Classifying Real Numbers

• Irrational

• Rational

• Integers

• Whole

• Natural

Answer explanation

-4 is negative and so cannot be a whole or natural number. Because it has no decimal, the most specific classification is an integer.

• Irrational

• Rational

• Integers

• Whole

• Natural

• Irrational

• Rational

• Integers

• Whole

• Natural

Answer explanation

1,235 is a natural number, it has no decimal and you could count to it, if you had that many items.

• Irrational

• Rational

• Integers

• Whole

• Natural

• Irrational

• Rational

• Integers

• Whole

• Natural

• Irrational

• Rational

• Integers

• Whole

• Natural

• Irrational

• Rational

• Integers

• Whole

• Natural

• Irrational

• Rational

• Integers

• Whole

• Natural

• Irrational

• Rational

• Integers

• Whole

• Natural

Rachel states that -5.5 is an integer because it is negative.

Is she correct?

Why or why not?

• Yes, because all negatives are integers.

• Yes, because all integers have decimals.

• No, because integers do not have decimals.

• No, because integers cannot be negative.