TED-Ed
Four Ways to Understand the Earth's Age
Cartoon children compare the earth's age to timescales that we understand:a calendar year, the thickness of a book, the human lifespan. This smart film clip is definitely worth adding to your geologic timescale lesson! If you subscribe...
Flipped Math
Modeling with Graphs
Create a graph for anything in the world. Pupils continue to work with graphs that model situations. The learners analyze different graphs to answer questions about the scenario along with finding equations of graphs. Scholars use...
Flipped Math
Create and Analyze Graphs
Model the world with graphs. Pupils watch and participate in creating graphs to model real-world situations. The presenters stress the importance of a consistent scale and proper labels for the graphs along with identification of the...
Corbett Maths
Error Intervals
Rounding a number sometimes creates more problems. A video lesson explains the error intervals for rounded and truncated numbers. The narrator expresses the error as a compound inequality and uses a number line as a reference.
MinutePhysics
Weigh a Million Dollars with Your Mind
Ever wonder if you could carry a million dollars? A video tutorial uses money to demonstrate estimation calculations. Using known values, the narrator builds an approximation for the weight of a million dollars.
TED-Ed
How to Think About Gravity
What goes up must come down, but there is more to the phenomenon than meets the eye! As it turns out, any two objects attract to each other. The formula for Newton's law of universal gravitation is introduced in the explanation. A touch...
Khan Academy
Khan Academy: Algebra: Applying the Metric System
A step-by-step breakdown on how to solve a real-world application problem involving converting units within the metric system. [5:43]
Khan Academy
Khan Academy: Algebra: More on Significant Figures
Video explaining the rules for calculating the number of significant figures. Includes link to additional practice at the top of the video. [5:40]
Khan Academy
Khan Academy: Algebra: Multiplying and Dividing With Significant Figures
Video showing how to multiply and divide with significant figures. Includes examples of carpeting a floor and laying tile. [9:31]
Khan Academy
Khan Academy: Algebra: Addition and Subtraction With Significant Figures
Video showing how to add and subtract numbers using significant figures. Contrasts adding and subtracting with significant figures with multiplying and dividing. [8:59]
Khan Academy
Khan Academy: Algebra: u.s. Customary and Metric Units
An introductory video introducing the U.S. customary and metric units and which units measure length, mass, and volume. This video also appears in the strand Arithmetic and Pre-Algebra: Ratios and Proportions. [5:10]
Khan Academy
Khan Academy: Algebra: Complex Numbers:calculate I Raised to Arbitrary Exponents
Video shows how to write i raised to various powers as simpler problems using exponent rules and the simple powers of i rules shown in the previous video. Includes link to additional practice problems. [6:20]
Khan Academy
Khan Academy: Algebra: Richter Scale
Discusses the Richter scale as a logarithmic scale and explains how to interpret the magnitudes of four different earthquakes. [11:19]
Sophia Learning
Sophia: Significant Figures in a Measurement: Lesson 3
This lesson will demonstrate how to determine the correct number of significant figures in a measurement (both analog and digital). It is 3 of 3 in the series titled "Significant Figures in a Measurement."
Crash Course
Crash Course Chemistry #2: Unit Conversion & Significant Figures
A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international...
Khan Academy
Khan Academy: Algebra: Complex Numbers
Video explains what complex numbers are and shows how to write them. Includes an example of writing a real number as a complex number. [2:21]
Virtual Nerd
Virtual Nerd: How Do You Subtract Complex Numbers?
Watch this tutorial to learn how to subtract complex numbers and see a great example. [3:12]
Khan Academy
Khan Academy: Statistics: Range and Mid Range
Video demonstration of calculating range and mid-range of a set of numbers. [2:03]
Khan Academy
Khan Academy: Addition and Subtraction With Significant Figures
Video showing how to add and subtract numbers using significant figures.
Khan Academy
Khan Academy: Interpreting Features of Functions 2 (Example 2)
Solving a problem involving function step by step.
Imagine Learning Classroom
Learn Zillion: Lesson Video for 'Estimate Values on a Graph'
In this lesson, you will learn how to read from a graph by estimating between gridlines. [5:15]
Virtual Nerd
Virtual Nerd: How Do You Multiply Pure Imaginary Numbers?
This tutorial demonstrates the steps to find the product of pure imaginary numbers. [5:23]
Study Pug
Study Pug: Introduction to Imaginary Numbers
Video tutorial introduces the notion of imaginary numbers, and how to simplify them. [10:19]
Art of Problem Solving
Art of Problem Solving: Decimals and Estimation
Video tutorial uses examples to reinforce understanding of how to estimate problems involving decimals. [7:16]