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How To: Solve compound interest algebra problems
In this math lesson we will learn how to solve compound interest math problems. Click the play button to start the video.
How To: Calculate sales tax in algebra
In this math lesson we will learn how to solve math problems involving sales tax. Remember these two important formulas:
How To: Use simple interest and compound interest in algebra
In this math lesson you will learn about simple interest and compound interest. Whenever you want to borrow money from a bank, you have to pay interest at a certain percent rate. The main difference between compound and simple interest is the fact that the simple interest is paid only on the principal, while the compound interest is paid on both the principal and the accumulated interest The simple interest is given by the following formula:
How To: Solve a math probability problem with a number cube
In this math lesson we will learn how to solve simple probability problems with a number cube. The probability of an event measures the likelihood that the event will occur.
How To: Solve a math probablity problem with two dice
In this math video we will learn how to solve a probability problem involving independent events with two number cubes.
How To: Use a spinner to solve math probablity problems
In this lesson we will learn how to solve probability problems involving a spinner. A probability measures the likelihood of a certain event. It always ranges between 0 and 1. The following formula can be used to find the probability of a particular event:
How To: Solve a probability math word problem
In this lesson, you will learn how to solve a probability word problem. Need help with your algebra and geometry? Well...
How To: Find the math probability of two independent events
Watch the following math probability video to learn how to find the probability of two independent events. This will help you with your algebra or geometry homework.
How To: Find permutations and combinations in math probability
In this permutation and combination math tutorial, we will learn how to find the number of possible arrangements in a set of objects. So, if you need help with your algebra or geometry homework, watch this.
How To: Build yourself a slide rule
Nate, the Mathematics Guy shows you the basics of a slide rule. He explains what a slide rule is and how you can build one of your very own!
How To: Multiply polynomials using FOIL in algebra
This is a teacher created explanation covering first, outer, two, terms, inner, last, and distributing in math. Multiply polynomials using FOIL in algebra.
How To: Use the abacus calculator
Ever wonder about the abacus? This venerable classic is surprisingly easy to use. Check out this brief demo on various abacuses.
How To: Learn math with a metronome and drumometer
Dan Britt teaches math concepts with the aid of a metronome and drumometer.
How To: Distribute algebra expressions
Learn how to distribute in simple algebraic expressions to help solve those mathematical equations.
How To: Understand algebra functions
What does f(x) mean? What does g(4) mean? We explore this and more in this 3-part series, "Understanding Math Functions."
How To: Do the disappearing dollar math trick
A math story problem in which you seem to come up a dollar short in the solution...but not really. Here's the trick with an explanation.
How To: Practice lattice multiplication in math
A mathcast done by a 5th grade class in Detroit, Michigan, USA on an alternative way of doing multiplication.
How To: Decode binary numbers
Understanding the Binary Numbering System and how to decode binary numbers.
How To: Calculate math without a calculator
Before the calculator and even the abacus was invented, there was a little instrument called the human brain that we used to do math. Remember that? While most of us turn to our trusty Ti-84s to do calculus homework or whip out our cell phone calculators to determine how much we should tip at Johnny Rocket's, it can often be much faster to use our own brains, along with a piece of paper and pencil.
How To: Add fractions by finding the least common denominator
This video shows students how to add fractions with different denominators. To add different fractions you must be able to find the least common denominator.
How To: Calculate ordinary differential equations
MIT Professor Arthur Mattuck gives a lecture on how to calculate with ordinary differential equations (ODEs). He also covers the geometrical view of y'=f(x,y), directional fields, and integral curves. Calculate ordinary differential equations.
How To: Calculate the area of a triangle
This video gives a step by step tutorial showing how to calculate the area of a triangle. This is a great video to help children with their homework.
How To: Improve your math skills with a free Speed Math game
In this tutorial you will see how to use Jimmy's speed math program that he wrote in Flash. A download to the program is included. This is a GREAT way to help your kids or students (or maybe adults?) get better at math.
How To: Calculate fast with your body parts
Learn to calculate fast with your body parts. Amazing trick to learn easily multiplication table or times tables (in just 2 min.)
How To: Square numbers faster
Become Harry Potter of Mathematics. In 5 min. reprogram your mind to calculate faster than the Calculator itself. Impress others with your super-fast mental mathematics.
How To: Be a human calculator
Before we had the calculator and before we had the abacus we had the human brain to complete our math problems for us. Remember that? Well, it seems that few of us do, resorting to calculators on our phone for elementary subtraction problems and multiplication.
How To: Multiply three digit numbers in a single step
Want to be able to do large multiplication problems without a calculator? This video will teach you a method of multiplication in which you will be able to multiply three digit numbers in a single step. Multiply three digit numbers in a single step.
How To: Multiply large numbers
This video demonstrates, without narration, a trick to multiplying large numbers. To do the trick, just draw a diagonal line for every unit in the number and add up the number of times the lines cross.
How To: Do a math trick
This video demonstrates how to do a math trick. This is a fun way to teach children basic math and multiplication. Do a math trick.
How To: Find the area of a rectangle easily
This tutorial instructs how to calculate the exact area of a rectangle. This tutorial will be very handy for parents, it will help you be able to rescue your children from the homework pit. Find the area of a rectangle easily.
How To: Find the volume of a parallelepiped
This video gives an exact tutorial on how to find the volume of a parallelepiped. A parallelepiped is a three dimensional rectangle or parallelogram.
How To: Compute derivatives
Learn how to compute derviatives from this web channel devoted to educational shows and resources for schools. Annenberg Media brings you an interesting lecture that combines history and math. Compute derivatives.
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