The document is the K to 12 Curriculum Guide for Mathematics from Kindergarten to Grade 10 in the Philippines. It outlines the conceptual framework, brief course description, learning area standards, key stage standards, grade level standards, and sample grade level content for Grade 1. The goals of mathematics education are developing critical thinking and problem solving skills. Key concepts include numbers, measurement, geometry, patterns and algebra, and probability and statistics. The curriculum is based on theories of experiential learning, constructivism, and inquiry-based learning.