शीर्ष वीडियो
On this tutorial, you will learn how to use a compass protractor to measure angles.
Free Lesson Guide & Practice Worksheet: https://www.mashupmath.com/blo....g/how-to-use-a-protr
Join us on this flipped math lesson for CCLS 4.MD.C.6 where we work through a problem that was inspired by a released common core exam item where we practice measuring angles in whole-number degrees of angles using a protractor.
This lesson answers the question: How do I identify a given angle? How do I find the measure of an angle using a protractor? How do I use a protractor? What is the difference between an acute and obtuse angle? How do I sketch angles of specified measure?
Our lessons are perfect for flipped classroom math teachers and students and for warm-up and exit ticket activities . This lesson is aligned with the 4th grade common core math learning standards for math and the SAT math curriculum as well.
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Join us as we explore why Side-Side-Angle and Angle-Side-Side cannot be used to prove triangle congruence.
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This lesson answers the questions: How do I prove that two triangles are congruent? Why can't SSA be used to prove that two triangles are congruent?
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.
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In this math algebra trick we will look at how to directly divide big polynomial expressions. 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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#fastmathtricks
#mentalmath
#mathtrick The easy way how to multiply numbers under twenty - faster than a calculator!
Become a math genius the smart way - using vedic math - not the way you've been taught! To support free math by tecmath on Patreon (thankyou): https://www.patreon.com/tecmath
Vedic Maths is series of mathematical tricks, originating in a book written by an Indian monk Swami Bharati Krishna Tirtha in 1965. It contained a list of mental calculation techniques which were claimed to be retrieved from the Vedas - are a large body of religious texts originating in ancient India.
Please if you are learning this, however, do not treat multiplication as a mere trick. It is important to remember 17 x 13 for example, is the repeated adding of 17, 13 times (17 + 17 + 17 + 17...).
This method is a shortcut, but as the end proof shows, it is using a shuffling of required calculations to make this multiplication more efficient.
For 17 x 13, we have lots of multiplication going on (that is repeated addition!) - 10 x 10 and 3 x 10 and 7 x 10 (lots of 10s - 20 all up) - and 7 x 3.
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If Teresa’s daughter is my daughter’s mother, what am I to Teresa?
This video looks at the answer to the Teresa's Daughter puzzle, as well as these similar ones...
A man is looking at a picture of a man on the wall and states,
“Brothers and sisters I have none, but this man’s father is my father’s son.”
Who is the man in the picture in relation to the man looking at the picture?
I am your mother’s brother’s only brother-in-law. Who am I?
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#mathproblems
#mathriddles
#mathsforfun
Need to compare hourly rate to annual pay?
This math hack will allow you to do it instantly and easily - faster than you think!
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Percentage tricks: https://www.youtube.com/watch?v=8fG9nbVV9g4&list=PLjbxBzUM6SLn7pLTxrksJjlHoLY8aOcGk&index=7
Surds / Radicals - the basics - adding and subtracting the radical numbers 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 mental multiplication math trick uses the idea of a third number - a base number - to help us multiply two numbers in your head. This series of videos first looks at multiplying numbers near 10 using base 10. The second video looks at multiplying using base 20 and 30. The third video looks at how to apply this mental multiplication trick to numbers near 50. The forth video the investigates ho to easilt mentally multiply numbers near to 100. Continue your mental math multiplication abilties here!
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Follow the basics and it's easy to multiply matrices.
Start off easy with orders - rows and columns and from there you'll be adding, subtracting and multiplying matrices.
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This math lesson looks at pythagorean math - how to work out the unknown sides of right angles triangle. The 3,4,5 triangle will also be explored. Become a math genius! 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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Dividing into a given ratio
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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#fractions
#fraction
#fractionsmath
How to instantly add large sets of single digit numbers mentally.
Using this mental math method you will be able to add any number of one digit numbers with each other - faster than a calculator! Become a math genius in no time using this trick!
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mm, cm, m, km. How to convert between these!
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This problem was making the rounds on Facebook. Can you solve it? To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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#mathproblems
#mathriddles
#mathsforfun
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
#Flipchart
#math problem
We can use some easy to learn facts about angles in triangles to find unknown angles.
The interior angles of a triangle always add up to 180 degrees.
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Casting out nines is a fast and easy method of making sure your math addition calculations are correct. This trick involves adding the digits of each number and reducing each to a single digit, then comparing the end result with the answer. 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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It is easy to mentally work with fractions - just follow a few simple tricks!
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This video looks at the way to easily work out percentages. This is an essential part of math.
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Prepare to be amazed!
I CAN read your mind - but is this math or is it magic?
This trick fools magicians - because it doesn't use sleight of hand - it uses the Kruskal count.
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#magic
#magictrick
#mathtrick
