Adding Rational Numbers on a Number Line

What is the first step in adding rational numbers using a number line?

• Think of a number line

• Move to the right

• Start at zero

• Identify the larger number

When adding a positive rational number, which direction do you move on the number line?

• Up

• Right

• Left

• Down

What happens when you add a negative rational number?

• You move to the right

• You stay at the same position

• You move to the left

• You move up

In the example of adding 2 and -3, where do you start on the number line?

• At 3

• At 2

• At 0

• At -3

What is the result of adding 2 and -3?

• 2

• 1

• -1

• 0

In the example of adding -5 and -1, where do you start on the number line?

• At -1

• At 5

• At 0

• At -5

What is the result of adding -5 and -1?

• -7

• -6

• -5

• -4

In the example of adding -3 and 4, where do you start on the number line?

• At 0

• At 4

• At -3

• At 3

What is the result of adding -3 and 4?

• 1

• 0

• -1

• 2

When adding a positive number to a negative number, which direction do you move on the number line?

• Down

• Up

• Right

• Left