Review 1st Nine Weeks Skills

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

How do you calculate the change in weight?

Back

To calculate the change in weight, subtract the initial weight from the final weight. For example, if Rover gained 5 pounds and lost 2, the change is +5 - 2 = +3.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder. For example, the GCF of 32 and 24 is 8.

Front

How do you convert a percentage to a fraction?

Back

To convert a percentage to a fraction, divide the percentage by 100 and simplify if possible. For example, 420% = 420/100 = 4 2/10 = 4 1/5.

Front

What does the expression -4 - 7 represent?

Back

The expression -4 - 7 represents the distance between the points (-4, 1) and (7, 1) on a number line.

Front

What are the four quadrants in a coordinate plane?

Back

The four quadrants are: I (x positive, y positive), II (x negative, y positive), III (x negative, y negative), IV (x positive, y negative).

Front

What is the distance formula?

Back

The distance formula is used to find the distance between two points (x1, y1) and (x2, y2): Distance = √((x2 - x1)² + (y2 - y1)²).

Front

How do you identify the quadrant of an ordered pair?

Back

To identify the quadrant of an ordered pair (x, y), check the signs of x and y: both positive = I, x negative & y positive = II, both negative = III, x positive & y negative = IV.

Front

What is a positive integer?

Back

A positive integer is a whole number greater than zero, such as 1, 2, 3, etc.

Front

What is a negative integer?

Back

A negative integer is a whole number less than zero, such as -1, -2, -3, etc.