## Reflection: Vertical Alignment On Your Mark... - Section 1: Setting Up the Learning

Watch video here to see more of why I used the number line in this lesson and how that supports students' development in the Common Core.

Why the Number Line?
Vertical Alignment: Why the Number Line?

Unit 16: What the WHAT?! Teaching Challenging Story Problems
Lesson 7 of 7

## Big Idea: The number line is a tool students will use in math from Kindergarten all the way through high school! This lesson has students explore how to model missing addend/subtrahend using the number line.

Print Lesson
3 teachers like this lesson
Standards:
Subject(s):
50 minutes

### Amanda Cole

##### Similar Lessons

###### Identify Related Facts - Day 2 of 2
Big Idea: It's all in the family! In this lesson, students will build fact family "houses" by using 3 numbers and writing the related addition and subtraction sentences.
Favorites(13)
Resources(12)
Lakeland, FL
Environment: Urban

###### Seven Apples and Bananas
1st Grade Math » Building Numbers
Big Idea: Possibilities are abound as students try to determine one of the possible solutions to a story problem. Although they won't be eating Apples and Bananas, Raffi would still be proud.
Favorites(14)
Resources(16)
Waitsfield, VT
Environment: Suburban

###### Detectives are on the HUNT for Missing parts of 6 and 7!
1st Grade Math » Understanding Subtraction
Big Idea: Detectives it is time to search! The children will become great investigators and solve problems by finding the missing part.
Favorites(5)
Resources(23)
Oklahoma City, OK
Environment: Urban