The document provides an overview of the K to 12 Mathematics curriculum guide for the Philippines. It outlines the conceptual framework, which identifies critical thinking and problem solving as the twin goals of mathematics education from K-10. It also identifies five content areas (numbers and number sense, measurement, geometry, patterns and algebra, probability and statistics) and six skills and processes. The curriculum is grounded in experiential learning theories and aims to develop understanding and appreciation of mathematics that can be applied to problem solving and decision making in real life. The document provides grade-level standards and learning competencies for Grade 1 that focus on developing understanding of numbers, operations, fractions, measurement, geometry and patterns.