QR Challenge: Chapter 8 Test Review Math I

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa ) onto their mobile devices
Bring these devices into the lesson.

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question	Answer
Which vocabulary word means "A data distribution with the peak of the data on the left hand side and only a few points to the right side of the graph"?	skewed right
Which vocabulary word means "data that can be counted"?	Discrete data
Which vocabulary word means "data which can take any numerical value within a range"	Continuous Data
Which vocabulary word means" A data distribution with the peak of the data on the right hand side and only a few points to the left side of the graph"?	skewed left
What is the name of the data you must find in order to create a box plot?	Five number summary
Construct a dot plot of the data below	dot plot
Find the five number summary, IQR, Upper and lower fences, and outliers (if any) of the data below and create a box plot	box plot, 5 number summary, IQR, Fences, outliers
Create a histogram of the data below, using the first interval given	histogram
Using the graph below, answer the question "how many players are on the softball team?"	14
Using the graph below, answer the question "What percent of the surveyed adults are 68 inches tall or shorter?"	50%
Which is the best measure of center for data that is skewed, mean or median?	Median
Which is the best measure of center for data that is distributed symmetrically,mean or median?	Mean
Determine which measure of center best describes the data below, and calculate that measure.	Median, 2
Calculate the mean and standard deviation of the data given using a graphing calculator	Mean=6.56, Std.Dev.=3.34
Determine the best measure of center and best measure of spread for the data sets that are given in the side-by-side stem and leaf plot. Then calculate those measures for both sets of data.	Median and IQR. Median Data 1 = 112 IQR Data 1 = 23.5, Data 2 = 108.5 IQR Data 2 = 10