ALGEBRA 1

Please Excuse My Dear Aunt Sally

Wednesday, August 13th

• Assigned seating --- students are assigned to a seating chart every 9 weeks.

• Transitions --- each class will be timed and compared to other classes.

• Cooperative groups --- 1-2-3 (timed)• 1-stand 2-move 3-sit

• Working in groups --- 1-leader, 2-materials manager, 3-reporter, 4-recorder

• Getting out of cooperative groups --- 1-2-3 (timed)• 1-stand 2-move 3-sit

Cooperative Group Procedures

Cooperative Grouping

4 roles per group:1. Leader

2. Recorder

3. Reporter

4. Materials manager

• 1 piece of post-it graph paper• 4 colors

Materials:• Materials manager has 1 minute to get all materials

needed then return to the group.

1. One piece of post-it graph paper

2. 4 colors/marker

1st operation:

Leader divides paper into 4 equal rectangles.Each group member uses a different color & writes/draws

a REAL WORLD example of an event that must be done in a specific order

example taking a shower, baking a cake, etc…

2nd operation:

The leader and reporter from each group will share/discuss the group’s posters

What is the importance of the order of events?

• Use PEMDAS

• Order of Operations

• “Please Excuse My Dear Aunt Sally”

PEM DA S

arenthesis

xponents

ultiplication ivision

ddition ubtraction

• Use the Left-to-Right rule when there is a tie.

(Brackets and Fraction Bar too)

Left-to-Right Rule

= Always do the left operation first in event of a tie.

Step 1:

Step 2:

Step 3:

Step 4:Left-to-Right

Rule

Group GOAL:

You must come up with at least one Acronym for the order of operations, PEMDAS.

example People Eat McDonalds And Sonic

Bonus:Create 2 problems that cannot be done simply as written, but must truly be

evaluated by using order of operations.

This problem requires PEMDAS.

This problem can be done as seen.

(2+4 )2+5