1 / 19

Transparency 1

Transparency 1. Click the mouse button or press the Space Bar to display the answers. Splash Screen. Example 1-4b. Objective. Read and write integers and find the absolute value of an integer. Example 1-4b. Vocabulary. Integer. Whole numbers that are positive, negative and zero

njoel
Download Presentation

Transparency 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. Transparency 1 Click the mouse button or press the Space Bar to display the answers.

  2. Splash Screen

  3. Example 1-4b Objective Read and write integers and find the absolute value of an integer

  4. Example 1-4b Vocabulary Integer Whole numbers that are positive, negative and zero { . . . -4, -3, -2, -1, 0, 1, 2, 3, 4, . . . }

  5. Example 1-4b Vocabulary Graph A point on a number line

  6. Example 1-4b Vocabulary Positive Integer Whole numbers that are greater than zero { 1, 2, 3, 4, . . . }

  7. Example 1-4b Vocabulary Negative Integer Whole numbers that are less than zero { . . . -4, -3, -2, -1 }

  8. Example 1-4b Vocabulary Absolute Value The distance the number is from zero on a number line | -5 | = 5

  9. Example 1-4b Math Symbols + 3 positive 3 -3 negative 3 | 3 | absolute value of 3

  10. Lesson 1 Contents Example 1Write Integers for Real-Life Situations Example 2Write Integers for Real-Life Situations Example 3Evaluate Expressions Example 4Evaluate Expressions

  11. Example 1-1a Write an integer for the following situation. The seasonal snowfall for Barrow, Alaska was 3 inches above normal. Write the number + 3 3 Determine the sign by looking for a direction word Above refers to positive Answer: + 3 1/4

  12. Example 1-1b Write an integer for the following situation. The average monthly temperature in Cleveland, Ohio for the month of January was 4 degrees below normal. Answer: –4 1/4

  13. Example 1-2a Write an integer for the following situation. The total rainfall this month is 2 inches below normal. Write the number - 2 2 Determine the sign by looking for a direction word Below refers to negative Answer: - 2 2/4

  14. Example 1-2b Write an integer for the following situation. The total snowfall this month was 5 inches above normal. Answer: + 5 2/4

  15. Evaluate the expression Example 1-3a Write the expression Absolute value means how far the number is from zero on the number line -5 is 5 units from zero Answer: 5 3/4

  16. Evaluate the expression Example 1-3b Answer: 9 3/4

  17. Evaluate the expression Example 1-4a Write the expression | -4 | - | -3 | Follow order of operations P E MD AS 4 4 - 3 4 - Absolute value symbols are enclosures Find  -4  1 Bring down - Find  -3  Answer: 1 Subtract 4/4

  18. Evaluate the expression Example 1-4b * Answer: 3 4/4

  19. End of Lesson 1 Assignment

More Related