Classifying Real Numbers and Estimating Square Roots

Front

What is a natural number?

Back

A natural number is a positive integer, starting from 1, and does not include zero or negative numbers.

Front

Is 0 a natural number?

Back

False

Front

What is a whole number?

Back

A whole number is a non-negative integer, which includes all natural numbers and zero.

Front

Is -1 a whole number?

Back

False

Front

What is the square root of 1?

Back

1

Front

What is the square root of 0?

Back

0

Front

Which of the following is a whole number: 9, \frac{10}{9}, -3 \frac{1}{2}, 2 \frac{2}{3}?

Back

9

Front

Estimate the square root of 44. Between which two integers does it fall?

Back

6 and 7

Front

Estimate the square root of 32. Between which two whole numbers does it fall?

Back

5 and 6

Front

What is the definition of a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.