Chapter 4 Vocabulary Quiz

What is the difference between a ratio and a fraction?

• A ratio is always greater than a fraction.
• They are mathematically very similar but a ratio compares two quantities, while a fraction represents a part of a whole.

• A fraction can only be used with whole numbers. They are pretty much identical.

• They are basically the same thing but a ratio is a type of fraction that cannot be simplified.

In math, what do we mean when we refer to a "variable"?

• A variable is a fixed number used in calculations. It is always represented by an x.

• A variable is a type of mathematical operation. Like multiplication or division.

• A variable is a constant that does not change. It can be an x or a y.

• A variable is a symbol that represents an unknown value in mathematics.

What is a "mathematical expression"?

• A mathematical expression is a single number with no = sign.

• A mathematical expression is a type of equation that has no variables. and no = sign.

• A mathematical expression is a graphical representation of data.
• A mathematical expression is a combination of numbers, variables, and operators that represents a value. but has no = sign.

A_______represents part of a whole. A________represents a relationship between 2 things.

• decimal, quotient
• fraction, ratio
• percentage, proportion
• whole number, difference

This is an example of a _____________ problem:

The red car can drive 230 miles in 6 hours. The blue car can drive 340 miles in 8 hours. Which car drives faster?

• expression

• blue car
• ratio

• red car

Which of these represents an "inequality"?

• x = 5
• x + 3 = 10
• x /10

• x < 5

What is a mixed number?

• A mixed number is a whole number and a percent.

• A mixed number is a fraction without a whole number.
• A mixed number is a decimal representation of a number.
• A mixed number is a combination of a whole number and a proper fraction.

This is an example of equivalent ratios

• 1:3 and 2:10 are equivalent ratios.

• 3:4 and 6:9 are equivalent ratios.

• 2:5 and 4:8 are equivalent ratios.

• 1:2 and 2:4 are equivalent ratios.

What is the "reciprocal" of a fraction?

• The fraction itself

• The fraction with its numerator and denominator swapped

• The fraction multiplied by 2

• The fraction divided by 2

What is another word for "a relationship between 2 numbers by division"?

• ratio
• sum
• product
• fraction