Comparing and Ordering Real Numbers Test Review

Front

What is a real number?

Back

A real number is any number that can be found on the number line, including both rational numbers (like fractions and integers) and irrational numbers (like √2 and π).

Front

How do you compare two real numbers?

Back

To compare two real numbers, you can use the symbols > (greater than), < (less than), or = (equal to) based on their values.

Front

What does it mean to order numbers from least to greatest?

Back

Ordering numbers from least to greatest means arranging them in a sequence starting with the smallest number and ending with the largest.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 34% becomes 0.34.

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers as a product of a number between 1 and 10 and a power of 10. For example, 2.1 × 10^-1 is in scientific notation.

Front

How do you convert a fraction to a decimal?

Back

Front

What is the decimal equivalent of 0.405%?

Back

To convert 0.405% to a decimal, divide by 100: 0.405% = 0.00405.

Front

How do you find the square root of a number?

Back

Front

What is the difference between ascending and descending order?

Back

Ascending order arranges numbers from smallest to largest, while descending order arranges them from largest to smallest.

Front

How do you express a repeating decimal as a fraction?

Back

To express a repeating decimal as a fraction, set the decimal equal to a variable, multiply to eliminate the repeating part, and solve for the variable.