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In this Unit of Study…

Students will count, read, write, and represent numbers up to 20 with or without objects and pictures. They will learn the concept of cardinality by counting sets up to 20 and understanding that the final number represents the total number of objects in the given set. They will explore how the same number of objects can be arranged differently. Students will match and write numerals for numbers 0-20.

B.E.S.T. Benchmarks:

  • MA.K.NSO.2.1 Recite the number names to 100 by ones and tens. Starting at a given number, count forward within 100 10 and backward within 20. 
  • MA.K.NSO.1.1 Given a group of up to 20 objects, count the number of objects in that group and represent the number of objects with a written numeral. State the number of objects in a rearrangement of that group without recounting. 
  • MA.K.NSO.1.2 Given a number from 0 to 20, count out that many objects. 

Key Concepts:

  • Fluency: Count backwards within 20
  • Count and represent 11-20
  • Identify and write numerals 11-20