Decimal Operations

Which of the following options is NOT a way to write a ratio?

• With a colon.

• With the word "to"

• With an equals sign.

• As a fraction.

What does it mean to estimate?

• To find an exact answer.

• To find a "close to" answer.

• To put together like terms.

• To round your answer.

What is a ratio?

• A part-to-whole comparison.

• A ratio where something is compared to one.

• A number sentence with no equal sign.

• A part-to-part comparison.

What is a tip?

• A tax on a sale of merchandise or services.

• Money subtracted from the original price.

• Additional money given for a service. It is also known as a gratuity.

What is a unit rate?

• A comparison where one part is compared to one.

• A part-to-part comparison.

• A part-to-whole comparison.

• The cost for one of something.

Which location is the tenths place found?

• The first spot to the left of the decimal point.

• The second spot to the right of the decimal point.

• The third spot to the right of the decimal point.

• The first spot to the right of the decimal point.

What is a variable?

• A letter that holds the place for an unknown value.

• To substitute and solve.

• Terms that can be combined together.

• The number that is all alone in an expression.

What word represents the decimal point when reading a number?

• and

• to

• ratio

• fraction

What is a discount?

• A tax on a sale of merchandise or services.

• Money subtracted from the original price.

• Additional money given for a service. It is also known as a gratuity.

When rounding a number, do you have to follow specific rules?

• Yes ... rounding has rules!

• No, rounding is the exact same thing as estimating.