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MPs

Applied MP

* Embedded MP

Evaluate Expressions Using

the Order of Operations

Procedural Lesson

Grade 6 · Unit 4 · Lesson 11

MC: 6.EE.1

1 2 3 4 5 6 7 8

*



* *



 *

Steps:

1. Grouping Symbols

2. Exponents

3. Multiply/Divide from left to right

4. Add/Subtract from left to right



Problem of the Day

Objective:

Vocabulary Notes

Order of Operations:

Grouping Symbols ( ) [ ] { }

Exponents b

2

Multiply × or Divide ÷

(left to right)

Add + or Subtract –

(left to right)

Exponent: a number that indicates how

many times a number (base) is multiplied

by itself

Multiplication formats:

3 × 2 3 • 2 3(2) 3

n

Expression: numbers, symbols and

operations grouped together with no equal

sign to represent a value.

Structured Guided Practice

(A / B Partners Practice)

Directions: Evaluate the expression.

1. (9 + 7) ÷ 2(4 – 2)

2. (9 ÷ 3)

2

• 3

2



MP6: What mathematical notations are important in this problem?



MP8: What are the steps to solving a mathematical expression?

Final Check for Understanding

(Teacher Checks Work)

Directions: Evaluate the expression.

1. 4

2

+ 2(17 – 15)

2. (2

3

+ 4) – 4 × 3

Name: ____________________________

Date: ______________________________

1. (17 + 8) ÷ (3 + 2)

2

2. 4 × 3

3

+ 9

3. (2

5

+ 7) – 2(17 – 2)

Student Practice

Unit 4 Lesson 11: Evaluate Expressions Using

the Order of Operations

Directions: Evaluate the expression.

4. (2 + 7) • 5

2

5. 3(8 – 5) + (9 × 6)

6. (4 + 7) + (2 + 2)

2

Student Practice

Unit 4 Lesson 11: Evaluate Expressions Using

the Order of Operations

1. Kara completed the problem below. Her steps are also shown. Explain

her error. What is the correct answer?

26 – (2 + 3)

2

26 – 2 + 9

26 – 11

15

2. Write the parentheses in the correct place to make the number sentence

true.

64 ÷ 8 – 2 = 6

Extension Activity

*

MP4: How can you relate this to something in real life?

Create an expression using the Order of Operations with and without

parentheses. Have your partner solve each expression. Then, explain

why the same numbers in an expression could result in different

answers.

Challenge Problems

Directions: Read and solve each problem.

Closure

Recap today’s lesson with one or more of the following questions:

MP6: What mathematical notations are important in this problem?

MP8: What are the steps to solving a mathematical expression?

Reaching Consensus

*MP3: Do you agree/disagree with what said?

Student Presentations

*MP6: How do you know your answers are correct/reasonable?

Notes

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