Access Point #: MAFS.4.MD.1.AP.1b (Archived Access Point)

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Complete a conversion table for length and mass within a single system.


Essential Understandings


  • Match a representation in a smaller unit to a representation in a larger unit.
  • Understand the following concepts and vocabulary related to length, mass, weight, and time.

Number: MAFS.4.MD.1.AP.1b Category: Access Points
Cluster: Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit. (Supporting 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.

Related Standards

Name Description
MAFS.4.MD.1.1: Know relative sizes of measurement units within one system of units including km, m, cm; kg, g; lb, oz.; l, ml; hr, min, sec. Within a single system of measurement, express measurements in a larger unit in terms of a smaller unit. Record measurement equivalents in a two-column table. For example, know that 1 ft is 12 times as long as 1 in. Express the length of a 4 ft snake as 48 in. Generate a conversion table for feet and inches listing the number pairs (1, 12), (2, 24), (3, 36), ...

Related Courses

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Related Resources

Element Cards

Name Description
4th Grade Math Element Cards:

Element Cards are available to assist in planning for instruction. They are designed to promote understanding of how students move toward the academic standards. Element Cards contain one or more access points, essential understandings, suggested instructional strategies and suggested supports.

Teaching Idea

Name Description
Curriculum Resource Guide: Measurement and Geometry:

Complete Unit