Solving Addition and Subtraction Problems
3rd Grade · Math · 45 min· Tek 3.4a
Lesson Preview
Learning Objective
I can solve one-step and two-step addition and subtraction problems within 1,000 using what I know about place value and how addition and subtraction are related.
- 1
Addition is the process of combining numbers into a sum, while subtraction is the process of finding the difference of two numbers.
- 2
The standard algorithm is a set of steps used to complete a process, like solving addition or subtraction problems.
- 3
When solving word problems, it is important to understand the problem, show your work clearly, and explain how you solved it.
