Corbett Maths
Fractions to Percentages
Take a look at the percentage of fractions. Mathematicians learn two different methods to convert fractions to percents. Using two worksheets, classmates practice the methods to determine when one method works easier than the other.
Corbett Maths
Percentages to Fractions
The percent is just a fraction of what the whole used to be. The resource uses the definition of percents to convert percents to fractions. Pupils then use the worksheets to practice the skill.
Corbett Maths
Percentages to Decimals
Make a simple conversion. The short resource provides a description and demonstrates the process of changing percentages to decimals. Two worksheets provide pupils the chance to practice the skill.
Corbett Maths
Recipes
Just how much of each ingredient is required? The resource works a few examples of scaling a recipe to feed more or fewer people than outlined. Pupils follow the examples to work out similar problems.
Art of Problem Solving
Subtraction and the Distributive Property
There's got to be a better way. Scholars learn that the distributive property does work with subtraction and not just addition. Using that fact, the video shows how to find the product of two numbers by rewriting a complicated number as...
Art of Problem Solving
Subtraction Problems
Subtraction does not work with the commutative property ... or does it? Confronted with a difficult problem, the narrator realizes that by writing the subtractions as adding a negative, he can rearrange the problem. Pupils learn that as...
Art of Problem Solving
Introduction to Division
Use reciprocals for the purpose of division. The video shows how to use reciprocals to rewrite division problems. Pupils see that the definition of division as the multiplication by the reciprocal works for all types of numbers.
Art of Problem Solving
What's a Reciprocal?
If there is something in addition to get to the identity, does the same exist for multiplication? Using negative numbers to talk about the identity of addition, the video asks the question whether something similar exists for...
Art of Problem Solving
Subtraction with Negatives Part 2
Dive deeper into subtraction. The presenter shows two more ways to use the definition of subtraction to solve subtraction problems. Using the distributive and commutative properties, pupils learn how to solve problems such as subtracting...
Art of Problem Solving
Subtraction with Negatives Part 1
What is the definition of subtraction when dealing with negatives? The short video provides the definition of subtraction. Scholars observe as the presenter applies the definition to examples with negative numbers.
Art of Problem Solving
Commutative Property of Addition
For a change, order does not matter. A short video provides a definition of the commutative property of addition. Pupils develop an understanding that—unlike some operations—order does not matter for addition problems.
Art of Problem Solving
Associative Property of Addition
Groupings are the way to go! The short video provides a description of the associative property of addition and gives an example. Learners view how to write the property using variables.
Math Antics
Comparing Fractions
Comparing fractions, it is just not the same as comparing whole numbers. The video starts with fractions with common denominators and moves on to comparing fractions that are not as obvious. Scholars learn two techniques, cross...
Math Antics
Converting Base-10 Fractions
How do fractions and decimals relate? Scholars learn how to change base-10 fractions to decimals and vice-versa. The sixth resource in a 16-part series revisits decimal place value. The video walks through the steps to write decimal...
Math Antics
Fractions Are Division
Divide up the interpretation of a fraction. The third installment of a 16-part series introduces a new interpretation of fractions, that of a division problem. The resource shows three different ways to write division problems and asks...
Math Antics
Simplifying Fractions
Could that be any simpler? Pupils learn how to simplify fractions by using three steps; factor, cancel common factors, and then multiply. The video works several examples starting with some basic ones, eventually working up to a more...
Corbett Maths
Transformations of Graphs
Geometric transformations in algebra ... what? Given four transformations, the narrator explains how each affect the graph of the original function. The transformations involve translations and reflections, both horizontally and...
Mathispower4u
Negative Exponents - Fractions with Powers Raised to Powers (Example)
Get a little practice. The video contains three examples of simplifying fractions involving negative exponents. Pupils get an opportunity to refresh their knowledge of exponent properties as they watch the presenter use different methods...
Mathispower4u
Evaluate an Expression with a Negative Exponent
The same rules apply. While watching the video, learners realize that the same rules apply to evaluate an expression with negative exponents as does simplifying an expression. The presentation shows a set of steps to evaluate a monomial...
Mathispower4u
Simplify an Expression with a Negative Exponent
Recognize the base. Part of a larger Algebra I series, the short video highlights the importance of recognizing the base to simplify expressions with exponents. In doing so, pupils notice the basic property that uses negative exponents.
Mathispower4u
Simplify a Fraction Raised to a Negative Power
Flip the fraction and continue. Given a fraction raised to a negative power, the narrator shows pupils two methods of simplifying the expression. Using different properties of negative exponents, the he demonstrates that either method...
Mathispower4u
Simplify a Quotient of Expressions with Neg Exponents (Adv -2 Methods)
Even with complex quotients, there is still more than one way to simplify an expression. The narrator of a short shows two methods of simplification when dealing with expressions with negative exponents. One method follows the more...
Mathispower4u
Simplify a Quotient of Expressions with Neg Exponents (2 Methods)
Is this method better, or this one? Given a quotient of expressions that involve negative exponents, the narrator of a short video works through two methods of simplification. The first method relies on positive exponents, while the...
Mathispower4u
Simplify a Product of Expressions with Neg Exponents (2 Methods)
Which method works best for you? Using a product, an informative video shows two methods to simplify the resulting expression. One method starts by rewriting the expression with only positive exponents. The other method uses the...