Problem 2.2

LBR 2.2
October 25, 2016
Problem 2.2 - Modeling Multiplication Situations
Focus Question: What strategies can you use to multiply all
combinations of factors including whole numbers,
fractions, and mixed numbers?
LBR 2.2
October 25, 2016
LBR 2.2
October 25, 2016
A recipe for chocolate chip cookies makes 4 dozen
cookies and calls for the following ingredients:
- 1 1/2 cup butter
- 1 3/4 cup sugar
- 2 teaspoons vanilla
- 3 1/4 cup flour
- 1 teaspoon baking powder
- 1/4 teaspoon salt
- 8 ounces chocolate chips
a. How much of each ingredient is needed to make
2 1/2 recipes? Write a number sentence to support
your answer.
LBR 2.2
October 25, 2016
A recipe for chocolate chip cookies makes 4 dozen
cookies and calls for the following ingredients:
- 1 1/2 cup butter
- 1 3/4 cup sugar
- 2 teaspoons vanilla
- 3 1/4 cup flour
- 1 teaspoon baking powder
- 1/4 teaspoon salt
- 8 ounces chocolate chips
b. How much of each ingredient is needed to make
3/4 of a recipe? Write a number sentence to support
your answer.
LBR 2.2
October 25, 2016
Let's Be Rational
Investigation #2 Quiz
Thursday - 10/27
Homework #5 due
Monday 10/31