Math ­ N&N ­ Order of Operations.notebook
October 06, 2014
Order of Operations
Learning goal: Apply the rules for order of operations
Brackets
Exponents
Division
Multiplication
Addition
Subtraction
Sep 17­11:59 AM
ACTIVATION
The answer to an equation is 34. Create a question involving multiplication and/or division, exponents, and addition and/or subtraction where the digits 4, 9 and 2 appear somewhere.
Sep 17­11:59 AM
1
Math ­ N&N ­ Order of Operations.notebook
October 06, 2014
Oct 1­8:48 AM
Oct 1­9:19 AM
2
Math ­ N&N ­ Order of Operations.notebook
October 06, 2014
Oct 1­9:08 AM
Sep 17­12:10 PM
3
Math ­ N&N ­ Order of Operations.notebook
MINDS‐ON
Ex 1)
October 06, 2014
Ex 2)
2 + 15 x 5
41 x 140 ­ 20 + 13 x 25
Ex 3)
Ex 4)
(2 + 8)2 + (3 x 6)
(2 x 32)2 + 15 x (3 + 9 x 2)2
Ex 5)
(6 x 6) + 8 4 ­ (42 + 4)
Sep 17­12:10 PM
CONSOLIDATION
Ex 1)
2 + 15 x 5
Ex 2)
41 x 140 ­ 20 + 13 x 25
Sep 17­12:10 PM
4
Math ­ N&N ­ Order of Operations.notebook
October 06, 2014
Ex 3)
(2 + 8) + (3 x 6)
2
Sep 17­12:10 PM
Ex 4)
(2 x 3 ) + 15 x (3 + 9 x 2)
2
2
(Brackets)
­ (Exponents)
2
Sep 17­12:10 PM
5
Math ­ N&N ­ Order of Operations.notebook
October 06, 2014
Ex 5)
(6 x 6) + 8 4 ­ (42 + 4)
Sep 17­12:10 PM
Exit Ticket
Explain which errors were made in the following expression. What should the answer be?
50 ­ 5 5 ­ 3 x 2 + 6
= 45 5 ­ 3 x 2 + 6
= 9 ­ 3 x 2 + 6
= 6 x 2 + 6
= 12 + 6
= 18
Determine whether the following calculation is correct. Show your work.
45 x 52 + 122 (100 + 322 ­ 539) = 1
Oct 6­7:49 AM
6