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

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Compare the value of a digit when it is represented in a different place of two three-digit numbers (e.g., The digit 2 in 124 is ten times the digit 2 in 472).

#### Essential Understandings

Concrete:

• Given two models of base ten blocks on a place value chart, compare the value of the same digit used in different place value positions (e.g., 23 where 2 represents 2 tens and 42 where 2 represents 2 ones).
Representation:
• Recognize the value of a digit based on its place in a two-digit number (e.g., the 2 in 25 represents 2 tens or 20).
• Compare the value of the same digit used in different place value positions (e.g., 23 where 2 represents 2 tens and 42 where 2 represents 2 ones).

 Number: MAFS.4.NBT.1.AP.1a Category: Access Points Date Adopted or Revised: 06/14 Cluster: Generalize place value understanding for multi-digit whole numbers. (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.

#### Related Standards

 Name Description MAFS.4.NBT.1.1: Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right. For example, recognize that 700 ÷ 70 = 10 by applying concepts of place value and division.

#### Related Courses

 Name Description 5012060: Mathematics - Grade Four 7712050: Access Mathematics Grade 4 5012065: Grade 4 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.