Calculating Discounts and Sale Prices

Front

Anika is shopping at a department store and finds a $40.00 dress marked, "Save 25%." What is the discount? What is the sale price of the dress?

Back

Discount: $10.00, Sale Price: $30.00

Answer explanation

To find the discount, calculate 25% of $40.00: 0.25 * 40 = $10.00. The sale price is then $40.00 - $10.00 = $30.00. Thus, the correct choice is Discount: $10.00, Sale Price: $30.00.

Front

David is shopping for a $12.00 case of soda at the grocery store, and he sees a sign that says, "Get a 20% discount." What is the discount? What is the sale price of the case of soda?

Back

$2.40 discount, $9.60 sale price

Answer explanation

To find the discount, calculate 20% of $12.00: 0.20 x 12 = $2.40. The sale price is then $12.00 - $2.40 = $9.60. Thus, the correct choice is $2.40 discount, $9.60 sale price.

Front

In a candy store, Zoe finds a $5.00 jar of candy labeled, "50% off." What is the discount? What is the sale price of the jar of candy?

Back

$2.50 discount, $2.50 sale price

Answer explanation

The jar of candy costs $5.00 with a 50% discount. The discount is calculated as 50% of $5.00, which is $2.50. Therefore, the sale price is $5.00 - $2.50 = $2.50. Thus, the correct choice is $2.50 discount, $2.50 sale price.

Front

In a bicycle store, Sophia finds a $500.00 bicycle marked, "Get a 30% discount." What is the sale price of the bicycle?

Back

$350.00

Answer explanation

To find the sale price, calculate 30% of $500.00, which is $150.00. Subtract this discount from the original price: $500.00 - $150.00 = $350.00. Therefore, the sale price of the bicycle is $350.00.

Front

Ava is buying a book that is on sale for $21.25. She has a coupon for 25% off. What is the sale price of the book?

Back

$15.94

Answer explanation

To find the sale price, calculate 25% of $21.25, which is $5.31. Subtract this from the original price: $21.25 - $5.31 = $15.94. Thus, the sale price of the book is $15.94.

Front

What is the correct definition of 'ecosystem'?

Back

A community of living organisms interacting with their physical environment.

Answer explanation

The correct definition of 'ecosystem' is a community of living organisms interacting with their physical environment. This encompasses both biotic and abiotic components, unlike the other options which are unrelated.

Front

What does 'biodiversity' mean?

Back

The variety of life in the world or in a particular habitat or ecosystem

Answer explanation

Biodiversity refers to the variety of life in the world or in a specific habitat or ecosystem. It encompasses the different species, genetic variations, and ecosystems, making the first choice the correct definition.

Front

What is meant by 'conservation' in the context of Avery and Aria's project to help the local park?

Back

The act of preserving, guarding, or protecting; wise use.

Answer explanation

In the context of their project, 'conservation' refers to the act of preserving, guarding, or protecting the environment, which aligns with their goal to help the local park.

Front

While playing outside, Daniel noticed that the water in a puddle was disappearing over time. This is an example of:

Back

Liquid turning into gas

Answer explanation

The water in the puddle disappearing is an example of evaporation, where liquid water turns into gas (water vapor). Therefore, the correct answer is a) Liquid turning into gas.

Front

What is 'deforestation' and its impact on the environment?

Back

Deforestation is the clearing of trees, transforming a forest into cleared land, which can lead to loss of biodiversity and climate change.

Answer explanation

Deforestation refers to the clearing of trees, which transforms forests into barren land. This process negatively impacts the environment by causing loss of biodiversity and contributing to climate change, making the first answer choice correct.