## Reflection: Writing Across the Disciplines How Does It Grow? - Section 1: Warm Up

I decided to teach this lesson after our recent project (six lessons beginning with Squares on a Checkerboard). During the project my students had trouble articulating verbal descriptions of a pattern, organizing tables of data , and writing variable expressions to generalize a pattern (MP8). Generalization is so important because it gives rise to algebraic notation (MP4).

I want my students to be able to share their ideas and ask each other questions about what they think and why. The linker cubes make it easier for my students to "show" each other what they are thinking when they have trouble articulating it (MP3). I also find that the linker cubes are really helpful for ELL students in modeling and expressing their ideas.

Writing Across the Disciplines: Why I teach this lesson...

# How Does It Grow?

Unit 2: Writing expressions
Lesson 7 of 7

## Big Idea: Students will verbally generalize the properties of addition as well as write a variable expression to describe a growth pattern.

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Standards:
Subject(s):
Properties (Number Sense), Math, Expressions (Algebra), growth patterns, variable expressions
54 minutes

### Erica Burnison

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