order of operations with whole numbers

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Slide1:

Order of Operations [ 3 ( ) ] 2

4 + 10( 23 ) - 16:

4 + 10( 2 3 ) - 16 ? ? Exponent 2 3 Multiplication ( ) Addition + Subtraction -

Please Excuse My Dear Aunt Sally:

Addition and Subtraction From Left to Right Multiplication and Division From Left to Right P lease E xcuse M y D ear A unt S ally P E M D A S Parentheses ( ) or [ ] Exponents 4 3

PEMDAS:

PEMDAS 4 + 5( 6-2 ) 4 + 5( 4 ) 4 + 20 24

PEMDAS:

PEMDAS 3( 9+1 ) + 6 2 3( 10 )+6 2 3(10)+ 36 30 +36 66

PEMDAS:

PEMDAS 3 + 2 3 - (9+1) 3 + 2 3 - 10 3 + 8 - 10 11 - 10 1 Look on the worksheet!

PEMDAS:

PEMDAS 4 + 10( 2 3 ) - 16 4 + 10( 8 ) - 16 4 + 80 - 16 84 - 16 68

PEMDAS:

PEMDAS 5 + 2[8 - (6-3)] 5+ 10 5 + 2[8 - 3 ] 5 + 2( 5 ) 15

PEMDAS:

PEMDAS 8 - 12 ÷ 4  2 + 5 - 3 8 - 3  2 + 5 - 3 8 - 6 + 5 - 3 2 + 5 - 3 7 -3 4

Slide10:

Now you try!

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