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21 st Century Lessons Evaluating Expressions The Order of Operations 1.

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Presentation on theme: "21 st Century Lessons Evaluating Expressions The Order of Operations 1."— Presentation transcript:

1 21 st Century Lessons Evaluating Expressions The Order of Operations 1

2 Warm Up/Do Now OBJECTIVE: SWBAT indentify and begin to follow the order of operations when evaluating expressions. Agenda 2 Evaluate: 1)2) 3)4) 5) Scaffolding

3 Warm Up/Do Now OBJECTIVE: SWBAT indentify and begin to follow the order of operations when evaluating expressions. Agenda 3 Evaluate: 1)2) 3)4) 5) Scaffolding

4 Agenda: 1) Warm Up 2) Launch 3) Explore 4) Practice 5) Assessment/Exit Slip 4 Marvins Trick- Independent Agenda The Four Students Problem- Partners Whole class Partners Independent OBJECTIVE: SWBAT indentify and begin to follow the order of operations when evaluating expressions. LANGUAGE OBJECTIVE: SWBAT to discuss and interpret why the order of operations are important and identify the words expression and evaluate. Independent Discussion- Lesson- Notes- Recourses for Your Notebook- Independent

5 Launch- Marvins Trick Agenda 5 has a challenge for you! Marvin the Amazing Math Magician Hey class, bet you cant make 75 with the numbers: But, you must use all 4 numbers only once. You can use any operation you like addition, subtraction, multiplication or division, more than once, and in any order you choose.

6 How did you make 75 with the 4 numbers? Launch- Marvins Trick Agenda

7 7 A way to make using Expression?????? This is a way to write the work you did as one math expression. Numbers and symbols grouped together that show the value of something. Launch- Marvins Trick Agenda

8 Explore- The Four Students Problem 8 Agenda Marvin challenged four students to evaluate this problem Your task with your partner is to determine how the students obtained their answer. Juan Melinda Shawn Students results Ashley Support your response with evidence, by listing the operations in the order in which the student did them. Your group is responsible for 2 or 4 students. Evaluate?

9 Explore- The Four Students Problem 9 Agenda Marvin challenged four students to evaluate this problem Evaluate: to calculate the value. Click to Return

10 10 Marvin challenged four students to evaluate this problem. Juan Melinda Shawn Click names Ashley Agenda Online Calculator All students and summary PC Users Next slide Discussion

11 11 Marvin challenged four students to evaluate this problem. Juan Melinda Shawn Click names Ashley Next slide All students Agenda Online Calculator summary Ashleys Work PC Version- Discussion Melindas Work Juans Work Shawns Work Melindas WorkAshleys Work Shawns Work Juans Work How can we test it?

12 12 Marvin challenged four students to evaluate this problem. Click names Ashleys Work Agenda Online Calculator Juan Melinda Shawn Ashley All students and summary Discussion

13 Melindas Work Marvin challenged four students to evaluate this problem. Click names Online Calculator Agenda Juan Melinda Shawn Ashley All students and summary Discussion

14 Marvin challenged four students to evaluate this problem. Click names Online Calculator Juans Work Agenda Juan Melinda Shawn Ashley All students and summary Discussion

15 15 Marvin challenged four students to evaluate this problem. Click names Agenda Online Calculator Shawns Work Juan Melinda Shawn Ashley All students and summary Discussion

16 16 Marvin challenged four students to evaluate this problem. Juan Melinda Shawn Click names Ashley Agenda Online Calculator All students and summary How can we test it? Melindas WorkAshleys Work Shawns Work Juans Work Discussion

17 Resources for Your Notebook 17 Agenda The Order of Operations 1) Think back to the warm up. Is there a problem that contained any symbol Shawn didnt use? 1) Parentheses or Grouping Symbols Click to open warm up. Shawns Work 2) Exponents 3) Multiplication/Division 4) Addition/Subtraction (Left to Right)

18 Warm Up/Do Now OBJECTIVE: SWBAT indentify and begin to follow the order of operations when evaluating expressions. Agenda 18 Evaluate: 1)2) 3)4) 5) Click to Return

19 19 Practice- Partners 1) 2) 20 ÷ (6 – 1) 3) – 54) ÷ 3 5) ÷ 2 – 16) x 6 ÷ 2 Directions: Using the Order of Operations, evaluate the following expressions. Agenda Lets do number 1 and 2 together!!

20 20 Directions: Using the Order of Operations, evaluate the following expressions. Practice Scaffolding 1) Agenda

21 21 Directions: Using the Order of Operations, evaluate the following expressions. Practice 2) Exponents 3) Multiplication/Division 4) Addition/Subtraction Parentheses or Grouping Symbols 1) Orders of Operations 1) Agenda

22 22 Directions: Using the Order of Operations, evaluate the following expressions. Practice 2) Agenda Scaffolding

23 23 Directions: Using the Order of Operations, evaluate the following expressions. Practice 2) Agenda 2) Exponents 3) Multiplication/Division 4) Addition/Subtraction Parentheses or Grouping Symbols 1) Orders of Operations

24 24 Practice 1) 2) 20 ÷ (6 – 1) 3) – 54) ÷ 3 5) ÷ 2 – 16) x 6 ÷ 2 Directions: Using the Order of Operations, evaluate the following expressions Agenda

25 Assessment/Exit Slip 25 Amy Evaluate : Who is correct? Agenda Jamal 3 14 Woops!! Amy added first


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