What activity did the class start with in the lesson on rational expressions?

Rational Expressions and Sales Tax

Interactive Video
•
Mathematics
•
6th - 7th Grade
•
Hard

Thomas White
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A video presentation
A group discussion
A tic-tac-toe game
A math puzzle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property is used to rearrange expressions like 2x + 2 * (x - 6)?
Distributive Property
Commutative Property
Associative Property
Identity Property
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a 20% discount on a $100 item be represented?
Multiply by 0.80
Multiply by 0.20
Subtract 20
Add 20
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expression for the new price after a 20% discount on an item?
Original price / 0.80
Original price * 0.80
Original price + 0.20 * Original price
Original price - 0.20 * Original price
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you express a 33% discount using a variable X for the original price?
X * 0.67
X + 0.33X
X - 0.33X
X / 0.67
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an item's price increases by 33% instead of decreasing, how would the expression change?
X + 0.33X
X - 0.33X
X / 0.67
X * 0.67
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sales tax rate applied in the example with an original price of $150?
12%
5%
8%
10%
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