# Access Point #: MAFS.4.OA.2.AP.4b (Archived Access Point)

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Identify factors of whole numbers within 30.

#### Essential Understandings

Concrete:

• Divide up to 30 manipulatives into equal groups to determine the factors.
Representation:
• Understand the following concepts and vocabulary: whole number, factor and equal.
• Identify the factors as the number of groups and the number in each equal group.

 Number: MAFS.4.OA.2.AP.4b Category: Access Points Cluster: Gain familiarity with factors and multiples. (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.OA.2.4: Investigate factors and multiples.Find all factor pairs for a whole number in the range 1–100.Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1–100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1–100 is prime or composite.

#### Related Courses

 Name Description 5012060: Mathematics - Grade Four 7712050: Access Mathematics Grade 4 5012055: Grade 3 Accelerated Mathematics 5012015: Foundational Skills in Mathematics 3-5

#### 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.