8th Approximate Irrational Numbers

Front

What are irrational numbers?

Back

Irrational numbers are numbers that never end and never repeat.

Front

What is the approximate value of √18?

Back

The best estimate for √18 is 4.2.

Front

What is the approximate value of √12?

Back

The approximate value of √12 is 3.5.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be written as a fraction.

Front

Which is the best approximation of √8?

Back

The best approximation of point P is √8.

Front

How can you estimate the value of a square root using a number line?

Back

You can estimate the value of a square root by locating it between two perfect squares on a number line.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot.

Front

Give an example of an irrational number.

Back

An example of an irrational number is π (pi) or √2.

Front

What is the significance of estimating square roots in mathematics?

Back

Estimating square roots helps in simplifying calculations and understanding the size of numbers.

Front

How do you determine the approximate value of a square root?

Back

To determine the approximate value of a square root, find the two closest perfect squares and estimate between them.