Subtracting Reverses

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Description

Author:

Dan
Posted:

Tue, September 26, 2017, last modified December 5, 2019
Topics:

Common Core Math Practices, Numbers and Operations in Base Ten, Operations and Algebraic Thinking
Grades:

2, 3, 4, 5, 6
Type:

Activity, Exploration
Keywords:

Subtraction

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About This Lesson

Topics: Subtraction, base 10, logic, patterns
Materials: Paper and pencil, Hundred Chart
Common Core: 3.NBT.A.2, 4.NBT.B.4, MP1, MP3, MP7, MP8

What happens when you take the difference of a number and its reverse?

This extraordinary lesson combines base ten subtraction practice with an irresistible mystery. A pattern slowly reveals itself as the class compiles data.

Why We Love Subtracting Reverses

This extraordinary lesson combines base ten subtraction practice with an irresistible mystery.
A pattern slowly reveals itself as the class compiles data.

Download the PDF
– to learn more about this lesson

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