NCTM standards supported by Quadsum™ include:

• Number Operations
• 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.

• Algebra
• Understand patterns, relations, and functions.
• Use mathematical models to represent and understand quantitative relationships.
• Analyze change in various contexts.

• Problem Solving
• Build new mathematical knowledge through problem solving.
• Solve problems that arise in mathematics and in other contexts.
• Apply and adapt a variety of appropriate strategies to solve problems.
• Monitor and reflect on the process of mathematical problem solving.

• Reasoning and Proof
• Make and investigate mathematical conjectures
• Develop and evaluate mathematical arguments and proofs
• Select and use various types of reasoning and methods of proof

• Communication
• Use the language of mathematics to express mathematical ideas precisely.

• Connections
• Recognize and use connections among mathematical ideas.
• Understand how mathematical ideas interconnect and build on one another to produce a coherent whole.
• Recognize and apply mathematics in contexts outside of mathematics.

• Representation
• Create and use representations to organize, record, and communicate mathematical ideas.
• Use representations to model and interpret physical, social, and mathematical phenomena.