This document contains the revisions to the 5-8 Mathematics curriculum produced for Manitoba (Canada) teachers. It contains an introduction and seven content sections: Problem Solving, Algebra, Data Management, Geometry, Measurement, Number Concepts, and Number Operations. The introduction includes discussion of: rationale, goals, big ideas (mathematical reasoning; patterns and problem solving; mental mathematics; communication; connections; and review, drill, and practice), the seven strand areas, instructional practices, use of technology, changes from previous curriculum guides, assessment and evaluation, resources, and information for parents. Each of the seven strand sections contains a discussion of the topic, goals, and examples. Appendices include: "Kinds of Problem Solving,""Principles to be Used in Calculation,""Subtraction Algorithms," and "Division Algorithms." (MKR)