1. Going for the Gold with Decimals Chapter 1 Lesson 7 Compare Decimals

2. Pre-Skills Review
Compare these decimals to the hundredths using the symbols <, >, and =.
4.2 ___ 4.20
5.65 ___ 5.56
2.01 ___ 2.10

3. Essential Question:
How does place value help us compare decimals to the thousandths?

4. I Can….. Understand the value of decimal numbers.
Use a number line to compare decimals.

5. Key Terms
Place Value- the value given to a digit by its position in a number.
Decimal- a number that has a digit in the tenths place, hundredths place, and/or beyond.
Decimal point- a point between a whole number and a decimal fraction.
Equivalent decimals- decimals that have the same value.

6. Mini Lesson
You are an Olympic coach for Sanya Richards- Ross. You need to compare Sanya’s fastest sprint times with the other Olympians.
Your Challenge: Find out how Sanya’s time compares to the times of the other Olympians. What place does Sanya come in?

7. Mini Lesson
Sanya ran four practice runs to prepare for the Olympics. Her times were: ; ; ;
Plot each number on the number line below: 48 50 49
When using the number line prompt students to add zeros to the hundredths and thousandths places. These will help students be able to compare the numbers and to see if that the zeros have to no value.
Compare the following decimals using <, >, or =.
_____
_____
_____

8. Mini Lesson
Sanya ran her 400 meter race in seconds. She raced four other sprinters for the gold. Their times are below:
Name
Time
Allyson Felix
48.532
Diamond Dixon
48.701
Elizabeth Beisel
48.3
La’Shinda Demus
48.232
Compare all sprinters run time to Sanya’s to find who wins gold.

9. Name Name Name Name k So with this template:
The Hands-On Activities= Teacher Group
At Your Seat= Independent Work
Math Facts= Fluency
Teacher Choice= Station D
Name
Name
Name
Name k

11. Sharing Time
How does the number line help you compare decimals?

12. Babe Ruth’s batting average was 0.315 in 1922 and 0.301 in 1933.
Exit Ticket
Babe Ruth’s batting average was in and in 1933.
Use a number line to compare both batting averages. Then write a number sentence using the symbols <, >, =.