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Measure the attributes (length, width, height) of an object using two different size units.
Clarifications:

Essential Understandings

Concrete:

  • Using a ruler or yardstick, measure the length, width, and height of objects in inches and feet.
  • Identify that inches and feet both measure the attribute of length, width, and height, even though they are different size units.
  • Understand that length, width and height can be measured using different size units (Ex: a chalkboard can be measured using a ruler or a yardstick).
Representation:
  • Understand the following concepts and vocabulary of length, width, height, ruler, yardstick, unit, inches, foot.

Access Point #: MAFS.2.MD.1.AP.2b (Archived Access Point)
Access Point Standards

Visit the specific benchmark webpage to find related instructional resources.

  • MAFS.2.MD.1.2: Describe the inverse relationship between the size of a unit and number of units needed to measure a given object. Example: Suppose the perimeter of a room is lined with one-foot rulers. Now, suppose we want to line it with yardsticks instead of rulers. Will we need more or fewer yardsticks than rulers to do the job? Explain your answer.
Access Point Information
Number:
MAFS.2.MD.1.AP.2b
Category:
Access Points
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.

Access Point Courses
  • Grade Two Mathematics (#5012040): The benchmarks in this course are mastery goals that students are expected to attain by the end of the year. To build mastery, students will continue to review and apply earlier grade-level benchmarks and expectations.
  • Access Mathematics Grade 2 (#7712030): Access Courses:

    Access courses are for students with the most significant cognitive disabilities. Access courses are designed to provide students access to grade-level general curriculum. Access points are alternate academic achievement standards included in access courses that target the salient content of Florida’s standards. Access points are intentionally designed to academically challenge students with the most significant cognitive disabilities. 

  • STEM Lab Grade 2 (#5020090): This course offers students an opportunity to deepen science, mathematics, engineering, and technology skills.  The primary content focus will be to expand knowledge of current grade level standards in mathematics and science by applying that content in a real world, hands-on situation involving engineering and technology.  For second grade, themes will focus on the investigation of number sense, measurement, earth science, and physical science concepts.

    Students will participate in various hands-on STEM activities in this supplemental course to assist in the mastery of current grade level mathematics and science standards.

    Instructional Practices 
    Teaching from a range of complex text is optimized when teachers in all subject areas implement the following strategies on a routine basis:

    1. Ensuring wide reading from complex text that varies in length.
    2. Making close reading and rereading of texts central to lessons.
    3. Emphasizing text-specific complex questions, and cognitively complex tasks, reinforce focus on the text and cultivate independence.
    4. Emphasizing students supporting answers based upon evidence from the text.
    5. Providing extensive research and writing opportunities (claims and evidence).

    Science and Engineering Practices (NRC Framework for K-12 Science Education, 2010)

    • Asking questions (for science) and defining problems (for engineering).
    • Developing and using models.
    • Planning and carrying out investigations.
    • Analyzing and interpreting data.
    • Using mathematics, information and computer technology, and computational thinking.
    • Constructing explanations (for science) and designing solutions (for engineering).
    • Engaging in argument from evidence.
    • Obtaining, evaluating, and communicating information.

    English Language Development (ELD) Standards Special Notes Section:

    Teachers are required to provide listening, speaking, reading and writing instruction that allows English Language Learners (ELL) to communicate information, ideas and concepts for academic success in science and math.  For the given level of English language proficiency and with visual, graphic, or interactive support, students will interact with grade level words, expressions, sentences and discourse to process or produce language necessary for academic success.  The ELD standard should specify a relevant content area concept or topic of study chosen by curriculum developers and teachers which maximizes an ELL's need for communication and social skills.  To access an ELL supporting document which delineates performance definitions and descriptors, please click on the following link:  {{AzureStorageLink}}/uploads/docs/standards/eld/sc.pdf.

  • Foundational Skills in Mathematics K-2 (#5012005): This course supports students who need additional instruction in foundational mathematics skills as it relates to core instruction. Instruction will use explicit, systematic, and sequential approaches to mathematics instruction addressing all strands including number sense & operations, fractions, algebraic reasoning, geometric reasoning, measurement and data analysis & probability. Teachers will use the listed benchmarks that correspond to each students’ needs. 

    Effective instruction matches instruction to the need of the students in the group and provides multiple opportunities to practice the skill and receive feedback. The additional time allotted for this course is in addition to core instruction. The intervention includes materials and strategies designed to supplement core instruction.