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BELL WORK!

BELL WORK!. Answer35. 1. 7(14 – 9) 2. 3. 175 ÷. Answer7. Answer35. Order of Operations with exponents. Location of Exponent. An exponent is a little number high and to the right of a base number. Exponent. 3. 4. Base. What an Exponent Represents.

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BELL WORK!

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  1. BELL WORK! Answer35 • 1. 7(14 – 9) • 2. • 3. 175 ÷ Answer7 Answer35

  2. Order of Operations with exponents

  3. Location of Exponent • An exponent is a little number high and to the right of a base number. Exponent 3 4 Base

  4. What an Exponent Represents • An exponent tells how many times a number is multiplied by itself. 4 = 3 x 3 x 3 x 3 3

  5. How to read an Exponent • This exponent is read three to the fourth power. Exponent 3 4 Base

  6. How to read an Exponent • This exponent is read three to the 2nd power or three squared. Exponent 3 2 Base

  7. How to read an Exponent • This exponent is read three to the 3rd power or three cubed. Exponent 3 3 Base

  8. Read These Exponents 9 2 6 7 2 3 5 4

  9. What is the Exponent? 3 2 x 2 x 2 = 2

  10. What is the Exponent? 4 5 x 5 x 5 x 5 = 5

  11. How to Multiply Out an Exponent 4 3 = 3 x 3 x 3 x 3 9 27 81

  12. You Try: 3 5 125 =

  13. Let’s Try Some  Problems!

  14. PEMDAS 3 (9+1) + 62 3(10)+62 3(10)+36 30+36 66

  15. PEMDAS 3+23- (9+1) 3+23- 10 3+8-10 11-10 1

  16. PEMDAS 4+ 10 x 23 -16 4+10 x 8 -16 4+ 80 -16 84-16 68

  17. PEMDAS 21 + 102 10 21+10010 21 + 10 31

  18. PEMDAS 10+72-2 x 5 10+49–2 x 5 10+49- 10 59 - 10 49

  19. Challenge!!20 - 3 • 6 + 102 + (6 + 1) • 4 = 20 - 3 • 6 + 102 + (7) • 4 (parentheses) = 20 - 3 • 6 + 100 + (7) • 4 (exponents) = 20 - 18 + 100 + (7) • 4 (Multiply l/r.) = 20 - 18 + 100 + 28 (Multiply l/r.) = 2 + 100 + 28 (Subtract l/r.) = 102 + 28 (Add l/r.) =130 (Add.)

  20. Skills Check! When you finish turn your paper over and put it in the corner of your desk. Silent read, work on other homework or practice more problems. No talking. Practice: Blue Book Pages 20-21 #’s 1-23

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