New Mexico Standards
NM.A. Algebra: Students will understand algebraic concepts and applications.
K-4.A.1. Understand patterns, relations, and functions.
4.A.1.4. Use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences:
4.A.1.4.c. Use and interpret formulas (e.g., Area = Length x Width or A = L x W) to answer questions about quantities and their relationships
K-4.A.3. Use mathematical models to represent and understand quantitative relationships.
4.A.3.3. Use and interpret formulas (e.g., Area = Length x Width or A = L x W) to answer questions about quantities and their relationships.
NM.G. Geometry: Students will understand geometric concepts and applications.
K-4.G.4. Use visualization, spatial reasoning, and geometric modeling to solve problems.
4.G.4.3. Explore relationships involving perimeter and area:
4.G.4.3.a. Measure area of rectangular shapes and use appropriate units
4.G.4.3.c. Use models and formulas to solve problems involving perimeter and area of rectangles and squares (e.g., arrays)
NM.M. Measurement: Students will understand measurement systems and applications.
K-4.M.1. Understand measurable attributes of objects and the units, systems, and process of measurement.
4.M.1.1. Select the appropriate type of unit for measuring perimeter and size of an angle.
4.M.1.5. Develop, understand, and use formulas to find the area of rectangles and related triangles and parallelograms.
K-4.M.2. Apply appropriate techniques, tools, and formulas to determine measurements.
4.M.2.2. Find the area of rectangles, related triangles, and parallelograms.
4.M.2.3. Estimate, measure, and solve problems involving length, area, mass, time, and temperature using appropriate standard units and tools.