1 / 10

Section 2.1

Chapter 2. Section 2.1. Exercise #9. List the factors of the following number. 64. 8 x 8 = 64. 4 x 16 = 64. 2 x 32 = 64. 1 x 64 = 64. 1 ,. 2 ,. 4 ,. 8. , 16 ,. 32 ,. and 64. are all the factors of 64. Chapter 2. Section 2.1. Exercise #13. . .

tiana
Download Presentation

Section 2.1

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. Chapter 2 Section 2.1 Exercise #9

  2. List the factors of the following number. 64 8 x 8 = 64 4 x 16 = 64 2 x 32 = 64 1 x 64 = 64 1, 2, 4, 8 , 16, 32, and 64 are all the factors of 64.

  3. Chapter 2 Section 2.1 Exercise #13

  4.  Which of the given numbers are prime? 0, 1, 15, 19, 23, 31, 49, 55, 59, 87, 91, 97, 103, 105 55 0  59 1  87 15    91  19 97 23   103 31   49 105  

  5. Chapter 2 Section 2.1 Exercise #17

  6. Which of the given numbers are divisible by 2? 45, 72, 158, 260, 378, 569, 570, 585, 3541, 4530, 8300 A number is divisible by 2 if its last digit is 0, 2, 4, 6, or 8. 45  570  72  585  158  3541  260  4530  378  8300  569 

  7. Chapter 2 Section 2.1 Exercise #19

  8. Which of the given numbers are divisible by 6? 45, 72, 158, 260, 378, 569, 570, 585, 3541, 4530, 8300 A number is divisible by 6 if it is an even number and the sum of the digits is divisible by 3. 45  570  5 + 7 + 0 = 12 72  7 + 2 = 9 585  158  1 + 5 + 8 = 14 3541  260  2 + 6 + 0 = 8 4530  4 + 5 + 3 + 0 = 12 378  3 + 7 + 8 = 18 8300  8 + 3 + 0 + 0 = 11 569 

  9. Chapter 2 Section 2.1 Exercise #21

  10. A school auditorium is to have 350 seats. The principal wants to arrange them in rows with the same number of seats in each row. Use the divisibility test to determine if it is possible to have rows of 10 seats each. Are 15 rows of seats possible? 350 is divisible by 10. 350 is not divisible by 15.

More Related