Vocabulary:
Proportional Relationship, Ratio, Constant of Proportionality, Unit Rate, Proportional, Non-proportional, Variable, Equation, Graph, Axis, Ordered pair, Reciprocal.
Relationship Table:
Example(Proportional):
5:2 , 10:4, 30:12, 2.5:1
The table is proportional because it can be multiplied or divided by 1/2.
Constant of Proportionality:
5:2 , 10:4, 30:12, 2.5:1
Using the same example, the number that can be multiplied to get the next pair of numbers the the CoP(Constant of Proportionality)
Using Equations:
The CoP can be written in an equation as y=1/2x.
Two Types of Relationships:
Two types of relationships are where you use a table, where there might be multiple CoPs.
Using Graph:
A proportional graph is usually straight, and a graph usually comes with an equation form of answer. Where you identify the bullet points and find the proportional relationship between the bullet points, or there might just be one, and that will probably be the answer.
Questions:
U: What do you understand in this unit?
A: How to identify and solve a proportional relationship question.
N: What new information did you learn in this unit?
A: How to use the equation form to represent the CoP (y=kx)
I: What was interesting in this unit?
A: The lemonade stamp, because you get to drink a lemonade you made yourself.
T: What was tricky for you in this unit?
A: To understand why this is the answer to the questions at the beginning of the unit.