## Reflection: Developing a Conceptual Understanding 1 More, 1 Less - Section 3: Independent Practice

Please check out my use number line reflect video. I had a student that was not used to using a number line, and this video showcased how I instructed her in identifying a starting point and the direction to move. Students have to learn to use their mathematical tools that are available and use them correctly (MP5). This class-size number line is located along my far counter and stretches the full length of it.

Developing a Conceptual Understanding: Number Line provides a visual

# 1 More, 1 Less

Unit 10: Place Value
Lesson 9 of 16

## Big Idea: My class has been learning about place value and the meaning of tens and ones. This lesson will develop knowledge of adding or subtracting one from a 2-digit number.

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Standards:
Subject(s):
Math, Place Value, addition, ones, tens, Tens and Ones
30 minutes

### Jennifer Moon

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