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MATHEMATICS OBJECTIVE
Students will be able to:
explain whether a situation represents a proportional relationship.
use representations to find entry points into problems.
ESSENTIAL UNDERSTANDING
By recognizing proportional quantities, you can use what you know about proportional relationships to solve problems.
I can explain whether a situation represents a proportional relationship.
I can use representations to find entry points into problems.
Accessible text
Think about how two quantities are related before you decide to use proportional reasoning to solve a problem.
When Evie is 2 years old, Josh is 6 years old.
Josh is 4 years older than Evie.
Josh is 3 times as old as Evie.
In 2 years:
When Evie is 4 years old, Josh is 8 years old.
Josh is still 4 years older than Evie.
Josh is now 2 times as old as Evie.
You cannot use proportional reasoning to solve this problem because Josh's age is not a constant multiple of Evie's age.
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