MathNotations Videos
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Repeated digits counting problem 10-5-10
MathNotationsVids
248 views
This video demonstrates a systematic approach to more sophisticated counting problems utilizing the Multiplication Principle, Combinations and analyzing by cases (mutually ...
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Solution Twitter/SAT Challenge Problem 8-27-10
MathNotationsVids
222 views
Solution to Twitter.com/dmarain from 8-25-10. This problem reviews the more challenging probability/counting questions on the SAT Math section. Two methods are illustrated ...
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SAT Videos: Twitter Problems of the Day 6-9,6-10-10
MathNotationsVids
185 views
Brief solutions to two SAT-type problems posted on Twitter at dmarain. The first deals with a common arrangment problem using the Multiplication Principle. The 2nd is a sta...
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Twitter SAT Problems of Day 6-5-10, etc
MathNotationsVids
70 views
IMPORTANT UPDATE: ANS TO 2ND QUESTION ON VIDEO SHOULD BE 4096 (REAL) VALUES. THE SOLUTION ON VIDEO IS ONLY FOR RATIONAL VALUES! Solutions to two problems posted on Twitter ...
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Challenging Geometry Assumptions! Review for SAT I/II
MathNotationsVids
540 views
This video presents a more challenging 3-dim geometry problem which would be at the upper end of SAT I or SAT II - Subject Tests (Math I/II). The key here is to challenge ...
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Developing Rate/Ratio/Proportion Middle School - Beyond the Introduction
MathNotationsVids
1,118 views
A development for middle schoolers of a more challenging rate/ratio/proportion problem involving THREE quantities. The emphasis is on encouraging an intuitive grasp of the ...
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An SAT Problem or Teaching/Learning Beneath the Surface
MathNotationsVids
217 views
This video presents an apparently straightforward multiple-choice SAT- type problem (more likely Math I/II Subject Test). Teachers can try to predict what % of their Algebr...
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6/(pi^2) and Relatively Prime Integers_Pt1
MathNotationsVids
362 views
Designed for anyone who has a passion for mathematics, this derivation of a classical result in math is suitable for advanced middle schoolers through undergraduate math. F...
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6/(pi^2) and Relatively Prime Integers_Pt3
MathNotationsVids
236 views
Designed for anyone who has a passion for mathematics, this derivation of a classical result in math is suitable for advanced middle schoolers through undergraduate math. F...
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6/(pi^2) and Relatively Prime Integers_Pt2
MathNotationsVids
119 views
Designed for anyone who has a passion for mathematics, this derivation of a classical result in math is suitable for advanced middle schoolers through undergraduate math. F...
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