Solve this problem
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Anticipatory set. Solve this problem. 2 + 5 x 3. Are there two right answers?. There is only one right answer because of the correct order of operations. The right answer is 17. Order of Operation. I can use order of operations to simplify numerical expressions. Essential Questions.

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Solve this problem

Anticipatory set

Solve this problem

  • 2 + 5 x 3


Are there two right answers

Are there two right answers?

  • There is only one right answer because of the correct order of operations.

  • The right answer is 17.


Order of operation

Order of Operation

  • I can use order of operations to simplify numerical expressions.


Essential questions

Essential Questions

  • What is the correct order of operations?

  • Why is it important to apply the correct order of operations when solving numerical expressions?


Pemdasd

PEMDASD

  • P Do all parentheses first

  • E Apply any exponents

  • MD Do all multiplication and division, working from left to right

  • AS Do all addition and subtraction, working from left to right

  • D or F Division Bar or Fraction Bar (Simplify Fractions)


Be careful

Be Careful

  • be careful to work Multiplication and division from left to right.

  • The right wayThe wrong way

  • 12 ÷ 3 x 212 ÷ 3 x 2

  • 4 x 212 ÷ 6

  • 82


  • Watch me

    Watch me!

    • 5 + 4 + 7 x 3

    • 5 + 4 + 21

    • 9 + 21

      30


    Watch me1

    Watch me!

    • 28 ÷ 4 - (4 + 3)

    • 28 ÷ 4 – 7

    • 7 - 7

      0


    Let s do some together

    Let’s do some together

    • 22 + 16 - 8

    • 4 + 16 - 8

    • 20 - 8

    • 12


    Let s do some together1

    Let’s do some together

    • (6 + 4)2 x 8

    • ( 10 )2 x 8

    • 100 x 8

    • 800


    Try it

    Try it

    • 6 + 7 x 8 =

    • 16 ÷ 8 - 2 =

    • (25 - 11) x 3 =

    • 9 x 4 - 6 ÷ 3 =

    • 16 ÷ 4 x 2 =

    • 2 x 9 ÷ 3 =

    • 9 + 6 x (8 - 5) =

    Bonus: 2 x (5 + 4) ÷ 32 - 1


    Closure

    Closure

    • Close your notes

    • Think about the correct order or operations

    • Write the correct order on your slate


    Order of operation1

    Order of Operation

    • I can use order of operations to simplify numerical expressions.


    Essential questions1

    Essential Questions

    • What is the correct order of operations?

    • Why is it important to apply the correct order of operations when solving numerical expressions?


    Pemdas

    PEMDAS

    • P Do all parentheses first

    • E Apply any exponents

    • MD Do all multiplication and division, working from left to right

    • AS Do all addition and subtraction, working from left to right

    • D Division Bar or Fraction Bar (Simplify Fractions)


    Be careful1

    Be Careful

    Be careful to work Multiplication and division from left to right.

    The right wayThe wrong way


    Watch me2

    Watch me!

    5 + 4 + 7 x 3


    Watch me3

    Watch me!

    • 28 ÷ 4 - (4 + 3)


    Let s do some together2

    Let’s do some together

    • 22 + 16 - 8


    Let s do some together3

    Let’s do some together

    (6 + 4)2 x 8


    Try it1

    Try it

    • 6 + 7 x 8 =

    • 16 ÷ 8 - 2 =

    • (25 - 11) x 3 =

    • 9 x 4 - 6 ÷ 3 =

    • 16 ÷ 4 x 2 =

    • 2 x 9 ÷ 3 =

    • 9 + 6 x (8 - 5) =

    Bonus: 2 x (5 + 4) ÷ 32 - 1


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