1. Topic 9
Lessons 9-8, 9-9, 9-10

2. POD
A group of 36 students goes on a school trip. Of all the students on the trip, 18 are in third grade. What is 18/36 in simplest form?
A. 1/3
B. 4/12
C. 8/24
D. 1/2

3. POD
A group of 36 students goes on a school trip. Of all the students on the trip, 18 are in third grade. What is 18/36 in simplest form?
A. 1/3
B. 4/12
C. 8/24
D. 1/2

4. How can you write a fraction as a decimal?
The word name for 3/10 is three tenths.
What would three tenths look like as a decimal?
0.3
So, 3/10 = 0.3

5. A fraction such as 3/10 can be shown by a model.

6. Think about money… You know that $0.13 means 13 cents.
What fraction of a dollar does this decimal represent?
If there are 100 cents in a dollar…
Then 13 cents is…
13/100 of a dollar

7. You try some
0.15 = 15/100
0.23 = ?
0.31 = ?
45/100 = 0.45
63/100 = ?
71/100 = ?

8. You try some
0.15 = 15/100
0.23 = 23/100
0.31 = 31/100
45/100 = 0.45
63/100 = 0.63
71/100 =
These are all hundredths

9. Now try these
4/10 = 0.4
6/10 = ?
2/10 = ?
0.9 = 9/10
0.7 = ?
1/10 = ?

10. Now try these 4/10 = 0.4 6/10 = 0.6 2/10 = 0.2 0.9 = 9/10 0.7 = 7/10
4/10 = 0.4
6/10 = 0.6
2/10 = 0.2
0.9 = 9/10
0.7 = 7/10
1/10 = 1/10
These are all what?
Tenths

11. Now add whole numbers 9 3/10 = 9.3 3 23/100 = 3.23 4 5/10 = ?
9 3/10 = 9.3
3 23/100 = 3.23
4 5/10 = ?
6 43/100 = ?

12. Now add whole numbers 9 3/10 = 9.3 3 23/100 = 3.23 4 5/10 = 4.5
9 3/10 = 9.3
3 23/100 = 3.23
4 5/10 = 4.5
6 43/100 = 6.43

13. Textbook page
Lets look at #1-4
On your own do #12-27

14. Thousandths What would 0.454 look like as a fraction?
Think about how you would say this number in word form…
Four hundred fifty-four thousandths
So…
454/1000

15. Try these
= 647/1000
= ?
= ?
142/1000 =
272/1000 = ?
943/1000 = ?

16. Try these
= 647/1000
= 342/1000
= 876/1000
142/1000 =
272/1000 =
943/1000 = 0.943

17. Textbook page 242
#1-8 together
Homework: page 242 #11-26

18. Quick check POD What is 94/1000 as a decimal?B C D
1. What is as a fraction?
9/1
9/10
9/100
9/1000
A kitten weighed kilograms when it was born.
What is as a fraction?
128/1000
128/100
128/10
128/1

19. Number line on the board

20. Fractions and decimals on a number line
Where do you think these two should go?
0.5 and 1/10
0.4 and 7/10
1/2
0.5 1
0.4
7/10
1/10

21. Workbook pages 157-158 Homework/class work: quick check 9-11
Or textbook pages #1-13
Homework/class work:
quick check 9-11

22. Tomorrow Review for TEST