PA-U1.6 Lesson: Adding Integers

Warm-UP: ACT PRep Question

If sqrt{50}​ is approximately equal to “x”, which of the following is the best estimate for “x”?

Unit 1 Lesson 6
Adding Integers

When adding mixed signs, subtract the numbers and keep the sign of the larger absolute value.

​Rule 2: Adding Different Signs

When adding same signs, add the numbers and keep the sign.

​Rule 1: Adding Same Signs

Concepts/Procedures:

​Example 1:

​Example 2:

​Example 3: