Unit 4, Lesson 21--Addition Algorithms
Lesson 21-- Addition Algorithms
Introduction
Hello Mathematicians! Today we will work on solving addition problems using algorithms. This is a strategy that uses a step-by-step procedure for solving problems.
Video
Interactive
Part 1 Directions:
- In the interactive below, use the place value algorithm to solve the addition problem.
- Follow the steps.
- Drag and drop each digit to the correct place.
Part 2 Directions:
- Try using the place value or standard algorithm to solve the problems.
- Show your work in your notebook. Then check your answer in the interactive.
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