
7th Grade Math: Adding and Subtracting Rational Expressions

Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Hard
+4
Standards-aligned

Lucas Foster
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a calculator in the problems discussed in the video?
To ensure accuracy in complex calculations
All of the above
To reduce the time spent on solving
To handle large numbers easily
Tags
CCSS.8.EE.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a book is purchased for $15 and marked up by 40%, what is the new selling price?
$22
$18
$21
$20
Tags
CCSS.6.RP.A.3C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a markup affect the original price of an item?
Decreases the price
Does not change the price
Increases the price
None of the above
Tags
CCSS.6.RP.A.3D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to check if the calculated selling price makes sense in real-world scenarios?
To teach the importance of verification
To apply the concept in practical situations
To ensure the calculation is correct
All of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final price of a book originally priced at $38 after a 25% discount and 6% sales tax?
$30.21
$35.00
$32.50
$28.50
Tags
CCSS.6.RP.A.3C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct sequence of operations for applying a discount and then a sales tax?
Add tax, then subtract discount
Subtract discount, then add tax
Add both discount and tax
Subtract both discount and tax
Tags
CCSS.7.EE.B.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the importance of converting percentages to decimals in calculations involving discounts and taxes?
All of the above
It increases the accuracy of the results
It is required by mathematical rules
It simplifies the multiplication process
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