Lesson 17
Let’s Make a Dollar
Lesson Purpose
Lesson Narrative
In previous lessons, students learned the values of quarters, dimes, nickels, and pennies. They used strategies for adding within 100 to find the total value of a set of coins and found different combinations of coins that have the same value.
In this lesson, students find different combinations of coins that have a value of 100 cents. They learn that a dollar has the same value as 100 cents. Thinking about 1 dollar and 100 cents as the same amount connects to students understanding that a hundred is the same as 10 tens or 100 ones. They can use this understanding to support making a dollar out of dimes and other coin denominations.
Students count groups of coins that have a value that is more than 100 cents. Students may count coins to make 100 cents, and then count the value of the coins that are left over. Students record the value of the coins as “1 dollar and _____ cents.” In grade 2, students will not write dollars and cents using decimal notation, as this notation is reserved for their study of decimals and fractions in grade 4 and beyond.
 Engagement
 MLR8
Learning Goals
Teacher Facing
 Find combinations of coins that have a value of 100 cents.
 Understand that a dollar has the same value as 100 cents.
Student Facing
 Let’s make a dollar.
Required Preparation
Activity 1:
 Display the money poster where students can see it to check coin values.
Activity 2:
 Add a dollar bill to the money poster showing the front and back to display in the launch.
Lesson Timeline
Warmup  10 min 
Activity 1  15 min 
Activity 2  20 min 
Lesson Synthesis  10 min 
Cooldown  5 min 
Teacher Reflection Questions
Suggested Centers
 Picture Books (K–5), Stage 3: Find Shapes (Addressing)
 Which One? (K–5), Stage 3: Grade 2 Shapes (Addressing)
 How Are They the Same? (1–5), Stage 2: Grade 2 Shapes (Addressing)
Print Formatted Materials
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Additional Resources
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