## Still difficulties with finding place value and commas... - Section 2: What's Wrong with This Problem? A little game that makes them face the meaning of multples of 10's.

Still difficulties with finding place value and commas...

# An 1870's Classrom Meets Common Core: Drilling Math Facts & a Game of What's Wrong with This Answer?

Unit 13: Multiplication Unit
Lesson 10 of 19

## Big Idea: This great, but simple lesson takes us back to the late 1800's as we drill facts and play a game where students create mistakes in multiplication problems involving multiples of 10 that their classmates have to identify and explain.

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Standards:
Subject(s):
Math, Number Sense and Operations, math facts, fluency
45 minutes

### Mary Ellen Kanthack

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