1 / 22

Topic 9

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

teva
Download Presentation

Topic 9

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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. 3/10

  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 = 0.71 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 • 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 = ? • 6 43/100 = ?

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

  13. Textbook page 238-239 • 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 • 0.647 = 647/1000 • 0.342 = ? • 0.876 = ? • 142/1000 = 0.142 • 272/1000 = ? • 943/1000 = ?

  16. Try these • 0.647 = 647/1000 • 0.342 = 342/1000 • 0.876 = 876/1000 • 142/1000 = 0.142 • 272/1000 = 0.272 • 943/1000 = 0.943

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

  18. POD Quick check • What is 94/1000 as a decimal? • A. 0.904 • B. 0.094 • C. 0.0904 • D. 0.0094 • 1. What is 0.008 as a fraction? • 9/1 • 9/10 • 9/100 • 9/1000 • A kitten weighed 0.128 kilograms when it was born. • What is 0.128 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 0.5 1 0.4 7/10 1/10

  21. Workbook pages 157-158 • Or textbook pages 244-245 #1-13 • Homework/class work: • quick check 9-11

  22. Tomorrow Review for TEST

More Related