#### MA standards for Math: Number Sense and Operations

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 and words. K.N.3 Identify positions of objects in (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 of sets. Identify equal parts of groups.
• Create problems that can be solved using addition and subtraction.

Non-profit Tax ID # 203478467