Thursday, September 8 th

1. Thursday, September 8th Please write down homework and Complete warm-up Warm UP Evaluate when h=12 1. 7h 2. h-5

2. Joke of the Day Why did the computer get glasses? To improve its web sight

3. Reteach/Retest Reteach Monday, September 12th Retest Tuesday, September 13th

4. Algebra

5. Candy Toss Review Raise your hand when you have found the answer! Don’t blurt out or you will be disqualified

6. Evaluate when t=8 t + 9

7. Evaluate when v=3 10-v

8. Is this an arithmetic sequence and why? 211,209,207,205……

9. Write in standard 4

10. Write in exponential 3 x 5 x 3 x 3 x 5 x 5 x 5

11. Homework Answersp.2 Let’s try some together!!!!

12. Table of Contents • Date: 9/8 • Section: 2-2 • Title: Translating words to algebra • Pages: 3-4

13. On your whiteboards….. • divide your boards in four parts • in upper left: think of addition words • in upper right: think of subtraction words • In lower left: think of multiplication words • In lower right: think of division words

14. + Operation Numerical Expression Words Algebraic Expression Words Adding 37 + 28 • 28 added to 37 • 37 plus 28 • the sum of 37 and 28 • 28 more than 37 x+ 28 • 28 added to x • x plus 28 • the sum of x and 28 • 28 more thanx

15. subtracting  Operation Numerical Expression 90 — 12 • 12 subtracted from 90 • 90 minus 12 • the difference of 90 and 12 • 12 less than 90 • take away 12 from 90 Words Algebraic Expression k— 12 • 12 subtracted from k • 12minusk • the difference of k and 12 • take away 12 from k Words

16. Multiplying  Operation Numerical Expression 8  48 or 8  48 or (8)(48) or 8(48)or(8)48 • 8 times 48 • 48 multiplied by 8 • the product of 8 and 48 Words Algebraic Expression 8 wor(8)(w)or8w • 8 timesw • w multiplied by 8 • the product of 8 and w • 8 groups of of w Words

17. 327 3 n 3 Dividing  Operation 327 3 or Numerical Expression • 327 divided by 3 • the quotientof 327 and 3 Words n  3 or Algebraic Expression Words • ndivided by 3 • thequotient of n and 3

18. Write each phrase as a numerical or algebraic expression. A. 987 minus 12 987  12 B. x times 45 45 • x or 45x

19. y y 22 or 22 You Try! c. 42 less than 79 79  42 d. y divided by 22

20. WARNING “Less than” Is a tricky monster Whenever you see “less than” the first number will go second in your expression Example: 4 less than 9 9-4

21. Write two phrases for each expression. a. • 16 divided by b • the quotient of 16 and b B. (75)(32) • 75 times 32 • the product of 75 and 32

22. Word Problems Put together or combine Add Find how much more or less Subtract Put together groups of equal parts Multiply Separate into equal groups Divide

23. Lake Superior is the largest lake in North America. Let a stand for the area in square miles of Lake Superior. Lake Erie has an area of 9,910 square miles. Write an expression to show how much larger Lake Superior is than Lake Erie. To find how much larger, subtract the area of Lake Erie from the area of Lake Superior. a – 9,910 Lake Superior is a – 9,910 square miles larger than Lake Erie.

24. Let p represent the number of colored pencils in a box. If there are 26 boxes on the shelf, write an algebraic expression to represent the total number of pencils on the shelf. To put together 26 equal groups of p, multiply 26 times p. 26p, or26• p There are 26p pencils on the shelf.