Access Point #: MAFS.4.NF.1.AP.1a (Archived Access Point)


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Determine equivalent fractions using visual fraction models and a number line.

Clarifications:

Essential Understandings

Concrete:

  • Given a fraction (with a denominator of 2, 4, or 8), model the fraction with manipulatives.
  • Use manipulatives to determine an equivalent fraction (with a denominator of 2, 4, or 8).
Representation:
  • Use two number lines:
  • Locate a given fraction with a denominator of 2, 4, or 8 on the first number line (divided into parts matching the denominator of the fraction).
  • Locate the equivalent fraction with a denominator of 2, 4, or 8 on the second number line (divided into parts matching the denominator of the equivalent fraction) (e.g., 2/4 = 4/8 because they share the same location on each number line).
  • Understand the following concepts of equal, equivalent fraction, and number line.

    number lines

Number: MAFS.4.NF.1.AP.1a Category: Access Points
Date Adopted or Revised: 06/14 Cluster: Extend understanding of fraction equivalence and ordering. (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.