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Order of Operations

Order of Operations. Rules ( ) Exponents *Multiply and/or divide in order from left to right *Add and/or subtract in order from left to right. Order of Operations. Rules: ( ) Exponents Multiply and/or divide in order from left to right Add and/or subtract from left to right

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Order of Operations

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  1. Order of Operations Rules ( ) Exponents *Multiply and/or divide in order from left to right *Add and/or subtract in order from left to right.

  2. Order of Operations • Rules: • ( ) • Exponents • Multiply and/or divide in order from left to right • Add and/or subtract from left to right • Please learn these rules!!!!!!!!

  3. Points to Remember • Only addition and subtraction- work straight across • Only multiplication and division – work straight across • All mixed up- must follow rules

  4. Examples Find the value of each expression: 15+7-3 3+6x4-2 14÷7+12x3-9

  5. Examples 15+7-3 15+7-3=22-3 add 7 to 15

  6. Examples 15+7-3 15+7-3=22-3 add 7 to 15 =19 subtract 3 from 22

  7. Examples 3+6x4-2 3+6x4-2=3+24-2 multiply 6 and 4

  8. Examples 3+6x4-2 3+6x4-2=3+24-2 multiply 6 and 4 =27-2 add 3 and 24

  9. Examples 3+6x4-2 3+6x4-2=3+24-2 multiply 6 and 4 =27-2 add 3 and 24 =25 subtract 2 from 27

  10. 14÷7+12x3-9 14÷7+12x3-9=2+12x3-9 divide 14 by 7

  11. 14÷7+12x3-9 14÷7+12x3-9=2+12x3-9 divide 14 by 7 = 2+36-9 multiply 12 & 3

  12. 14÷7+12x3-9 14÷7+12x3-9=2+12x3-9 divide 14 by 7 = 2+36-9 multiply 12 & 3 =38-9 add 2 and 36

  13. 14÷7+12x3-9 14÷7+12x3-9=2+12x3-9 divide 14 by 7 = 2+36-9 multiply 12 & 3 =38-9 add 2 and 36 =29 subtract 9 from 38

  14. Write an expression for the cost of adopting 1 Pygmy hippopotamus, 4 fishing cats, and 3 tapirs. • Find the cost of adopting the animals.

  15. Write an expression for the cost of adopting 1 Pygmy hippopotamus, 4 fishing cats, and 3 tapirs. Cost for cost for cost for 1 hippo plus 4 cats plus 3 tapirs 1x$100 + 4x$50 + 3x$100

  16. Find the cost of adopting the animals. 1x$100+4x$50+3x$100=$100+4x$50+3x$100

  17. Find the cost of adopting the animals. 1x$100+4x$50+3x$100=$100+4x$50+3x$100 =$100+$200+3x$100

  18. Find the cost of adopting the animals. 1x$100+4x$50+3x$100=$100+4x$50+3x$100 =$100+$200+3x$100 =$100+$200+$300

  19. Find the cost of adopting the animals. 1x$100+4x$50+3x$100=$100+4x$50+3x$100 =$100+$200+3x$100 =$100+$200+$300 =$600 The cost of adopting the animals is $600.

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