
Objective and Summary:
SWBAT identify the value that relates the quantities x and y as the constant of proportionality and recognize it as the unit rate
Pokemon, Part 2--In a different town, students found different numbers of Pokemon.
a) What does the constant of proportionality mean in the context of the problem?
"The constant of proportionality ________ means that for each..."
CFS
#1: Accurately computes and identifies constant of proportionality
b) How many Pokemon would you expect to find at a park that is 25 square miles? Explain your reasoning or calculations
"At a park that is 25 square miles, I would expect to find _________ Pokemon because..."
CFS
#2: Accurately uses constant of proportionality to extend pattern
DK--Donkey Kong loves bananas. He went to the store and saw a sign that said “BANANAS—59 cents per pound!”
a) Donkey Kong wants to stock up on bananas for his banana hoard. How much will 25 pounds of bananas cost him?
CFS
#1: Accurately computes and identifies constant of proportionality
#2: Accurately uses constant of proportionality to extend pattern
Shoe Sale--Mr. Mancini has noticed that there is competition for his Air Mancinis™, so Mancini Mart is now selling shoes for a discounted price:
a) Paulet decides to buy 9 pairs of Air Mancinis™ for herself and relatives. Find the total cost and explain your reasoning.
CFS
#1: Accurately computes and identifies constant of proportionality
#2: Accurately uses constant of proportionality to extend pattern
Top Chef--Diana woke up and decided she wanted to make omelettes for a family breakfast. She found a recipe that uses 14 eggs for 4 omelettes.
a) What does the constant of proportionality mean in the context of the problem?
"The constant of proportionality means that for each... "
CFS
#1: Accurately computes and identifies constant of proportionality
b) If Diana wanted to make 30 omelettes for the homeroom, how many eggs would she need to buy? Explain how you know.
CFS
#2: Accurately uses constant of proportionality to extend pattern
Good work! You can work on the following...
Equations for Proportional Relationships
Graphing Proportional Relationships
HW Practice: