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Vocabulary numerical expression - a mathematical sentence consisting of numbers and operations

Vocabulary numerical expression - a mathematical sentence consisting of numbers and operations evaluate - to find the value of an expression with one or more operations order of operations – a set of rules for evaluating an expression with one or more operations. Vocabulary

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Vocabulary numerical expression - a mathematical sentence consisting of numbers and operations

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  1. Vocabulary numerical expression- a mathematical sentence consisting of numbers and operations evaluate- to find the value of an expression with one or more operations order of operations– a set of rules for evaluating an expression with one or more operations

  2. Vocabulary variable- a symbol (like x or y) that is used in mathematical expressions to represent an unknown quantity variable expression- a mathematical sentence consisting of numbers, variables and operations

  3. Still UsingPEMDAS Ex: 1 evaluate the expression when x = 8 7x + 15

  4. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8 7x + 15 substitute

  5. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8. 7x + 15 substitute 7(8) + 15

  6. Still UsingPEMDAS Ex: 2aevaluate the expression when x = 8 and y = 2. 7x + 15 substitute 7(8) + 15 multiply

  7. Still UsingPEMDAS Ex: 2aevaluate the expression when x = 8 and y = 2. 7x + 15 substitute 7(8) + 15 multiply 56 + 15

  8. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8 and y = 2. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add

  9. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8 and y = 2. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add 71

  10. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add 71 Ex: 2evaluate the expression when x = 4 and y = 2.

  11. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add 71 Ex: 2evaluate the expression when x = 4 and y = 2. x ·(y + 3)

  12. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add 71 Ex: 2evaluate the expression when x = 4 and y = 2. x ·(y + 3)substitute

  13. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add 71 Ex: 2evaluate the expression when x = 4 and y = 2. x · (y + 3)substitute 4 · (2 + 3)

  14. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add 71 Ex: 2evaluate the expression when x = 4 and y = 2. x · (y + 3)substitute 4 · (2 + 3) p(add)

  15. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add 71 Ex: 2evaluate the expression when x = 4 and y = 2. x · (y + 3)substitute 4 · (2 + 3) p(add) 4 · 5

  16. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add 71 Ex: 2evaluate the expression when x = 4 and y = 2. x · (y + 3)substitute 4 · (2 + 3) p(add) 4 · 5 multiply

  17. Still UsingPEMDAS Ex: 1evaluate the expression when x = 8. 7x + 15 substitute 7(8) + 15 multiply 56 + 15 add 71 Ex: 2evaluate the expression when x = 4 and y = 2. x · (y + 3)substitute 4 · (2 + 3) p(add) 4 · 5 multiply 20

  18. Still UsingPEMDAS Ex: 3evaluate the expression when x = 4 and y = 9.

  19. Still UsingPEMDAS Ex: 3evaluate the expression when x =12 and y = 4

  20. Still UsingPEMDAS Ex: 3evaluate the expression when x =12 and y = 4 substitute

  21. Still UsingPEMDAS Ex: 3evaluate the expression when x =12 and y = 4 substitute

  22. Still UsingPEMDAS Ex: 3evaluate the expression when x =12 and y = 4 substitute add

  23. Still UsingPEMDAS Ex: 3evaluate the expression when x =12 and y = 4 substitute add

  24. Still UsingPEMDAS Ex: 3evaluate the expression when x =12 and y = 4 substitute add multiply

  25. Still UsingPEMDAS Ex: 3evaluate the expression when x =12 and y = 4 substitute add multiply

  26. Still UsingPEMDAS Ex: 3evaluate the expression when x =12 and y = 4 substitute add multiply divide

  27. Still UsingPEMDAS Ex: 3evaluate the expression when x =12 and y = 4 substitute add multiply divide

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