## warm up going mental.docx - Section 2: Warm up

warm up going mental.docx

# Going Mental over Percents

Unit 8: Exploring Rational Numbers
Lesson 20 of 20

## Big Idea: Exposure to multiple methods makes students more flexible and more confident problem solvers, helping them persevere when they get stuck.

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Standards:
Subject(s):
Math, modeling, Number Sense and Operations, context, number talk, mental math, perseverance, percent increase and decrease, percent, calculation strategies, rational numbers
54 minutes

### Erica Burnison

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