IM 7.2.2 Lesson: Introducing Proportional Relationships with Tables
Here is a table that shows how many rolls of paper towels a store receives when they order different numbers of cases.
What do you notice about the table? What do you wonder?
A recipe says that 2 cups of dry rice will serve 6 people. Complete the table and answer the questions below.
How many people will 10 cups of rice serve?
How many cups of rice are needed to serve 45 people?
A recipe says that 6 spring rolls will serve 3 people. Complete the table.
A bakery uses 8 tablespoons of honey for every 10 cups of flour to make bread dough. Some days they bake bigger or smaller batches, but they always use the same ratio of honey to flour. Complete the table and answer the questions.
How many cups of flour do they use with 20 tablespoons of honey?
How many cups of flour do they use with 13 tablespoons of honey?
How many tablespoons of honey do they use with 20 cups of flour?
What is the proportional relationship represented by this table?
4 quarters are equal in value to 10 dimes. Complete the table and answer the questions below.
How many dimes equal the value of 6 quarters?
How many dimes equal the value of 14 quarters?
What value belongs next to the 1 in the table? What does it mean in this context?
Pennies made before 1982 are 95% copper and weigh about 3.11 grams each. (Pennies made after that date are primarily made of zinc). Some people claim that the value of the copper in one of these pennies is greater than the face value of the penny. Find out how much copper is worth right now, and decide if this claim is true.