Length

1. Lesson 3. Using a Start Line

1.1. Lesson Objective. Use a common starting point when comparing lengths.

2. Lesson 4. Measuring Things

2.1. Lesson Objectives. Measure lengths using non-standard units. Understand that using different non-standard units may give different measurements for the same item.

3. Lesson 5. Finding Lengths in Units

3.1. Lesson Objectives. Use the term "unit" to describe length. Count measurement units in a group of ten and ones.

4. Lesson 1. Comparing Two Things

4.1. Lesson Objective. Compare two lengths using terms tall/taller, long/longer, short/shorter.

5. Lesson 2. Comparing More Than Two Things

5.1. Lesson Objectives. Compare two lengths by comparing each with a third length. Compare more than two lengths using the terms tallest, longest, and shortest.