Page 137 - LZ-IM_FL_Grade 7_Print Sample

4.2 Activity: Feeding a Crowd, Revisited
Card 9 of 31
1. A recipe says that 2 cups of dry rice will serve 6 people. Complete
Teaching notes
the table as you answer the questions. Be prepared to explain your reasoning.
a. How many people will 1 cup of rice serve?
b. How many people will 3 cups of rice serve? 12 cups? 43 cups?
c. How many people will cups of rice serve?
cups of dry
rice
number of
people
1
Pacing: 10 minutes for entire activity
This entire activity spans 6 cards. This is card 2 of 6.
Launch
Tell students that this activity revisits a context they worked on in an earlier lesson.
Student response
1. a. 3 people since
b. 9 people. 36 people. 129 people. c. people.
Anticipated misconceptions
2
3
6
12
43
If students have trouble encapsulating the relationship with an expression, encourage them to draw diagrams or to verbalize the relationship in words.
Support for students with disabilities
Conceptual Processing: Manipulatives. Begin with real objects (i.e., real measuring cups), which will provide access for students who bene t from concrete contexts.