1st Semester Math Review

Front

What is the formula to calculate words per minute?

Back

Words per minute = Total words / Total minutes.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero but in the opposite direction.

Front

How do you compare absolute values?

Back

To compare absolute values, ignore the signs and compare the numbers as if they were positive.

Front

If Carl spends $5 on movies for every $15 on video games, what is the ratio of spending on movies to video games?

Back

The ratio is 1:3.

Front

What are coordinates in a Cartesian plane?

Back

Coordinates are a pair of numbers (x, y) that define a point's position on the Cartesian plane.

Front

How do you find the x-coordinate of a point?

Back

The x-coordinate is the first number in the ordered pair (x, y) and represents the horizontal position.

Front

How do you find the y-coordinate of a point?

Back

The y-coordinate is the second number in the ordered pair (x, y) and represents the vertical position.

Front

What does it mean if a number is negative?

Back

A negative number is less than zero and represents a value in the opposite direction on the number line.

Front

What is the relationship between a number and its absolute value?

Back

The absolute value of a number is always non-negative, regardless of whether the original number is positive or negative.