Integers, Rational Numbers, and the Number line

Multiple Choice

What number is the starting point, or the origin of a number line?

• -1

• 0

• 1

• There is no starting point on a number line.

Multiple Choice

Opposite numbers are numbers:

• That are different distances from zero in the same direction.

• The same distance from zero in different directions.

• Negative

• Positive

Multiple Choice

Which of the following describes the location of -3 on a HORIZONTAL numberline?

• 3 units to the right of zero

• 3 units to the left of zero

• 3 units above zero

• 3 units below zero

Multiple Choice

Which of the following describes the location of -3 on a VERTICAL number line?

• 3 units to the right of zero

• 3 units to the left of zero

• 3 units above zero

• 3 units below zero

• We describe integers using magnitude - distance and direction.

• Numbers that have the same distance from zero but in different directions are opposites.

• -3 can be read as "the opposite of 3"

• -(-3) can be read as the opposite of the opposite of 3.

Open Ended

Describe the following in words then give the value: -(-3.2)

• Integers are whole numbers are their opposites.

• We use integers to represent real world situations.

• x > 0 represent positive numbers.

• x < 0 represents negative numbers.

Multiple Choice

Which integer that represents the following :

12 feet below sea level

• 12

• 0

• -12

• 100 - 12

Multiple Choice

Which integer that represents the following :

sea level

• 12

• 0

• -12

• 100 - 12

Multiple Choice

Which integer represents the following: a 20 dollar deposit.

• 20

• 0

• -20

• 100 + 20

• Each unit in a number line is equal distance from each other.

• Number lines can be written as fractions, decimals, or whole numbers.

• All numbers follow the same rules on the numberline.

Multiple Choice

This number line is counting by units of:

• 0

• 1

• 1/3

• 1/4

Multiple Choice

This number line is counting by units of:

• 1

• 5

• 1/5

• 1/6

Multiple Choice

Which point is plotted on the number line ?

• A: -2.25

• B: -4.25

• C: -1.5

• D: -3.75