__Chapter 13 Vocabulary__

__area-____the number of square units needed to cover a flat surface____formula__- a set of sumbols that expresses a mathematical rule

**any side of a two-dimensional figure**

__base-__**the measure of a perpendicular line segment from the base to the top of a two-dimensional figure**

__height-__**the distance around a figure**

__perimeter__-**a unit of area with dimensions of 1 unit x 1 unit**

__square unit-__**Lesson 1**: Measurement Benchmarks

**Lesson 2**: Customary Units of Length

**Lesson 3**: Customary Units of Weight

**Lesson 4: Customary Units of Liquid Volume**

**Lesson 5:**Line Plots

**Mid-Chapter Checkpoint**

**Lesson 6**: Metric Units of Length

**Lesson 7**: Metric Units of Mass and Liquid Volume

**Lesson 8**: Units of Time

**Lesson 9**: Elapsed Time

**Lesson 10**: Mixed Measures

**Lesson 11**: Patterns in Measurement Units

**Chapter Review/Test**

Chapter Test

Chapter Test