Transcript S P Inv 3.3 A-C Using Samples in a Simulation.pptx

Math CC7/8 – Be Prepared
On Desk:
Learning Log:
1. Pencil
2. Calculator
3. Math Journal
4. SP Learning Log
1. HW: p. 72, #8-10, #18
2. SP Quiz/Test -Tuesday!
Tasks for Today
• Warm Up – Proportions
• Lesson 3.3 – Sampling in a Simulation
Warm Up
1. Find the value of x in these proportions:
x
28
=
X
=
10
25 70
50
25
=
100
x
10.8
𝑥
=
54.2 100
X = 50
X = 19.93
A – C Today
P (chip assigned to each cookie) = 1/12 = 0.8333 = 8.3%
Use a spinner with 12 spaces (1-12)! After each spin, make
a tally mark next to each cookie number. Stop spinning
when all 12 cookies have at least 5 chips (tally marks).
In pairs, or in groups
Cookie Number of
Chips in the
Number
Cookie?
1
B. How many total chocolate chips did
you need in your simulated batch of
cookies for each cookie to have at least
5 chips?
2
3
4
5
6
7
8
9
10
11
12
Each group writes their total
number of chips on the board.
Model on the document camera.
Everyone makes the histogram in their
journal.
Model on the
document camera.