RTI Pre-Test and Post-Test Classifying and Ordering Real Numbers

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 integers and fractions) and irrational numbers (like √2 and π).

Front

How do you compare fractions and decimals?

Back

To compare fractions and decimals, convert the fraction to a decimal using division, then compare the two decimal values.

Front

What is the greatest value in a set of numbers?

Back

The greatest value is the largest number in a set when compared to all other numbers.

Front

What is the least value in a set of numbers?

Back

The least value is the smallest number in a set when compared to all other numbers.

Front

How do you find the square root of a number?

Back

The square root of a number x is a value y such that y² = x. For example, √9 = 3 because 3² = 9.

Front

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

Back

Ordering numbers from least to greatest means arranging them in ascending order, starting with the smallest number and ending with the largest.

Front

What is the symbol for 'greater than'?

Back

The symbol for 'greater than' is >.

Front

What is the symbol for 'less than'?

Back

The symbol for 'less than' is <.

Front

What is the symbol for 'equal to'?

Back

The symbol for 'equal to' is =.

Front

How do you determine which two integers a square root falls between?

Back

To determine which two integers a square root falls between, calculate the square root and find the nearest whole numbers that are lower and higher than the result.