IM 7.4.6 Lesson: Increasing and Decreasing
Here are the scores from 3 different sports teams from their last 2 games.
What do you notice about the teams’ scores? What do you wonder?
Which team improved the most? Explain your reasoning.
A cereal box says that now it contains 20% more. Originally, it came with 18.5 ounces of cereal. How much cereal does the box come with now?
The price of a shirt is $18.50, but you have a coupon that lowers the price by 20%. What is the price of the shirt after using the coupon?
Select the situations that could be represented by this diagram:
Select the situations that could be represented by this diagram:
Draw a diagram to represent the situation: The number of ducks living at the pond increased by 40%.
Draw a diagram to represent the situation: The number of mosquitoes decreased by 80%.
What could it mean to say there is a 100% decrease in a quantity? Give an example of a quantity where this makes sense.
Employee A gets a pay raise of 50%. Employee B gets a pay raise of 45%. So Employee A gets the bigger pay raise. Do you agree or disagree with the statement? Explain your reasoning.
Shirts are on sale for 20% off. You buy two of them. As you pay, the cashier says, “20% off of each shirt means 40% off of the total price.” Do you agree or disagree with the statement? Explain your reasoning.