This math multiplication trick is easy to do, and can be used to directly multiply large numbers! Math is easy with the tecmath math method of multiplication (say that five times fast!)

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#fastmathtricks
#mentalmath
#mathtrick This math trick is pretty easy to do, and can be done in your head faster than a calculator.
This trick only works when multiplying numbers that both end in five. A couple of simple steps and you're done!
In addition, the mathematical reasons why this trick work are simply explained at the end of the video.

To support tecmath on Patreon: https://www.patreon.com/tecmath 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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In this video we look at how to multiply trinomials instantly, as well as how to check our answer quickly for greater accuracy. In addition to this, we look at the application of multiplying binomials to solve everyday math multiplication. This is an essential component of algebra.

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What is the chance of winning lotto?
What are the odds of picking the first three horses in a race?

This trick will have you working out the odds instantly!

Give you a hint if you want to win...don't bet! The maths is against you!

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This trick allows you to multiply two numbers quickly and accurately, using a handy visual method - lines.
It also shows how to deal with zeros and larger numbers, for easier multiplication.

This method does not use any multiplication tables, making it accessible to all learners.

The first of the videos showing how to multiply with lines is here: https://www.youtube.com/watch?v=_AJvshZmYPs&list=PLjbxBzUM6SLkk-Pm6oDtvJc-lsM-xli_1&index=10

Arithmetic made simple!

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In this lesson, you will learn to multiply fractions quickly and easily.
To multiply fractions you multiply across the numerators (the top number of a fraction) and multiply across the denominators (the bottom number).

An example I always use to start this off is multiply 1/2 with a 1/2. The numerators multiply to give 1 (1 x1), the denominators multiply to give 4 (2x2). Hence a 1/2 multiplied by a 1/2 is 1/4.

What about if you multiply 2/3x1/4?
Top number (2x1), bottom number (3x4).
So 2/3x1/4 = 2/12. 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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On this lesson, you will learn the exponents rule for dividing exponents with the same base.

Join us on this flipped math lesson where we visually explore dividing exponents with the same base. For more MashUp Math content, visit http://www.mashupmath.com and join our free mailing list! :)

This lesson answers the questions: How do I divide one exponent by another? What are the laws of exponents? How do I divide exponents with the same base? How do I divide a power by a power?

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Join us on this lesson you will learn how to factor a difference of squares (also known as a difference of two squares or DOTS) and how factor a binomial that is a difference of two squares (DOTS). For more MashUp Math content, visit http://www.mashupmath.com and join our free mailing list! :)

This lesson answers the questions: What is a difference of squares? How do I factor a binomial? How do I factor a difference of two squares? What is DOTS? How do I find factors? How do I know if an expression is a perfect square? How do I find factors? How do I check my answer?

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Looking for a fast and easy shortcut for multiplying binomials that is better than FOIL? Learn to multiply two binomials using the box method!

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On this lesson, you fill learn how to graph a quadratic function, find the axis of symmetry, vertex, and the x intercepts and y intercepts of a parabola...without a graphing calculator!

This lesson answers the following questions: What is a quadratic function? What does a quadratic function look like? What is a quadratic equation? How do I find the vertex of a parabola? How do I find axis of symmetry? How do I find x and y intercepts of a function?

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In this lesson, you will learn how to find the area of a circle and the circumference of a circle using the area of a circle formula and circumference of a circle formula.

​▶ Free Practice Worksheet: LINK

Tags: area and circumference of a circle, area of a circle, circumference of a circle, perimeter of circle, area of a circle formula, circumference of a circle formula, area of a circle calculator, radius of a circle formula, find the circumference of a circle, area of a circle with diameter, find the area of a circle, formula of a circumference, circumference of a diameter, calculate a circumference

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On this lesson, you will learn how to solve quadratic equations by completing the square using the completing the square formula (in 3 easy steps!) that includes 3 completing the square examples. Lesson Guide: https://bit.ly/2JzOecQ

Key Questions: How to complete the square? How to solve by completing the square? What are the complete the square steps? This Completing the Square lesson includes a free lesson guide and worksheet with an answer key. Click the links below to get yours:

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On this lesson, you will learn how to translate words into algebraic expressions and how to translate algebraic expressions into words!

Not sure of when to use parenthesis? Wondering what a switch word is? Perplexed by seeing the alphabet in math? We got you on this one!

Join us as we explore the ins-and-outs of translating algebraic expressions and equations into words :) For more MashUp Math content, visit http://www.mashupmath.com and join our free mailing list! :)

This lesson answers the questions: How do I write an algebraic expression in words? How do I translate a verbal expression? How do I translate a verbal equation? How do I model a function in words?

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In this lesson, you will learn how to convert decimals into fractions without a decimal to fraction chart or a decimal to fraction calculator using an easy 3-step method!

How to convert a decimal to fraction without a calculator? What is the difference between a decimal and a fraction?

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Key Questions: What is the inverse of a function? How can I find the inverse of a function algebraically? Are there any inverse of a function tricks to make the process easier?

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In this lesson, we will work through a PEMDAS example (also known as an order of operations example) where you have to evaluate an expression.

​Tags: PEMDAS example, order of operations example, evaluate expression, evaluate each expression, pemdas examples with answers, order of operations example problems, order of operations math examples, examples of pemdas problems

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Let's gain some practice with solving real-world word problems involving multiplying fractions by whole numbers (multiplying fractions and whole numbers practice) word problems.

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Build fractions from fraction units.

Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fraction models and equations to represent the problem.

How do I multiply fractions?
How do I solve word problems involving fractions?
How can I practice common core math?

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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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In this lesson, we will work through an example of how to use the surface area of a sphere formula to solve math problems.

​Tags: surface area sphere, area of sphere, surface area of hemisphere, area of sphere formula, sphere calculator, surface area of sphere formula, sa of sphere, surface of a sphere, calculating surface area of a sphere

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In this lesson, we will work through three practice problems where you have to find the standard equation of a circle (also known as the standard equation of a circle). Find the equation of the circle...

Tags: find the equation of the circle, equation of a circle, standard form of a circle, standard equation of a circle, general form of a circle, general equation of circle, center radius form, radius equation, center and radius calculator, find the center and radius of the circle, standard form equation of a circle, circle graph equation

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Are you ready to gain access to ALL of K-8 math puzzles, holiday-themed activities, worksheets, and video lessons all in one place?

Every year, more and more math teachers rely on Mashup Math resources to make their math lessons fun and engaging for students.

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Music Source: Look Both Ways by Nathan Moore

Logic puzzles are a great way to test and improve your math skills, critical thinking, and problem-solving abilities. These 7 math puzzles will put your skills to the test! Can YOU solve them all?

Get More FREE Math Puzzles and Riddles: https://bit.ly/2JSJgrN

TIMESTAMPS: JUMP TO A PUZZLE

1.) 0:14
2.) 0:51
3.) 1:28
4.) 2:13
5.) 2:48
6.) 3:25
7.) 4:07
BONUS) 4:46

#mathgames #mathtricks #logicpuzzles

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