Solving Addition and Subtraction Problems
aligned to Tek 3.4a
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.
Lesson Flow
Watch Video
3.4A Addition and Subtraction Word Problems
Lisa Raizes
Guided Notes
Key concepts students will learn:
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Addition is the process of combining numbers into a sum, while subtraction is the process of finding the difference of two numbers.
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The standard algorithm is a set of steps used to complete a process, like solving addition or subtraction problems.
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When solving word problems, it is important to understand the problem, show your work clearly, and explain how you solved it.
Practice
12 questions • Short answer
Exit Ticket
“Sarah has 225 red balloons and 340 blue balloons. She gives away 45 balloons. How many balloons does Sarah have left?”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
