Standard #: MAFS.2.MD.2.6 (Archived Standard)


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Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram.


General Information

Subject Area: Mathematics
Grade: 2
Domain-Subdomain: Measurement and Data
Cluster: Relate addition and subtraction to length. (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.

Date Adopted or Revised: 02/14
Date of Last Rating: 02/14
Status: State Board Approved - Archived

Related Courses

Course Number1111 Course Title222
5012040: Mathematics - Grade Two (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current))
7712030: Access Mathematics Grade 2 (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2022, 2022 and beyond (current))
5020090: STEM Lab Grade 2 (Specifically in versions: 2016 - 2022, 2022 and beyond (current))
5012005: Foundational Skills in Mathematics K-2 (Specifically in versions: 2019 - 2022, 2022 and beyond (current))


Related Resources

Formative Assessments

Name Description
Representing Numbers with Length

Students are asked to find a number that was represented by a length on an incomplete number line.

Representing Nine on the Number Line

Students are asked to scale a number line and use it to draw a segment of length nine.

Differences on a Number Line

Students use a number line to find to the difference between 17 and 42.

Sums on a Number Line

Students use a number line to add 23 and 19 and to find a segment whose length is the sum of 23 and 19.

Lesson Plan

Name Description
Get Up and Go! with Addition and Subtraction

The lesson involves students adding and subtracting on a number line while follwoing a story that explains the amount of time taken to get ready in the morning. Students will write addition and subtraction equations to represent the parts of the story.

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