# 5.6 More Decimal and Fraction Operations

## Unit Goals

- Students solve multi-step problems involving measurement conversions, line plots, and fraction operations, including addition and subtraction of fractions with unlike denominators. They also explain patterns when multiplying and dividing by powers of 10 and interpret multiplication as scaling by comparing products with factors.

### Section A Goals

- Explain patterns when multiplying and dividing by powers of 10.
- Solve multi-step problems involving measurement conversions.

### Section B Goals

- Add and subtract fractions with unlike denominators.
- Create line plots to display fractional measurement data, and use the information to solve problems.
- Solve problems involving addition and subtraction of fractions.

### Section C Goals

- Interpret multiplication as scaling (resizing).
- Make generalizations about multiplying a whole number by a fraction greater than, less than and equal to 1.

### Lessons

- 1
#### Place Value Patterns

- 2
#### Powers of 10

PLC Activity

- 3
#### Metric Conversion and Multiplication by Powers of Ten

- 4
#### Metric Conversion and Division by Powers of Ten

- 5
#### Multi-step Conversion Problems: Metric Length

- 6
#### Multi-step Conversion Problems: Metric Liquid Volume

- 7
#### Multi-step Conversion Problems: Customary Length