Unit 3 - Rational Numbers Review (Independent)

Front

What is a rational number?

Back

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

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply the result by 100.

Front

What is the process to order rational numbers from least to greatest?

Back

Convert all numbers to the same form (either fractions, decimals, or percentages), then compare their values.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer.

Front

How do you add mixed numbers?

Back

To add mixed numbers, first add the whole numbers, then add the fractions, and if necessary, convert any improper fractions back to mixed numbers.

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width: Area = length × width.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

How do you simplify the expression 5 - (7 + 3) ÷ 2?

Back

First, calculate the parentheses: 7 + 3 = 10. Then divide: 10 ÷ 2 = 5. Finally, subtract: 5 - 5 = 0.

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.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal as a fraction with 1 as the denominator, then multiply the numerator and denominator by 10 for each digit after the decimal point.