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### We found 77 resources with the concept real numbers

Videos (Over 2 Million Educational Videos Available)

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Other Resource Types
(77)

Lesson Planet: Curated OER

#### Elementary Algebra

Hello Algebra! If you're in need of a resource with a books worth of examples and practice problems, this is it. Some topics include linear equations, polynomials and exponents, rational expressions, quadratic equations, and a great...

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#### Square Roots And Real Numbers

Sal works through several problems involving rational and irrational numbers, and shows how to find the difference. This video is a good stepping stone for those who are preparing to take on more challenging algebra work.

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#### Prealgebra

Pre-algebra—all wrapped up in one place. The eBook contains everything needed to teach a typical Pre-Algebra course. Concepts in the course build upon previously learned concepts, allowing mathematicians to see the connections between...

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#### Perfect Ten

How many ways can you make 10? Class members tackle three problems to find all possible ways three numbers add to be 10. The first is with positive integers, secondly with non-negative integers, and finally with real numbers. Pupils also...

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#### Properties of Real Numbers

You'll probably learn properties properly after viewing a video that reviews the properties of real numbers, including the identity and inverse properties. Scholars watch a YouTube video that shows how to use the properties to evaluate...

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#### Real Numbers

Real mathematicians have mastery of real numbers. Pupils learn about the classification of real numbers by watching a YouTube video. They also see how to compare real numbers and how to determine absolute value.

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#### Identifying Sets of Real Numbers

Some numbers just want to be whole. Viewers of a short YouTube video learn how to classify real numbers as rational/irrational numbers, integers, whole numbers, and natural numbers. They see how graphic organizers can help visualize...

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#### Classifying Complex Numbers

Imaginary numbers are a real thing. Scholars learn about complex numbers, real numbers, and imaginary numbers. They classify given numbers as strictly complex, strictly real, or strictly imaginary in an individual or group activity.

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#### The Real Numbers: Number System

Get real about learning the real number classification. Young mathematicians create a graphic organizer of the real number system using an interactive. They answer a set of challenge questions on the classifications of real numbers.

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#### The Real Numbers: Adding Electrons

Get a charge out of a great resource! Scholars use an interactive to explore addition and subtraction of integers. They add or remove electrons in an atom model to consider its charge.

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#### The Real Numbers: Union and Intersection of Sets

Not everyone can get what they want in a smoothie. Learners determine the fruit they can place in a smoothie given constraints and preferences. The union and intersection of sets must be taken into consideration.

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#### The Real Numbers: Surjections, Injections and Bijections

Inject a great interactive into your lesson plans. Scholars learn about injections, surjections, and bijections of sets. They use an interactive that shows an example for each of these relationships between sets.

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#### Order Real Numbers: Pie Baking Contest

Time is on your side. Scholars plot three points on number lines with different time units to represent the time it takes three people to bake pies. They determine the fastest baker and the difference in times between the bakers.

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#### The Real Numbers: Size of Infinite Sets

The learning opportunities with the resource on infinity are finite, but it's still good to use. Individuals investigate the size of the set of integers and the set of even integers. Conclusion: the two sets have the same size.

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#### Properties of Real Number Addition: The Secret of Subtraction

Learners sometimes struggle to understand the concept of adding and subtracting integers. Help them see the why behind their answers using the interactive number line. The values change as individuals adjust the number line for each new...

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#### How to Count Infinity

To infinity, and beyond — but really, just between 0 and 1! Using illustrated examples, the narrator shows how all the infinity you could ever hope to find exists between the counting numbers 0 and 1.

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#### A Hierarchy of Infinities

What's larger than infinity? Infinity plus one! Scholars learn about the different levels of infinity in the video that uses bijections as a way to show infinite sets as being the same size. They also and see that the set of real...

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#### Introduction to Real Numbers

What kind of numbers are real numbers? Viewers first review the classification of real numbers in the concept video. A problem video then covers the definition of absolute value.

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#### Unit 8 Math Vocabulary Cards (Grade 6)

Additive inverse, expression, and irrational numbers are a few terms you'll find when you use a set of 22 flashcards designed to reinforce math vocabulary. The set includes two types of cards; a bold-faced word card, and a corresponding...

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#### Practice: Word Problems

Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians busy...

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#### Introduction to Integers

Welcome to the backward world of negative numbers. This introductory lesson teaches young mathematicians that negative numbers are simply the opposite of positive numbers as they use number lines to plot and compare single-digit integers.

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#### Integer Football

They could go all, the, way...to a deeper understanding of integers with this fun math game. Using the included printable materials, young mathematicians practice adding integers and calculating absolute values as they compete in a game...

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#### Placing a Square Root on the Number Line

There are many ways to approach finding the rational approximation of an unknown square root. Here is a problem that will help math learners make a connection between square roots and their order on a number line. As usual, determine two...

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#### Converting Decimal Representations of Rational Numbers to Fraction Representations

A rational number is a ratio of two integers. Discuss with your class how to convert the rational numbers of repeating decimals to fractions. A good commentary on letting x equal the repeating decimal and multiplying each side of such...