1. Warm Up What number is half-way between 0.7 and 0.8?
What number if half-way between and 0.008?

2. Unit 3, Lesson 2 Equate and Compare

3. usually used in combination
Equal
Inequality
Equality
Exactly the same amount or value
Condition of being
Not ; opposite of
Equivalent
Recommendations
You can make any necessary changes to the ppt to meet the specific needs of your students
Preview in presentation mode prior to using in your teaching– there is a lot animation!
Teacher Edition: p
Miscellaneous Notes:
The slide with animation builds a scaffold from equal, equality, inequality to equivalent.
Can be used as teachers see fit in accordance with their delivery of the lesson
Equi-
-valent
equal or equally
usually used in combination

4. Visualize Decimal Equivalents
Equivalent Decimals
0.6 = 0.60 = 0.600

5. Are they equivalent decimals?
0.60
0.6
Turn and Talk
Are they equivalent decimals?
“Yes, 0.60 and 0.6 are equivalent decimals because ___________.”
.60 and 0.6
Recommendations
You can make any necessary changes to the ppt to meet the specific needs of your students
Preview in presentation mode prior to using in your teaching– there is a lot animation!
Teacher Edition: p .188
Miscellaneous Notes:
Visualize Decimal Equivalents on TE p. 188
Turn and talk with a partner responding using the sentence frames that appear depending on how students respond to the question “Are they equivalent decimals?”
If needed the two graphs can be shown to help students see that both decimals are equivalent ; that is the last click on this slide
“No, 0.60 and 0.6 are not equivalent decimals because ___________.”

6. tenths > hundredths hundredths > thousandths
Place Value
tenths
ones > tenths
hundredths
tenths > hundredths
thousandths
hundredths > thousandths
ones
Recommendations
You can make any necessary changes to the ppt to meet the specific needs of your students
Preview in presentation mode prior to using in your teaching– there is a lot animation!
Teacher Edition: p .189
Miscellaneous Notes:
Animation goes along with “Teaching Note: Watch For!” on TE p.189

7. Math Boards
Position your math board so the long bar divided into 100 equal parts is at the top.
This bar represents one whole!
Label one end 0 and the other end 1.0.
Label each heavy tick mark by tenths.

8. Math Boards (con’t)
One your bar, you have little ticks between each tenth. What number do these ticks represent?
Write the number of hundredths under each number of tenths.
Example: 0.1 = 0.10

9. Math Boards (con’t)
Suppose the bar is divided into thousandths. Name the number of thousandths there would be from zero to the one-tenth mark.
Write the number of thousandths under each hundredth.
Example: = 0.100

10. Let’s Practice…
Turn to page 44 in your Activity Book.
Complete

11. Decimal Secret-Code Cards
Turn to page 45 in your Activity Book
Cut along the dotted line on the front of the Decimal Secret-Code Cards to make tenths, hundredths and thousandths cards
Keep all your tenths cards together, all your hundredths cards together, etc. (Place in separate zip lock bags)
Do you notice any patterns that can be seen on the backs of the cards?
The tenths show dimes
The hundredths show pennies
The thousandths show tenths of pennies

12. Modeling Decimal Numbers
Find these three cards!!
0.2
0.06
0.008
Tenths card
Hundredths card
Thousandths card
Place the on top of each other to display the number in standard form.
0.268
Assembled card

13. Inequality Signs > <
Describe the meaning of the following symbols:
>
<
Examples using symbols:
15 > 12
12 < 15
Remember: BIG mouth eats BIG number!!!

14. 0.6 or 0.28 Equivalent Decimals Which number is greater???
How could we make 0.6 and 0.28 have the same number of decimal places?
Write 0 to the right of 0.6 = 0.60
Would writing a zero to the right of 0.6 change the value of 0.6?

15. Decimal Secret Cards 0.3 0.03 0.003 Find the following cards
Using the cards and the < and > signs, arrange all possible comparisons of the three decimal numbers
One possible comparison:
0.3 > 0.03
To check your work, use the backs of the cards and think about the values of the dimes, pennies, and tenths of pennies.

16. Watch Out!!!
Fill in the circles with the correct inequality sign: < or >.
but
17 > 9 but 0.17 < 0.9
but
73 <138 but 0.73 > 0.138
but
456 > 8 but < 0.8

17. Note: Keep your Decimal Cards. We will use these tomorrow!
Hard Back Book page 86
Note: Keep your Decimal Cards.
We will use these tomorrow!

18. Homework
Homework and Remembering page 49