1. Friday, March 8th, 2019 Have the following on your desk:
Daily Announcements:
Pencil
Entrance Ticket
Keeper
Something to write with
Math Lab – Tuesday and 8:15
Pi Day – 3/14 Thursday – Bring Circle Foods to share.

2. Let’s Get our Math Brains Working!
Complete your Entrance Ticket: This is a review of percentages. 

3. What are we learning today?
We are going to learn the difference between a biased and unbiased sample as well as the type of sample it is (MGSE7.SP.1,2).
Vocabulary:
Biased sample
Unbiased sample
Simple random sample
Systematic random sample
Convenience sample
Voluntary response sample

4. Systematic Random Sample Voluntary Response Sample
Keeper Notes:
Method
Example
Simple Random Sample
Each person in the population is likely to be chosen as the other.
Systematic Random Sample
Items or people are selected according to a time or interval.
Method
Example
Convenience Sample
Using people that are easily accessed.
Voluntary Response Sample
Those who want to participate in the survey.

6. Around the World
Visit each problem around the world (okay, just the classroom) and determine if it is:
Biased or unbiased
The type of sample if is

7. Closing Time…

8. On the back of your entrance ticket -
Give an example of a biased and an unbiased sample.