1. HOW does a bar diagram
help you solve a real-
world problem involving a
two-step equation?
Course 3, Inquiry Lab before Lesson 2-2
Expressions and Equations
3. Course 3, Inquiry Lab before Lesson 2-2
Activity
continued
Expressions and Equations
Miranda bought two large postcards and four small postcards at a
souvenir shop. Each small postcard costs $0.50. If Miranda spent
$5.00 on postcards, what is the cost of one large postcard?
The bar diagram represents the total number of postcards
and the total cost. Label the missing parts.
4. Course 3, Inquiry Lab before Lesson 2-2
Activity
continued
Expressions and Equations
Miranda bought two large postcards and four small postcards at a
souvenir shop. Each small postcard costs $0.50. If Miranda spent
$5.00 on postcards, what is the cost of one large postcard?
Fill in the boxes to write an equation that represents the
bar diagram. The cost of a large postcard is the
unknown, so it is represented by the variable p.
2p + =
5. Course 3, Inquiry Lab before Lesson 2-2
Expressions and Equations
Miranda bought two large postcards and four small postcards at a
souvenir shop. Each small postcard costs $0.50. If Miranda spent
$5.00 on postcards, what is the cost of one large postcard?
Find the cost of the large postcards by working backward.
The cost of one large postcard is __________________________.
6. Course 3, Inquiry Lab before Lesson 2-2
HOW does a bar diagram
help you solve a real-
world problem involving
a two-step equation?
Expressions and Equations