Using Number Lines to Add Two Integers with Different Signs

A step-by-step guide to Using Number Lines to Add Two Integers with Different Signs

To add two integers with different signs, follow these steps:
Step 1: Ignore the signs.
Step 2: Find the difference between these two numbers.
Step 3: Subtract the bigger absolute value from the lesser one.
Step 4: Attach the sign of the larger integer.

To add two integers with different signs using number lines, you have to do these steps:
Step 1: Find the first integer on the number line.
Step 2: If the second integer is negative, move over that number of spaces to the left-hand side from the location of the first integer. But if the second integer is positive, move over that number of spaces to the right-hand side from the location of the first integer.

Using Number Lines to Add Two Integers with Different Signs – Example 1

Utilize the number line to find the sum of integers with different signs.
\(2+(-7)=\)_?
Solution:
Step 1: Find 2 on the number line.
Step 2: Move 7 units to the left side since it is negative.

Using Number Lines to Add Two Integers with Different Signs – Example 2

Utilize the number line to find the sum of integers with different signs.
\(6+(-10)=\)_?
Solution:
Step 1: Find 6 on the number line.
Step 2: Move 10 units to the left side since it is negative.