Donna Blankenbecler

Use these proven fraction shortcuts to save time and increase your understanding of fractions. 7 shortcuts for solving fractions in record time Tip Number one-Adding fractions without finding a least common multiple Tip Number two- A modified version of adding fractions with ...more

The four shortcuts are, multiplying a number by eleven, squaring a two digit number ending in five, multiplying by four, and subtracting numbers from 1000. Video: . Math Help Videos -MooMooMath. MooMooMath provides Math help videos,step by step Math help,math equations,infogra ...more

Example problems dividing rational exponents. (fractional exponents) The video covers the rules for dividing fractional exponents. Fractional exponents are also called rational exponents. Video: . Math Help Videos -MooMooMath. MooMooMath provides Math help videos,step by step ...more

This video shows how to simplify algebraic expressions using the distributive property. The example problems are 4(x+3) -2x 2y-4(3y+5) 5-2(6-3y) 4b + 3(7-2a) + 5 x-3(x-6) + 5(x+2) Step by step directions are given for each problem. Video: . Distributrive Property Definiti ...more

Use this shortcut to divide any number by 9 easily. Using this Math trick you divide any number by nine much easier than the traditional method.. The video works five examples. Video: . Math Help Videos -MooMooMath. MooMooMath provides Math help videos,step by step Math help,m ...more

If you need another method to learn how to divide then check out this video. This method involves using round numbers and subtraction in order to help you divide. Video Guide 0:33 Divide 2620 by 20 2:08 Solution 2620/20 2:31 Divide 2160 by 12 4:35 Solution 2160/12 4:55 Divide ...more

The vertex angle of an isosceles triangle is the non congruent angle and is opposite the base The video describes the vertex angle and works two sample problems What are the measure of the base angles given a vertex angle of 110 degrees? What is the measure of the vertex angle ...more

In this video you will learn.... How to use your hand to remember the unit circle. This video is part two of this easy method to learn the trig unit circle. How to write out the unit circle diagram from memory An easy method to learn the trig unit circle Once you learn qu ...more

How to multiply complex numbers (numbers with i) 0:20 (-4)^i After multiplying the complex numbers you then use the patterns of i 0:35 This problem involves multiplying two complex numbers together. (9-7i)(-6-5i) This problem is like a polynomial in which you foil the problem ...more

Exponent Rules Dividing Exponents with like bases There are two rules to remember when you are dividing exponents with like bases. Divide the coefficients Subtract the exponents Today we are going to look at the Rules for Exponents when you are dividing. Ok here we have 2 ^4d ...more

Directions for finding the height of a cylinder given the volume The sample problem is Find the height of a cylinder with a volume of 288p and a radius of 6 units The solution is found by plugging your given information into the volume formula for a cylinder and solving for y ...more

Example problems dividing rational exponents. (fractional exponents) The video covers the rules for dividing fractional exponents. Fractional exponents are also called rational exponents. Video Guide 0:15 Divide 15^1/2/3x^2/3 0:43 Subtract the exponents 1:22 Directions for d ...more

The slant height is used to find the total surface area of a pyramid. The slant height is not the height of the pyramid. This video describes how to find the slant height of a pyramid. Question answered in this video What is a pyramid? What is the lateral side of a pyramid? ...more

Finding arc length and sector area using radians 0:00 Review of converting degrees to radians and radians to degrees 0:43 200 degrees is how many radians 0:55 315 degrees is how many radians? 2:05 Radian measure of 3Pi/2 is equal to how many degrees? 2:25 Radian measure 2Pi/15 ...more

Learn how to multiply two digit numbers in your head. This short cut teaches you to round the numbers to the closes ten so and then multiplying. As a result you have nice easy numbers that you can then add together for the answer. Video: . math-tricks-multiplication. Math tri ...more

Is the equation m=5p or c=p/-4 a direct variation or an indirect variation. The video explains how to tell the difference. A chart is provided that helps you classify the equations along with sample problems. Video: . Direct variation 7th Grade Math. Definition and examples of ...more

What are perpendicular lines or what is perpendicular? Well perpendicular are two lines that intersect at 90 degree angles. So let's look at a couple of examples of where we will see those. So we have two lines and they are intersecting at 90 degree angles, and I will label it ...more

Directions for finding the side length of an isosceles triangle. Find the length of side a of an isosceles triangle with a height of 10 and a base of 8. Video: . Isosceles Triangle-6th Grade Math. Isosceles Triangles have two congruent angles and sides. CCSS 6.GA.1-6th Grade M ...more

Absolute value explained The absolute value of a number is its distance from zero. Absolute value is written with the following symbol | x | . Video: . MooMooMath/Absolute Value Definition of Absolute Value. Definition of Absolute Value (also called numerical value) explained ...more

Use this method to multiply 2 and 3 numbers quickly. With practice you can almost multiply faster than your calculator, and can save you time on a test. Video: . math-tricks-multiplication. Math tricks for multiplying two digit numbers,large numbers, and numbers by 11. These M ...more

I have seen this technique described as "Chinese Multiplication", Japanese Multiplication", Vedic Math Multiplication, and even "Ancient Arabic Multiplication". It is a fun way to multiply numbers using lines. I don't know if you can replace traditional forms of multiplication ...more

Times table tricks Use your hands to multiply 6,7,8, 9, and 10's. It is easy, and an alternative to times tables. Video: . Times tables Tricks - Use your hands to multiply numbers. Learn to use your hands to multiply 6,7,8,9 and 10. With a little practice it is easy and fast.

How do you find the area of a triangle when you don't have a right angle or an altitude?. You can use the coordinates in order to find the area of the triangle. Video: . Math Help Videos -MooMooMath. MooMooMath provides Math help videos,step by step Math help,math equations,in ...more

Video: . How to find the height of a cylinder given the volume The sample problem is Find the height of a cylinder with a volume of 288p and a radius of 6 units The solution is found by plugging your given information into the volume formula for a cylinder and solving for you ...more

Arc Length is the length of the arc that is part of the circumference. The formula for arc length = measure of AB/ 360 2pi radius Video works two example problems finding arc length. Problem 1 is Find the arc length of a circle with a radius of 5 and an angle measure of 50 deg ...more

Apply the Pythagorean Theorem Today we are going to look at applying the Pythagorean Theorem. Example problem. A 12 foot ladder is placed four feet from the base of a wall, how far up the wall will the ladder reach? Video: . Rules of working with a word problems in Geometry. F ...more

Video: . Surface Area of a Prism. Surface Area of prism explained,with the formula, a calculator, and a video The surface area of a prism is the total area of the surface of the prism.

Video: . Video covers four Theorems that pertain to Inscribed angles . The four Theorems are as follows. Theorem: The measure of an inscribed angle is one half the measure of its intercepted arc Theorem: If two inscribed angles of a circle intercept the same arc, then the ang ...more

Step by step directions for multiplying polynomials with negative exponents. Video: . How to simplify negative exponents. Negative exponents rules and examples. Includes negative exponents and fractions,negative exponents and scientific notation

This video works sample problems in which the hypotenuse of a 30 60 90 triangle is given and trig functions are used to find missing sides. Video: .

Example problems in which you simplify radicals that have variables. Video: . Math Help Videos -MooMooMath. MooMooMath provides Math help videos,step by step Math help,math equations,infographics, math calculators and more.

Explanation of the "power of i" and how to solve algebra problems involving the "power of i" Video: . For more info see. Multiplying Complex Numbers| Pattern of i. Step by step directions for multiplying complex numbers and using the patterns of i

How to graph quadratic equations. The example problem graphs a change of direction of a parabola. Video: . Math Help Videos -MooMooMath. MooMooMath provides Math help videos,step by step Math help,math equations,infographics, math calculators and more.