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Mathematics Curriculum Framework
November 2000

Learning Standards by Strand

Number Sense and Operations
for Grades PreK-K

	Understand numbers, ways of representing numbers, relationships among numbers, and number systems
	Understand meanings of operations and how they relate to one another
	Compute fluently and make reasonable estimates

Learning Standards

Students engage in problem solving, communicating, reasoning, connecting, and representing as they:

K.N.1	Count by ones to at least 20.
K.N.2	Match quantities up to at least 10 with numerals and words.
K.N.3	Identify positions of objects in sequences (e.g., first, second) up to fifth.
K.N.4	Compare sets of up to at least 10 concrete objects using appropriate language (e.g., none, more than, fewer than, same number of, one more than) and order numbers.
K.N.5	Understand the concepts of whole and half.
K.N.6	Identify U.S. coins by name.
K.N.7	Use objects and drawings to model and solve related addition and subtraction problems to ten.
K.N.8	Estimate the number of objects in a group and verify results.

Exploratory Concepts and Skills

• Count by ones, beginning from any number in the counting sequence.
• Represent quantities using concrete objects, and investigate the partitioning of sets. Identify equal parts of groups.
• Create problems that can be solved using addition and subtraction.

Selected Problems or Classroom Activities
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