Dashboard | Teachers Pay Teachers

Introducing Number Sentences and Solving for X

Grade Levels
7th, 8th, 9th
Product Rating
Not yet rated
File Type
Word Document File
Be sure that you have an application to open this file type before downloading and/or purchasing.
0.03 MB   |   6 pages including answers pages

PRODUCT DESCRIPTION

This lesson explains how to use a variable to solve for a missing number in an equation involving a single operation, how to choose the operation needed to solve for the variable in a one-step equation, and how to match a realistic situation to an equation, expression, inequality, table, or graph and solve for a missing variable. An optional hands-on activity that explains the number sentence is also included.

EXAMPLE:

...a presentation with 3 speakers who each speak 10 minutes equals the 30 minutes allotted. So, we know that we are starting with a balanced equation:

3 speakers • 10 minutes = 30 minutes

With only 2 speakers, the number of minutes that each speaker uses must change but still equal 30 minutes. So, we change the number of minutes to a variable (since this is the part of the equation that must change) and we change 3 speakers to 2 speakers.

2 speakers • N minutes = 30 minutes

To isolate N, we need to ...
Total Pages
6 pages including answers
Answer Key
Included
Teaching Duration
N/A

Average Ratings

N/A
Overall Quality:
N/A
Accuracy:
N/A
Practicality:
N/A
Thoroughness:
N/A
Creativity:
N/A
Clarity:
N/A
Total:
0 ratings
COMMENTS AND RATINGS:
Please log in to post a question.
PRODUCT QUESTIONS AND ANSWERS:
$2.00
Digital Download
ADD ONE TO CART
User Rating: 3.9/4.0
 (58 Followers)
$2.00
Digital Download
ADD ONE TO CART
Introducing Number Sentences and Solving for X
Teachers Pay Teachers

Teachers Pay Teachers is an online marketplace where teachers buy and sell original educational materials.

Learn More

Keep in Touch!

Sign up