“The Rat Pack”

“The Rat Pack”Maria Cox, Lora Davis, Josh Johnson, Matt Noga, Penny Parker

Warm-upLast weekend mr. smith’s class made money taking turns working the concession stand at the football and soccer games. After five hours they earned $200. How much money would they raise if they worked 13 hours?

THE ROBOT PROBLEMIf three robots make 17 cell phones in 10 minutes, 12 robots can make how many cell phones in 45 minutes?

Solutions we thought of beforeRobots Cell

PhonesMinutes Explanation

3 17 10 given3 76.5 45 Multiply cell phones and minutes by

4.512 306 45 See that 3 times 4 is 12, so multiply

cell phones by 4 as well

Ratio Table:

Proportion

Using this information, build another proportion

Drawing

Teacher Prompts – Student Learning First Prompt – “Three variables must be

considered, not just two” Second Prompt – Showed various ways

to represent problem on Smartboard Third prompt – graph paper

Student Work

Student Work

More Student work

Fred Lynn – Penny Parker and Lora Davis Unitizing

Tables proportions

Maria Cox Sheltered ESOL math

class  Use similar example to

help them out x amount of students,

cleaning y amount of rooms, in z hours.  

Unsure when in groups Students either made

no connections Ignored work done by

others Students need more

opportunities