Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and the denominator are integers, and the denominator is not zero.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over 1, then multiply the numerator and denominator by 10 for every digit after the decimal point, and simplify if possible.

Front

What is the absolute value of -7?

Back

The absolute value of -7 is 7, as it represents the distance from zero on the number line.

Front

Order the following numbers from greatest to least: -3, 0, 2, -1.

Back

The order from greatest to least is: 2, 0, -1, -3.

Front

What is 0.75 as a fraction?

Back

0.75 as a fraction is 3/4.

Front

How do you find the least common multiple (LCM) of 4 and 6?

Back

The LCM of 4 and 6 is 12, as it is the smallest number that both 4 and 6 can divide into without a remainder.

Front

What is the difference between positive and negative numbers?

Back

Positive numbers are greater than zero, while negative numbers are less than zero.

Front

Convert 25% to a decimal.

Back

25% as a decimal is 0.25.

Front

What is the sum of -5 and 3?

Back

The sum of -5 and 3 is -2.

Front

How do you compare two rational numbers?

Back

To compare two rational numbers, convert them to a common denominator or convert them to decimals and compare their values.