Home Free Lessons Subtracting Reverses
Subtracting Reverses
Description

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.

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

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