FAST Review 7.AR.3.1, 3.2, 3.3, 4,1

Front

What is a ratio?

Back

A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other.

Front

How do you maintain a ratio when given one quantity?

Back

To maintain a ratio, you can multiply the known quantity by the ratio's other part to find the corresponding quantity.

Front

What is the formula to calculate the total amount when combining two quantities?

Back

Total Amount = Quantity 1 + Quantity 2.

Front

What is a percentage discount?

Back

A percentage discount is a reduction from the original price, expressed as a percentage of that price.

Front

How do you calculate the final price after applying a discount?

Back

Final Price = Original Price - (Original Price × Discount Percentage).

Front

What is sales tax?

Back

Sales tax is a tax imposed by the government on the sale of goods and services, calculated as a percentage of the sale price.

Front

How do you calculate the total price after tax?

Back

Total Price = Price After Discount + (Price After Discount × Sales Tax Percentage).

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities.

Front

How can you identify if a graph is proportional?

Back

A graph is proportional if it passes through the origin (0,0) and has a constant slope.

Front

What does it mean if a relationship is non-proportional?

Back

A non-proportional relationship does not maintain a constant ratio between two quantities.