Khan Academy
Khan Academy: Confidence Intervals and Margin of Error
Confidence intervals and margin of error.
Khan Academy
Khan Academy: Sample Size for a Given Margin of Error for a Mean
Calculate the approximate sample size required to obtain a desired margin of error in a confidence interval for a mean.
Khan Academy
Khan Academy: Appropriate Units
Examples for determining the appropriate units to use to measure a quantity of interest.
Khan Academy
Khan Academy: Applying the Metric System to Perimeter
Applying the metric system to perimeter.
Khan Academy
Khan Academy: Absolute Value and Number Lines
One easy way to think of absolute value is the distance it is from zero. To do that, a number line comes in handy. Watch and learn.
Khan Academy
Khan Academy: Adding Complex Numbers
Video describing how to add and subtract complex numbers with examples.
Khan Academy
Khan Academy: Precalculus: Imaginary and Complex Numbers: Basic Complex Analysis
This Khan Academy video lesson provides a concrete way to help students represent and visualize complex numbers. An Argand Diagram, magnitude, modulus, argument, and exponential forms are utilized in the lesson.
Sophia Learning
Sophia: Reporting Mass Measurements: Lesson 1
This lesson will explain how to determine the precision of a measurement using a balance or scale and report it accurately. It is 1 of 2 in the series titled "Reporting Mass Measurements."
Sophia Learning
Sophia: Reporting Volume Measurements: Lesson 1
This lesson will explain how to determine the precision of a measurement using laboratory glassware and report it accurately. It is 1 of 2 in the series titled "Reporting Volume Measurements."
Sophia Learning
Sophia: Significant Digits: Lesson 2
This lesson will explain false precision and significant digits. It is 2 of 3 in the series titled "Significant Digits."
Sophia Learning
Sophia: Significant Digits: Lesson 3
This lesson will explain false precision and significant digits. It is 3 of 3 in the series titled "Significant Digits."
Sophia Learning
Sophia: Significant Digits: Lesson 1
This lesson will explain false precision and significant digits. It is 1 of 3 in the series titled "Significant Digits."
Sophia Learning
Sophia: Significant Figures in a Measurement: Lesson 1
This lesson will demonstrate how to determine the correct number of significant figures in a measurement (both analog and digital). It is 1 of 3 in the series titled "Significant Figures in a Measurement."
Sophia Learning
Sophia: Using a Ruler to Measure Length
This lesson will go through the steps involved in using a ruler to measure length in inches, including fractions of inches.
Sophia Learning
Sophia: Significant Figures: Lesson 4
This lesson will explain what significant figures are and why they are important. It is 4 of 5 in the series titled "Significant Figures."
Sophia Learning
Sophia: Volume
Here we introduce the concept of volume, the volume of some common shapes, and show how volume can be applied to real world situations.
Sophia Learning
Sophia: Volume
Here we introduce the concept of volume, the volume of some common shapes, and show how volume can be applied to real world situations.
Bozeman Science
Bozeman Science: Significant Digits
Mr. Andersen explains significant digits and shows you how to use them in calculations.