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4th Grade Science

# Human Machine

## Human Body, Senses, and the Brain

- Mystery #1: Why do your biceps bulge?
- Mystery #2: What do people who are blind see?
- Mystery #3: How can some animals see in the dark?
- Mystery #4: How does your brain control your body?

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Math-Unit 6: Understanding Fractions

- Understand Fractions
- Fractions that add to One
- Add & Subtract Fractions with Like Denominators
- Mixed Numbers & Fractions Greater than 1
- Add and Subtract Mixed Numbers with Like Denominators
- Practice with Fractions and Mixed Numbers
- Multiply a Fraction by a Whole Number
- Practice Multiplying a Fraction by a Whole Number
- Mixed Practice