Number Sense (SOL 8.2/8.3 )

Front

What are whole numbers?

Back

Whole numbers are non-negative integers, including zero (0, 1, 2, 3, ...).

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

What is the square root of 265?

Back

The square root of 265 falls between 16 and 17.

Front

Which numbers are between 4 and 5 on the number line?

Back

√17 and √24 are both between 4 and 5.

Front

What are real numbers?

Back

Real numbers include all rational and irrational numbers, encompassing integers, whole numbers, fractions, and decimals.

Front

What is the difference between whole numbers and integers?

Back

Whole numbers are non-negative, while integers include both negative and positive numbers, as well as zero.

Front

How do you estimate the square root of a number?

Back

To estimate the square root, find two consecutive whole numbers between which the square root lies.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What is an irrational number?

Back

An irrational number cannot be expressed as a simple fraction; its decimal representation is non-repeating and non-terminating.

Front

What is the number line?

Back

A number line is a straight line that represents numbers as points, with equal intervals between them.