Curated OER
How Do You Multiply Decimals?
Find the product of numbers that have decimals. First, ignore the decimals and multiply the integers. Second, count the place values of the decimals for each value given. Third, add the values together. Fourth, place the decimal in the...
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...
Corbett Maths
Decimals to Fractions
Look at decimals in a different light. The resource uses place value to show learners how to convert decimals to fractions. Afterwards, class members practice their skills with two different worksheets.
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...
Curated OER
Changing Decimals Into Fractions
This simplistic explanation describes how to change a decimal into a fraction. The tutor does a good job explaining that the place value of the decimal determines the number needed in the denominator, but reduces each fraction with out...
Curated OER
Comparing Decimals
Comparing decimals can be easy. Watch and learn how to line up four decimal numbers vertically and then starting from the left, compare each number in each place value to determine which is largest and which is smallest. This procedure...
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.
Curated OER
How Do You Add Decimals?
Need a review for adding decimals? Make sure to line up the decimals, write in zeros for placeholders, add the numbers, bring down the decimal. There you have it.
Curated OER
Scientific Notation 1
Scientific notation is defined and used to express the number 0.0000000003457. This concept is not as clearly defined as it could be, and is probably not suitable for those who have not had prior experience with the concept.
Math Antics
Convert Any Fraction to a Decimal
Find another way to write a fraction. Using long division, the video shows how to convert a fraction into a decimal. Learners use their knowledge of fractions to then set up the division problem.
Krista King Math
Decimal Equations
Extend your classes' understanding of solving equations by introducing decimals into the mix! Here, a video tutorial shows how to convert decimals to integers in an equation by multiplying by powers of 10. Shows three examples of...
Curated OER
Dividing Decimals 2.1
Occasionally, in mathematics, there are "short cuts" one can take. Sal explains a quick way to divide decimals numbers. He demonstrates that in certain cases, simply shifting the decimal point to the left will result in a correct answer.
Krista King Math
How to Easily Divide Scientific Notation
Dividing with scientific notation made easy. In the video, scholars see how to use scientific notation to divide numbers. Along the way, they learn how to identify and convert values in scientific notation.
Numberphile
Pi and Four Fingers
The Simpsons isn't the most likely television show to teach your scholars about math—but it does! An engaging video in the Numberphile "Pi" series explains some math concepts that arise in the show. It also explains some historical...
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