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Instructional Video5:12
Curated OER

How Do You Find the Probability of a Simple Event?

6th - 12th
A bag contains marbles of different colors. You put your hand in the bag to grab a marble. What are your chances of picking a given color? Learn how to set up this probability word problem and then solve it.
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Instructional Video5:39
Curated OER

What is an Unbiased Sample?

6th - 12th
Transmit to your class what an unbiased sample is with this video. The video goes into detail about what an unbiased sample looks like, providing examples and listing several different types of random sampling. This could be used when...
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Instructional Video5:22
Curated OER

How Do You Find the Volume of a Rectangular Pyramid?

6th - 12th
How do you find the volume of a rectangular pyramid? Watch this video and find out! In the tutorial, a lecturer works through an example problem. While she works, she describes each step and each formula necessary to solve the problem. A...
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Instructional Video6:31
Curated OER

How Do You Find the Volume of a Triangular Pyramid?

6th - 12th
Instruct your class on how to find the volume of a triangular pyramid using this tutorial. Learners can watch the video and take notes, later applying what they have seen to class work or homework. A clear video with direct instruction,...
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Instructional Video5:56
Curated OER

How Do You Find the Volume of a Triangular Pyramid?

6th - 10th
Instruct your class on how to find the volume of a triangular pyramid using this tutorial. Learners can watch the video and take notes, later applying what they have seen to class work or homework. A clear video with direct instruction,...
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Instructional Video3:01
Curated OER

5th Grade: Dividing Fractions

5th - 7th
This clip may be of some use, provided either as a tutorial for students or a methodology for a teacher. Dividing fractions is described and associated as flipping and dipping similar to rip and dip at Pizza Hut. Note: This video appears...
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Instructional Video1:38
Curated OER

What is the Associative Property?

6th - 12th
A straightforward definition of the associative property of addition and multiplication, this resource could be used to help learners tackle the concept. You might consider giving the link to struggling class members so they can use it...
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Instructional Video5:04
Curated OER

What is an Unbiased Sample?

9th - 12th
Transmit to your class what an unbiased sample is with this video. The video goes into detail about what an unbiased sample looks like, providing examples and listing several different types of random sampling. This could be used when...
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Instructional Video4:47
Curated OER

How Do You Find the Volume of a Rectangular Pyramid?

8th - 10th
How do you find the volume of a rectangular pyramid? Watch this video and find out! In the tutorial, a lecturer works through an example problem. While she works, she describes each step and each formula necessary to solve the problem. A...
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Instructional Video4:12
Curated OER

Scientific Notation 1

7th - 9th
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.
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Instructional Video6:07
Curated OER

How Do You Find an Average?

4th - 7th
How do you find an average of something? Watch this video and see how you can add up all your elements then divide by the number of elements you added up. So simple!
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Instructional Video6:16
Curated OER

How Do You Use a Tree Diagram to Count the Number of Outcomes in a Sample Space?

6th - 11th
Deciding what to wear can be difficult, but it helps if you know your options. Use a tree diagram to solve word problems like the one in this video! Class members can watch and learn how to find and count possible outcomes (or outfits)....
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Instructional Video5:54
Curated OER

What is the Median of a Data Set?

6th - 12th
Mean, mode, median? What's the difference? How do you find them? The teacher focuses on explaining median in this video. She gives a good explanation and shows several examples using different sets of numbers.
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Instructional Video4:50
Curated OER

What is Numerical, or Quantitative, Data?

6th - 12th
The teacher gives a very thorough explanation of numerical or quantitative data being anything where the answer to a question would be a number. Whereas any other answer might be considered categorical. She shows several different ways...
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Instructional Video3:51
Curated OER

How Do You Find the Range of a Data Set?

6th - 12th
Looking for the range of a set of numbers? Well, that means you are looking for the difference between the largest value and the smallest value. So first, write the numbers in order from least to greatest. Then identify the largest value...
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Instructional Video5:19
Curated OER

What is the Mode of a Data Set?

6th - 12th
Mode, the number that occurs most often. A data set could have one mode, no modes, or multiple modes. The teacher explains these variations and even gives some example of non-numerical data and how to figure out the mode.
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Instructional Video7:19
Curated OER

What is a Frequency Table?

6th - 12th
So you have a data set and you want a visual diagram to help you analyze the data. Not sure how to draw it? The instructor illustrates four different ways to look at a frequency table: two tally tables, one line graph, and one bar graph....
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Instructional Video6:28
Curated OER

How Do You Find the Minimum, Maximum, Quartiles, and Median of a Data Set?

6th - 12th
The data sample comes from the number of glasses of water consumed each day by 15 students. You are trying to find minimum, maximum, median, and quartile from this data set. Minimum is the smallest number that occurs, while maximum is...
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Instructional Video3:13
Curated OER

How Do You Find the Mode of a Data Set Where All The Numbers are Different?

6th - 12th
You already know that the mode of a data set is the number that occurs most often in the set. But what if all of the numbers in the set occur the same number of times? I could tell you the answer, but I think you should watch the video.
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Instructional Video6:52
Virtual Nerd

How Do You Use a Tree Diagram to Count the Number of Outcomes in a Sample Space?

6th - 9th Standards
Deciding what to wear can be difficult, but it helps if you know your options. Use a tree diagram to solve word problems like the one in this video! Class members can watch and learn how to find and count possible outcomes (or outfits)....
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Instructional Video4:26
Curated OER

What is a Common Multiple and Least Common Multiple?

5th - 8th
A common multiple is exactly what it says it is: a multiple that two or more numbers have in common. So then a least common multiple would be the smallest common multiple that two or more numbers have in common. Watch this video to see...
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Instructional Video3:55
Curated OER

How Do You Figure Out the Price of a Marked Up Item?

6th - 9th
Inflation and higher fuel costs means airplane tickets will cost more to the consumer. So here is a word problem that presents a real-world situation. Figure out the total price for an airplane ticket that has increased by 30% from the...
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Instructional Video
Virtual Nerd

Virtual Nerd: What Is Probability?

9th - 10th Standards
Probability is the chance an event will occur. Check out this tutorial to learn about probability. [5:17]
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Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Find the Probability of the Complement of an Event?

9th - 10th Standards
Probability is useful when solving everyday problems. Watch this tutorial to see how to find the probability of the complement of an event using gummy worms. [5:36]