## Reflection: Student Ownership Estimating Double Digit by Double Digit Multiplication - Section 1: Core Lesson: Extending What We Already Know About Estimation

This lesson is richly filled with thinking and practice. Students generated their ideas based on their prior knowledge and then I was able to instruct. Those who were struggling at first were doing well by the end of the class today. These are my thoughts about getting students to think deeply and this lesson.

Student Ownership: Constructivist Approach Using Prior Knowledge

# Estimating Double Digit by Double Digit Multiplication

Unit 13: Multiplication Unit
Lesson 15 of 19

## Big Idea: This is a straightforward lesson that begins by tapping into student's critical thinking and reasoning about why we estimate; therefore how would we go about this?

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1 teacher likes this lesson
Standards:
Subject(s):
Math, Number Sense and Operations, multiplication, Double Digit Estimation, student accountability
35 minutes

### Mary Ellen Kanthack

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