Understanding Discounts and Original Prices

The video tutorial explains how to determine the original price and discount amount of a shirt on sale for $9.90, reflecting a 70% discount. Using a bar diagram, the tutorial shows that $9.90 is 30% of the original price. By dividing the bar into 10 equal parts, each representing 10%, the original price is calculated as $33. The discount amount is then determined to be $23.10, which is 70% of the original price.

What is the sale price of the shirt Rose found?

• $9.90

• $33.00

• $23.10

• $19.80

What percentage of the original price does the sale price represent?

• 30%

• 50%

• 70%

• 100%

How many parts is the bar diagram divided into to represent percentages?

• 20 parts

• 15 parts

• 10 parts

• 5 parts

What is the value of 10% of the original price?

• $9.90

• $33.00

• $3.30

• $6.60

What is the purpose of dividing the bar into 10 parts?

• To make it look longer

• To make it colorful

• To represent each 10% increment

• To confuse the viewer

What is the original price of the shirt?

• $9.90

• $23.10

• $33.00

• $19.80

What is the final step in verifying the original price using the bar diagram?

• Multiplying by 10

• Adding $3.30 each time

• Subtracting $9.90

• Dividing by 3

How much is the discount amount?

• $3.30

• $9.90

• $23.10

• $33.00

What percentage of the original price is the discount?

• 100%

• 50%

• 70%

• 30%

If the original price is $33, what is the price after a 70% discount?

• $9.90

• $19.80

• $23.10

• $33.00