Number Sense (SOL 8.2/8.3 )

Front

What is the approximate value of √18?

Back

√18 is approximately 4.24, which is best represented by point X on a number line.

Front

What does -√8 represent on a number line?

Back

-√8 is approximately -2.83, which falls between -2 and -3.

Front

Between which two consecutive integers does √265 fall?

Back

√265 falls between 16 and 17.

Front

What are REAL NUMBERS?

Back

Real numbers include all rational and irrational numbers, represented by letter E.

Front

What is the area of a square if one side is 15 feet?

Back

The area is 15 feet x 15 feet = 225 square feet.

Front

How do you find the square root of a number?

Back

To find the square root, determine which number multiplied by itself equals the original number.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction, while irrational numbers cannot.

Front

What is the value of √16?

Back

√16 = 4.

Front

How do you estimate the square root of a non-perfect square?

Back

Find two consecutive integers between which the square root lies.

Front

What is the square of 15?

Back

The square of 15 is 15 x 15 = 225.