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- Видео 746
- Просмотров 7 805 217
AlRichards314
Канада
Добавлен 20 янв 2009
All my videos are organized at sites.google.com/view/making-sense-of-math/home
All test & exam reviews should have www.filesanywhere.com links to the pdf copies of those documents. If any links don't work please let me know asap.
All test & exam reviews should have www.filesanywhere.com links to the pdf copies of those documents. If any links don't work please let me know asap.
Видео
Solving Linear Equations Using Inverse Operations
Просмотров 2315 месяцев назад
This tutorial shows how to solve linear equations using inverse operations. The tutorial includes two one step equation and two 2 step equations examples.
Solving Equations Using Algebra Tiles
Просмотров 1865 месяцев назад
This tutorial shows how to solve linear equations using algebra tiles and how the algebra tiles model the "algebra" we do with the actual equation.
Combining Like Terms and Using the Distributive Property
Просмотров 3486 месяцев назад
This tutorial shows how to combine (and and subtract) like terms and what "like terms" means. The tutorial also includes examples of how the Distributive Property works and how it is used to simplify algebraic expressions.
Multiplying and Dividing Fractions
Просмотров 606 месяцев назад
This tutorial shows how to multiply and divide fractions and rational numbers.
Adding and Subtracting Fractions
Просмотров 296 месяцев назад
This tutorial shows six examples how to add or subtract fractions. Near the beginning the tutorial shows why you need a common denominator and how to find the least common denominator for 5 of the 6 examples.
Dividing Integers
Просмотров 216 месяцев назад
This tutorial shows how to divide integers and relates how division of integers is the same as the multiplying rules for integers.
Multiplying Integers
Просмотров 156 месяцев назад
This tutorial shows how to multiply integers using a number line, then a generalization to: multiplying two integers with the same sign is positive, and multiplying two integers with opposite signs is negative
Subtracting Integers
Просмотров 526 месяцев назад
This tutorial shows how to subtract integers using a number line through several examples and then generalizes to keeping the same first number, and changing the subtraction to addition of the opposite second number
Adding Integers
Просмотров 416 месяцев назад
The tutorial shows how to add 2 integers through several examples. The first about 4:30 discusses with 5 examples how to add two integers with the same sign and from 4:30 to the end shows examples when you are adding one positive and one negative integer. The first 13 minutes (approximately) shows using a number line how to model add integers. The last 4 minutes demonstrates how to use integer ...
Why Do Horizontal Translation Factors Seem Opposite?
Просмотров 2188 месяцев назад
This tutorial explains why horizontal translation factors are opposite what they first appear as. For example, y = (x - 3)² is y = x² translated 3 units to the right, not 3 left and y = (x 7)² is y = x² translated 7 units left (not right).
Drawing Joined Figures With the Pencil Tool in Mathify
Просмотров 618 месяцев назад
This tutorial shows (and explains) how to use the pencil tool in Mathify and the shift key to draw figures where all sides are joined together.
Properties of Angles in Circles
Просмотров 68210 месяцев назад
This tutorial shows some properties of inscribed and central angles, how a perpendicular to a chord bisects the chord and that any angle inscribed in a diameter is a right angle.
The Birthday Problem
Просмотров 358Год назад
This tutorial describe the Birthday Problem (or Paradox). Several common calculations are shown for the Birthday Problem.
Finding A Tangent Line Equation Passing Through an External Point
Просмотров 1,4 тыс.Год назад
This tutorial shows how to find the equation of a tangent line to a curve that passes through a point external to the curve.
Box and Whisker Plots on Google Sheets
Просмотров 12 тыс.Год назад
Box and Whisker Plots on Google Sheets