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1 In 1 Collection 2:43
Lesson Planet

The Lowdown — Defining and Calculating Percents

For Teachers 6th - 7th Standards
Don't discount the lesson. Part of The Lowdown: Real-World Math series, an engaging video shows viewers how to calculate percent discounts using the idea that percents are ratios out of 100. It also looks at how to determine whether a 20...
1 In 1 Collection 2:34
Lesson Planet

The Lowdown — Percents Defined

For Teachers 6th - 7th Standards
Out of every 100 times, how many times was the lesson a success? Scholars first watch a short video from The Lowdown: Real-World Math series to learn about the meaning of percents. They then color in 10-by-10 grids to express percents...
3:53
Lesson Planet

Coordinates and Shapes

For Students 6th - 11th Standards
Where is the point? Given three points on the coordinate plane, the video walks through the steps to find the location of the fourth point to create a given special quadrilateral. The narrator first determines the coordinates of the...
4:50
Lesson Planet

Medians and Quartiles from Grouped Frequency Tables and Histograms

For Students 6th - 10th Standards
Determine medians within a group. Given data represented as a frequency table of grouped data, the video demonstrates finding an estimation for the median. After finding the group where the median resides, the presenter uses a formula to...
3:50
Lesson Planet

The Median

For Students 6th - 8th Standards
Find the one in the middle. An informative resource explains how to determine the median of a set of numbers. Using both even and odd numbers of data points, the video covers the process of finding the middle number. Worksheets provide...
0:42
Lesson Planet

The Range

For Students 6th - 8th Standards
Spread the data out on the range. The short video provides a definition of the range. Using a data set of five numbers, the resource calculates the range.
1:21
Lesson Planet

The Mode

For Students 6th - 8th
Most frequently prefer the mode. The resource defines the mode and shows how to determine it in a data set. Using another type of problem, the video develops a data set with a given mode and number of data points.
1:09
Lesson Planet

The Mean

For Students 6th - 8th Standards
Two steps toward the mean. Using a set of five numbers, a video shows the calculation steps needed to find the mean. Classmates then practice the new skills independently.
4:20
Lesson Planet

Estimated Means from Grouped Data

For Students 6th - 12th Standards
Can scholars determine the mean if the frequency is for a range? By using a method similar to finding the mean from a frequency table, the video shows how to find an estimated mean for grouped data. It uses the midpoint of the interval...
3:39
Lesson Planet

Means from Frequency Tables

For Students 6th - 10th Standards
Shorten the calculations with the power of multiplication. Using the meaning of multiplication, the video shows a more efficient method of calculating the mean for data displayed in a frequency table. There is no need to write out each...
5:11
Lesson Planet

Enlargements with Negative Scale Factor

For Students 6th - 12th Standards
How will a scale factor affect a figure—negatively? Using a grid, the narrator of an engaging video performs a dilation with a negative scale factor. The presenter compares a positive scale factor with a negative scale factor to explain...
3:31
Lesson Planet

Enlargements with Fractional Scale Factors

For Students 6th - 12th Standards
Enlargements make it bigger, right? A video shows viewers how to perform a basic dilation with a fractional scale factor. They learn how to use the scale factor to find the location of the transformed vertex by multiplying the horizontal...
4:55
Lesson Planet

Finding the Centre of Enlargement

For Students 6th - 12th Standards
Where did the transformation begin? Using a ruler, the narrator of a short presentation shows how to find the center of enlargement for transformed figures. Worksheets provide the class members an opportunity to practice the newly...
6:31
Lesson Planet

Describing Enlargements

For Students 6th - 12th Standards
What caused that to happen? Using three aspects, a video demonstrates how to describe an enlargement or dilation. The presenter counts the lengths of the sides to determine the scale factor and a ruler to find the center of dilation.
2:40
Lesson Planet

Enlargements

For Students 6th - 12th Standards
Count on the scale to enlarge a figure. The video shows how to create an enlargement given a scale factor and a center of enlargement. The presenter multiplies the vertical and horizontal distance by the scale factor to find the new...
5:42
Lesson Planet

Inverse Proportion

For Students 6th - 12th
Take an indirect view of proportionality. Using a similar approach of direct variation, the resource shows how to solve inverse proportions. The video steps through finding the constant of proportionality to write the formula for the...