Estimating Square Roots to the Nearest Tenth

The video tutorial covers evaluating and estimating square roots. It introduces the concept of square roots and perfect squares, explaining how to identify them. The tutorial discusses irrational numbers and demonstrates estimation techniques for square roots using visual aids and examples. It also provides step-by-step instructions for estimating square roots to the nearest tenth using a calculator.

What is the square root of 16?

• 5

• 4

• 3

• 2

Which of the following is a perfect square?

• 15

• 30

• 8

• 25

What is an irrational number?

• A number that is negative

• A number that is a perfect square

• A number that cannot be expressed as a fraction

• A number that can be expressed as a fraction

Between which two numbers does the square root of 11 lie?

• 2 and 3

• 3 and 4

• 5 and 6

• 4 and 5

Which number is closer to the square root of 11?

• 3

• 2

• 4

• 5

How do you convert a fraction to a decimal?

• Subtract the numerator from the denominator

• Divide the numerator by the denominator

• Add the numerator and the denominator

• Multiply the numerator by the denominator

What is the decimal approximation of 2/7?

• 0.28

• 0.35

• 0.14

• 0.3

Between which two numbers does the square root of 24 lie?

• 3 and 4

• 6 and 7

• 4 and 5

• 5 and 6

Which number is closer to the square root of 24?

• 5

• 5.5

• 4.5

• 4

What is the decimal approximation of the square root of 24?

• 4.7

• 4.8

• 4.9

• 5.0