Number Systems

Front

What is a number line?

Back

A number line is a straight line that represents numbers in a sequential order, where each point corresponds to a number.

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero, but do not include fractions or decimals.

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. For example, the absolute value of -5 is 5.

Front

How do you order numbers from least to greatest?

Back

To order numbers from least to greatest, compare their values and arrange them starting from the smallest to the largest.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

Front

What is the difference between positive and negative numbers?

Back

Positive numbers are greater than zero, while negative numbers are less than zero. They are located on opposite sides of zero on the number line.

Front

How do you represent -1.5 on a number line?

Back

To represent -1.5 on a number line, locate the point that is halfway between -1 and -2.

Front

What is the value of -19 degrees Celsius in absolute terms?

Back

The absolute value of -19 degrees Celsius is 19 degrees Celsius.

Front

What is the decimal equivalent of 7/8?

Back

The decimal equivalent of 7/8 is 0.875.

Front

How do you compare fractions?

Back

To compare fractions, convert them to a common denominator or convert them to decimal form.