproblems
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This simple math trick can be used to multiply any number by 5, 25 or 125 easily (and instantly!).

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It really helps and is appreciated!

This video looks at the way to easily work out percentages. This is an essential part of math.

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To go to the fractions playlist follow this link:
http://www.youtube.com/watch?v=do_IbHId2Os

In this math lesson, we learn to use division to convert fractions into their decimal form. This video uses the rapid short division method, where we simply divide the denominator into the numerator (top divided by bottom).

This math video lesson also looks at recurring and non recurring decimals that can result from calculating fractions.

It is also a similar method we use to convert fractions to decimals and then percentages - to do this we convert the fraction to the decimal as explained, then we multiply by 100 to change to a percentage.

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This percentage trick is so easy - and you should know it if you are a regular here!
Forgotten it? That's OK...youtube and tecmath has your back - with this, the easiest way to work out percentages of an amount.

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More percentage tricks: https://www.youtube.com/watch?v=8fG9nbVV9g4&list=PLjbxBzUM6SLn7pLTxrksJjlHoLY8aOcGk&index=7