Krista King Math
Ratio and Proportion, Word problems
Combine several mathematics concepts as classes solve linear systems. After writing a system of equations involving a proportion, learners then solve the system. A video instructor uses the substitution method and must work with...
Krista King Math
Unit Multipliers
How many yards are in 360 inches? Pupils answer this question with the help of a video lesson. The instructor uses dimensional analysis to complete the conversion.
Krista King Math
Ratio and Proportion
Teach your classes how to solve a simple proportion. A video tutorial explains the process of cross multiplying to solve a basic proportion. The instructor reinforces the meaning of a proportion by solving an example by inspection.
Krista King Math
Adding Mixed Measures
Examine an approach to adding measures of various units. An instructor demonstrates a horizontal approach to adding mixed measures by borrowing from the larger measures. The examples shown include time and length.
Krista King Math
Multiplication and Division of Mixed Numbers
Teach the process of multiplying and dividing mixed numbers with a video lesson. The tutorial shows how to multiply and divide these fractions by first converting to improper fractions. After working through two multiplication problems,...
Krista King Math
Addition and Subtraction of Mixed Numbers
Demonstrate the process of adding and subtracting mixed numbers using a video tutorial. A video instructor explains the steps of combining mixed numbers as she works through several examples. The examples add and/or subtract up to four...
Krista King Math
Mixed Numbers and Improper Fractions
Build a strong understanding of the two forms of fractions. The video tutorial defines mixed numbers and improper fractions. After writing a mixed number and improper fraction to represent the same situation, the instructor shows the...
Krista King Math
Percent Markup
How much money does the store make on the new sneakers you just bought? Use the video lesson to explore the formula for determining percent markup based on a selling price. The example shown explains how to determine a selling price...
Krista King Math
Reciprocals
Teach the concept of a reciprocal using this short video lesson. A video tutorial defines a reciprocal as the multiplicative inverse and then demonstrates several examples of finding the inverse. The instructor also explains the...
Krista King Math
Signs of Fractions
Where do you put the negative sign when working with fractions? The video lesson answers this question by explaining that each fraction has three signs. Pupils see how to adjust the signs of a fraction two at a time.
Krista King Math
Multiplication and Division of Fractions
Discover efficient procedures for multiplying and dividing fractions. A video demonstrates two examples of multiplying fractions and then two of dividing. The instructor emphasizes the similarities of division and multiplication.
Krista King Math
Adding and Subtracting Fractions
Develop a strategy for adding and subtracting fractions with your classes. The video shows a procedure for adding and subtracting fractions by finding common denominators. Each example increases in difficulty.
Krista King Math
Division of Zero
Introduce the idea of an undefined solution to your classes. The video instructor simplifies several problems that result in division by zero and an undefined result.
Krista King Math
Equivalent Fractions and Reducing
Explore the meaning of equivalent fractions. A video instructor shows the process of creating equivalent fractions both visually and mathematically. After explaining how to create equivalent fractions from the most simple form, she...
Krista King Math
Reducing Fractions and Cancellation
Discover the importance of prime factorization when working with fractions. Learners see how finding the prime factors aids in the process of simplifying and multiplying fractions. The instructor demonstrates the process of multiplying...
Krista King Math
Rounding Decimals
Demonstrate the concept of rounding decimals through video instruction. The instructor shows examples of rounding to both the tenths and hundredths places.
Krista King Math
Repeating Decimals
How many decimal places should be included in an answer? The answer is easy when the decimal repeats: all of them! Show classes how to write a represent a repeating decimal using notation. The video demonstrates different situations that...
Krista King Math
Decimal Arithmetic
Teach the four operations with decimal numbers while focusing on the algorithms. The video instructor demonstrates one example each of adding, subtracting, multiplying, and dividing with decimal numbers. She explains the steps of each...
Krista King Math
Place Value
Explore the meaning of place value by writing numbers in expanded form. The video instructor explains place value on both sides of the decimal. She then shows an example of expanded form to the thousands place.
Krista King Math
Divisibility
Examine the processes for determining the divisibility of a number. Some divisibility rules are simple, such as divisible by two or five, while others are more complex. The video explains the divisibility rules for numbers from two...
Krista King Math
Least Common Multiple
Prepare your classes for future work by reinforcing multiples and finding least common multiples. Learners see how to identify the least common multiple of a set of numbers. The instructor shows examples including a set of two and a set...
Krista King Math
Multiples
Connect factorizations to the multiples of given numbers with a video that shows the first five multiples of different numbers. The instructor emphasizes the relationship between the multiples and the factors of the original number.
Krista King Math
Prime Factorization and Product of Primes
Demonstrate a method for finding the prime factorization of numbers using factor trees and a video that explains how to break a number down to its prime factors. The instructor reinforces the concept of factors by displaying the number...
Krista King Math
Prime and Composite Numbers
Create an understanding of prime numbers with the class after watching a video that examines different numbers and recognizes prime numbers as being those that do not have other factors than one and itself. The narrator then identifies...