Grade 7 Units: First Six Weeks: Unit 1: Numerical Understanding: Integers and Positive Rational Numbers Unit 2: Numerical Operations: Integers and Positive Rational Numbers Second Six Weeks: Unit 3: Proportionality: Similar Figures, Representations, and Applications Unit 4: Geometry: Coordinate Plane, Graphing Transformations, and Perspectives Third Six Weeks: Unit 5: Algebraic Expressions and Equations Unit 6: Algebraic Representations and Applications Fourth Six Weeks: *Unit 7: Geometry and Measurement: Two-Dimensional Unit 8: Measurement: Three-Dimensional Fifth Six Weeks: Unit 9: Statistical Representations and Analysis Unit 10: Probability Sixth Six Weeks: Unit 11: Making Connections Unit 12: Catering Investigation Grade 8 Units: First Six Weeks: Unit 1: Numerical Understanding: Rational Numbers Unit 2: Numerical Operations: Rational Numbers Second Six Weeks: Unit 3: Proportionality: Representations and Applications Unit 4: Geometry: Transformations in the Coordinate Plane and Perspectives Third Six Weeks: Unit 5: Algebraic Representations and Applications Unit 6: Irrational Numbers and Pythagorean Theorem Fourth Six Weeks: *Unit 7: Measurement: Two- and Three-Dimensional Unit 8: Probability Fifth Six Weeks: Unit 9: Statistical Representations and Analysis Unit 10: Making Connections Sixth Six Weeks: Unit 11: Graphing Calculator Investigations Grade 7, Unit 7: Concepts: Geometry – Angles; Attributes Measurement – Angles Underlying Processes and Mathematical Tools – Tools to Solve Problems; Communication of Mathematical Ideas; Validation of Conclusions Key Understandings: Pairs of angles can be classified as complementary or supplementary and validated by the sum of their measures. Concepts: Geometry – Angles; Attributes; Two- Dimensional Figures Measurement – Attributes; Angles; Length Underlying Processes and Mathematical Tools – Tools to Solve Problems; Communication of Mathematical Ideas; Validation of Conclusions Key Understandings: Triangle and quadrilateral classifications are validated by the mathematical properties and relationships of angle measures and side measures. Concepts: Geometry – Attributes, Two Dimensional Figures; Art and Architecture Measurement – Attributes; Angles Underlying Process and Mathematical Tools – Mathematics in Everyday Situations; Conjectures; Validation of Conclusions Key Understandings: Geometric properties of triangles and quadrilaterals may be used to validate conjectures of missing angle measures of figures in real life-problem situations, such as art and architecture. Concepts: Geometry – Two-Dimensional Figures Measurement – Perimeter, Circumference, Area, Length, Units of Measure Underlying Processes and Mathematical Tools – Tools to Solve Problems; Communication of Mathematical Ideas Key Understandings: Linear measurements of a two-dimensional figure may be used to calculate the perimeter, circumference, or area and communicate the appropriate unit of measure. Concepts: Measurement – Formulas; Area; Perimeter; Circumference, Underlying Processes and Mathematical Tools – Mathematics in Everyday Situations; Tools to Solve Problems Key Understandings: Formulas for perimeter, circumference, and area can be generated and applied to solve real-life problem situations. Concepts: Measurement – Formulas Algebraic Reasoning – Equality; Equivalence Underlying Processes and Skills – Problem-Solving Model; Problem-Solving Plan or Strategy; Tools to Solve Problems; Validation of Conclusions Key Understandings: The process of evaluating a formula that must be rewritten to solve for another variable involves using a plan or strategy to keep the values on both sides of the formula equally balanced and validating the solution for reasonableness. Grade 8, Unit 7: Concepts: Geometry – Attributes; Two-Dimensional Figures; Three-Dimensional Figures Measurement – Surface Area; Volume Underlying Processes and Mathematical Tools – Mathematics in Everyday Situations; Tools to Solve Problems; Communication of Mathematical Ideas Key Understandings: Real-life problems may be modeled and measurement application problems may be solved using three-dimensional models built from two-dimensional models called nets. Concepts: Measurement – Area; Formulas; Surface Area Underlying Processes and Tools – Tools to Solve Problems; Communication of Mathematical Ideas Key Understandings: The relationship between the sum of individual areas and the formulas for surface area can be communicated with mathematical language. Concepts: Geometry – Two-Dimensional Figures Measurement – Formulas; Surface Area Underlying Processes and Tools – Tools to Solve Problems; Communication of Mathematical Ideas Key Understandings: Concrete models and nets of three-dimensional figures, such as prisms, pyramids, and cylinders, may be used to communicate the lateral and total surface area of these objects. Concepts: Geometry – Two-Dimensional Figures Measurement – Attributes; Formulas; Surface Area; Units of Measure Underlying Processes and Mathematical Tools – Tools to Solve Problems; Communication of Mathematical Ideas Key Understandings: Formulas for lateral and total surface area of prisms, cylinders, and pyramids may be applied to solve problem situations and communicate the appropriate unit of measure. Concepts: Geometry – Three-Dimensional Figures Measurement – Formulas; Volume Underlying Processes and Tools – Tools to Solve Problems; Communication of Mathematical Ideas Key Understandings: Concrete models of three-dimensional figures, such as prisms, pyramids, and cylinders, may be used to communicate the connection between these objects and formulas for volume. Concepts: Geometry – Three-Dimensional Figures Measurement – Attributes; Formulas; Volume; Units of Measure Underlying Processes and Mathematical Tools – Tools to Solve Problems; Communication of Mathematical Ideas Key Understandings: Formulas for volume of prisms, cylinders, pyramids, spheres, and cones may be applied to solve problem situations and communicate the appropriate unit of measure. Concepts: Measurement – Formulas; Surface Area; Volume Operations – Estimation Underlying Processes and Tools – Mathematics in Everyday Situations; Tools to Solve Problems Key Understandings: Real-life problem situations involving lateral surface area, total surface area, and volume are solved using estimation and formulas. Concepts: Spatial Reasoning – Similarity Measurement – Perimeter; Area; Surface Area; Volume; Dimensional Change Underlying Processes and Tools –Problem Solving Plan or Strategy; Tools to Solve Problems; Communication of Mathematical Ideas Key Understandings: If all dimensions of a figure are changed proportionally, the perimeter ratio is equivalent to the scale factor, the area ratio is equivalent to the scale factor squared, and the volume ratio is equivalent to the scale factor cubed. If all dimensions are not changed, the perimeter, area, and volume is affected, but must be recalculated. Concepts: Measurement – Formulas Algebraic Reasoning – Equality; Equivalence Underlying Processes and Skills – Problem-Solving Model; Problem-Solving Plan or Strategy; Tools to Solve Problems Key Understandings: The process of evaluating a formula that must be rewritten to solve for another variable involves using a plan or strategy to keep the values on both sides of the formula equally balanced.