8.SP.A.2

Find the Spy

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Game Info for Teachers

COMBINED RATING

3.7 Stars

TEACHERS (13)

3.6

STUDENTS (1916)

3.9

LENGTH

12 Minutes

GRADES

CAPABILITIES

iPad Support

Text-to-Speech Support

Description

Linock Holmes needs you to save the world. Help him defuse a bomb, and then find the spies who set it.

Vocabulary Words

linear

non-linear

strong association

weak association

correlation

cluster

outlier

trend

line of best fit

graph

coordinate pair

scatter plot

Instructions

Play through this interactive game to learn about Line Of Best Fit. Suitable for Grade 6, Grade 7, Grade 8.

Main Concepts

If the points generally trend in a linear fashion (Trend in a straight line) they are said to have a linear association.

Describe groups of points as clusters.

Graph paired measurements that may be associated with a scatter plot.

Describe points that are far off the trending points as outliers.

When paired associated measures trend in a generally linear fashion, use a line of best fit to show the general trend.

The line of best fit is an approximation to show the associative trend.

Determine if a line of best fit is placed accurately by analyzing the location of points on the scatter plot.

Look for a positive or negative trend in the cloud of points.

Identify a nonlinear pattern (i.e. curved pattern).

Identify a strong (most of the points correspond by increasing or decreasing in correspondence with the associated values) or weak association (some of the points correspond by increasing or decreasing in correspondence with the associated values of the variables).

Discussion Questions

Before the Game

How does a positive correlated graph differ from a negative correlated graph? In a coordinate pair such as (2,3), what does each number represent?

After the Game

What does the line of best fit tell us about data points? How does a line of best fit differ from an equation of a line? How is a scatter plot used to determine the line of best fit?

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