Introducing Integers

Integers are whole numbers and their ________.

• Inverses

• Reciprocals

• Square roots

• Opposites

True or False: If a number is classified as an integer, it must also be a whole number.

• True

• False

True or False: Every natural number (aka counting number) is an integer.

• True

• False

Classify the following numbers into their correct subset:

1) -2

2) ¾

3) √2/2

• 1) Integer

  2) Irrational

  3) Rational

• 1) Whole

  2) Rational

  3) Irrational

• 1) Natural

  2) Irrational

  3) Whole

• 1) Integer

  2) Rational

  3) Irrational

To which of the following sets of numbers does √196 belong?

I. Natural Numbers

II. Integers

III. Rational Numbers

IV. Irrational Numbers

• I only

• I, II, and III only

• III only

• IV only

True or False: Every whole number is a rational number.

• True

• False

2 - 4

• 2

• -8

• 6

• -2

-5 - (- 3)

• -8

• 8

• -2

• 15

6 - (-4)

• 10

• 2

• -2

• -10

-2 + (-8)

• -6

• 6

• -10

• 10