# Understanding Length

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Our Understanding Length Lesson Plan explores how to measure the length of an object.  With this interactive lesson, students will order three object by length.  The experiential activity enables students to understand that measuring the length of an object is done by placing a smaller object end to end with no gaps or overlaps.  Engaging a variety of manipulatives stimulates the sensory system as students apply and generalize the concept.  Develop critical thinking as student discuss the reason for using a standard unit of measurement.

## Understanding Length Lesson Plan Includes:

• Full Teacher Guidelines with Creative Teaching Ideas
• Instructional Content Pages about Length.
• Hands on homework activities giving students practice on determining the definition of the length and how to find the length for different objects.
• Answer Keys
• Common Core State Standards
• Many Additional Links and Resources
• Built for Grade 1 but can be adapted for other grade levels.

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### Description

Our Understanding Length Lesson Plan explores how to measure the length of an object.  With this interactive lesson, students will order three object by length.  The experiential activity enables students to understand that measuring the length of an object is done by placing a smaller object end to end with no gaps or overlaps.  Engaging a variety of manipulatives stimulates the sensory system as students apply and generalize the concept.  Develop critical thinking as student discuss the reason for using a standard unit of measurement.

Sample Classroom Procedure / Teacher Instruction

1. Begin by explaining to the students that measuring objects is an important part of our lives and discuss various way that measurement is seen in the world around us (driving places, sizes of clothing, televisions).
2. While reading the content pages, reinforce vocabulary and give students additional examples of items to measure in order to help them understand the concepts. Use the additional resources to enhance understanding.
3. Introduce the notes on measurement. Have the students compare the length of various objects to one another deciding which is shorter and longer. Use the additional resources to enhance understanding.
4. Allow the students time to measure many different objects to practice using cubes.
5. Measure objects as a class so that the students understand the correct procedure. Have students come up and demonstrate how to solve a measurement problem.
6. Follow the activity page with your students. Tape a start line on the floor or desk for the students to begin comparing objects. Provide a wide variety of objects for the students to practice comparing using their start line. Allow the students to choose 4 objects out of a group.
7. Distribute the practice page. Check and review the students’ responses as a class.
8. Distribute the homework page. Give the students time at the beginning of the next class to tell about the objects they measured.
9. Ask the students why we would use a standard unit to measure.
10. Allow for responses and discussion.

Common Core State Standards: CCSS.Math.Content.1.MD.A.1, CCSS.Math.Content.1.MD.A.2

Class Sessions (45 minutes): 1 class

Additional Resources:

Want more math resources? Check out our other Math Lesson Plans!

### Additional information

Grade Level 1st Grade Math