

Writing and Evaluating Numerical Expressions
Presentation
•
Mathematics
•
6th Grade
•
Hard
Joseph Anderson
FREE Resource
12 Slides • 4 Questions
1
Lesson 3-3 Write and Evaluate Numerical Expressions

2
Warm-Up
How would you write 4x4x4 with an exponent?
When I say "waterfall", we will put our answers in the chat.
3
Today's Objective:
We will evaluate expressions using the order of operations and insert grouping symbols in a numerical expression to affect the value of the expression.
4
Solve & Discuss It: Think Abouts While Working
What are you asked to do? What information will you use?
What do you need to do to find the total amount of fees charged for overweight and oversized bags?
How could you write an expression to find the total fee for all of the bags?
5
Example 1: Follow Along With The Video
If there were no parentheses inside the brackets, would the value of this expression change?
What keys on a calculator can be used to evaluate powers?
In the calculator steps, why is the product 16 divided by 2?
6
Try It!
Evaluate the numerical expression at the right.
What operation should you do first?
What operation is indicated when there is no operation symbol between a number and the first parenthesis?
7
Example 2 - Page 133
Take a look at the numerical expression. What operation should we do first?
Let's work through together!
8
Example 2
How did we do?
9
Poll
How are we feeling about the lesson so far?
I totally get it!
Kinda!
Not even close!
10
Example 3 - Follow Along With The Video!
Why doesn't putting parentheses around (40-7) change the value of the expression?
Why does putting parentheses around 7+33 change the value of the expression?
11
Try It!
Evaluate the numerical expression.
Which operation will you do first?
12
Evaluate the Expression
13
Multiple Select
Which answer did you get?
18.6
28.6
42
None of these
14
Complete the following questions independently:
Page 134 #'s 6-9
15
Open Ended
Evaluate and submit your answer:
12 x (32+36)
16
Poll
Tomorrow we will practice more, but how are you feeling now?
I have it mastered!
I have it down a little!
I'm still lost!
Lesson 3-3 Write and Evaluate Numerical Expressions

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