Standard #: MAFS.2.MD.1.3 (Archived Standard)


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Estimate lengths using units of inches, feet, yards, centimeters, and meters.


General Information

Subject Area: Mathematics
Grade: 2
Domain-Subdomain: Measurement and Data
Cluster: Measure and estimate lengths in standard units. (Major Cluster) -

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

Date Adopted or Revised: 02/14
Date of Last Rating: 02/14
Status: State Board Approved - Archived

Related Courses

Course Number1111 Course Title222
5012040: Grade Two Mathematics (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 - 2024, 2024 and beyond (current))
7712030: Access Mathematics Grade 2 (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2022, 2022 and beyond (current))
5020090: STEM Lab Grade 2 (Specifically in versions: 2016 - 2022, 2022 - 2024, 2024 and beyond (current))
5012005: Foundational Skills in Mathematics K-2 (Specifically in versions: 2019 - 2022, 2022 - 2024, 2024 and beyond (current))


Related Resources

Educational Game

Name Description
Estimation of Length, Area, and Volume

The students will be presented with two shapes and must estimate how many times the smaller will fit in the larger. They will be surprised at some of the results but will quickly learn and make adjustments.

Formative Assessments

Name Description
Estimating in Yards

Students are asked to estimate a predetermined length in yards.

Estimating in Feet

Students are asked to estimate the length of a table in feet.

Estimating in Meters

Students are asked to estimate a predetermined length in meters.

Estimating in Centimeters

Students are asked to estimate the length of a line segment in centimeters.

Estimating in Inches

Students are asked to estimate the length of a piece of paper in inches.

Lesson Plan

Name Description
Measurement Mystery Mayhem

In this lesson, students will use their knowledge of units of measurement to estimate the length of objects in centimeters and inches. Students will use rulers to confirm their estimations. Students will engage in communication and cooperative learning by sharing strategies, comparing answers and defending their work.

Original Student Tutorial

Name Description
Big Brown Bug: Estimating Measurements!

A 6 foot bug? No way! Learn how to estimate length using inches, feet and yards by using objects around you in this interactive tutorial.

Professional Development

Name Description
What Does It Mean To Measure?

This is a professional development session from the Learning Math series from Annenberg. Learners will begin to explore the questions "What can be measured?" and "What does it mean to measure something?" Learners identify measurable properties of objects such as weight, surface area, and volume, and discuss which metric units are appropriate for measuring these properties. Learners will also learn that measurement is, by its nature, approximate. Finally, learners will consider how to make measurements using nonstandard units. This session features a number of problems for learners to solve and open-ended questions to discuss, videos that demonstrate measurement techniques, and an interactive activity that asks learners to construct shapes using different size triangles to foster understanding of area and perimeter. There are also nine homework problems in which learners are asked to generate different measurements, graph measurements, and evaluate the appropriateness of the measurements generated using a data chart. Many of the professional development activities can be used directly in the classroom.

Teaching Idea

Name Description
Rough Rubbin' Sharks-SeaWorld Classroom Activity

In this activity, students gain an understanding of sharks' rough, textured skin through artwork. They demonstrate knowledge of a shark's ecosystem. Students will also have the opportunity to measure/estimate different sharks using objects and rulers.

Student Resources

Original Student Tutorial

Name Description
Big Brown Bug: Estimating Measurements!:

A 6 foot bug? No way! Learn how to estimate length using inches, feet and yards by using objects around you in this interactive tutorial.

Educational Game

Name Description
Estimation of Length, Area, and Volume:

The students will be presented with two shapes and must estimate how many times the smaller will fit in the larger. They will be surprised at some of the results but will quickly learn and make adjustments.



Parent Resources

Teaching Idea

Name Description
Rough Rubbin' Sharks-SeaWorld Classroom Activity:

In this activity, students gain an understanding of sharks' rough, textured skin through artwork. They demonstrate knowledge of a shark's ecosystem. Students will also have the opportunity to measure/estimate different sharks using objects and rulers.



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