## Reflection: Connection to Prior Knowledge Estimation in Subtraction Using Real Life Scenarios - Section 4: Independent Practice

Houghton Mifflin Workhseet 3-19 in-class work.

This particular worksheet reflects what I saw in the majority of the middle level student's work. I think it is a great example of a common problem with students not applying the concepts learned through reading carefully. This student uses the word "about" in his explanation, has highlighted the word estimation and has figured out the exact answer.

I will need to adjust my practice to make sure that my mid level students are taught step by step how to pull apart, highlight key words and then self check those key words. A KWS chart strategy ( What I know;What I want to know:  and Setting up a Solution) with focus on checking the question will help them.

Connection to Prior Knowledge: Independent worksheet commentary...

# Estimation in Subtraction Using Real Life Scenarios

Unit 1: Place Value and Multi-Digit Addition & Subtraction
Lesson 2 of 7

## Big Idea: Students use real life scenarios to practice estimation skills, number sense and critical thinking by using Real Estate Ads and a \$5,000,000 budget!

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60 minutes

### Mary Ellen Kanthack

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