1 Section 1 Lessons 1—10, Investigation 1 Lesson 1:  Arithmetic with Whole Numbers and Money / Variables and Evaluation Also consider: Lesson 1:  Arithmetic with Whole Numbers and Money / Variables and Evaluation Also consider: Lesson 2:  Properties of Operations Lesson 2:  Properties of Operations Lesson 3:  Unknown Numbers in Addition, Subtraction, Multiplication, and Division Lesson 3:  Unknown Numbers in Addition, Subtraction, Multiplication, and Division Lesson 4:  Number Line / Sequences Number Line Sequences Lesson 4:  Number Line / Sequences Number Line Sequences Lesson 5:  Place Value Through Hundred Trillions / Reading and Writing Whole Numbers Lesson 5:  Place Value Through Hundred Trillions / Reading and Writing Whole Numbers Lesson 6:  Factors / Divisibility Lesson 6:  Factors / Divisibility Lesson 7:  Lines, Angles and Planes Lesson 7:  Lines, Angles and Planes Lesson 8:  Fractions and Percents / Inch Ruler Lesson 8:  Fractions and Percents / Inch Ruler Lesson 9:  Adding, Subtracting, and Multiplying Fractions / Reciprocals Lesson 9:  Adding, Subtracting, and Multiplying Fractions / Reciprocals Lesson 10:  Writing Division Answers as Mixed Numbers / Improper Fractions Lesson 10:  Writing Division Answers as Mixed Numbers / Improper Fractions Investigation 1:  Investigating Fractions and Percents with Manipulatives Investigation 1:  Investigating Fractions and Percents with Manipulatives
 2 Section 2 Lessons 11—20, Investigation 2 Lesson 11:  Problems About Combining / Problems About Separating Lesson 11:  Problems About Combining / Problems About Separating Lesson 12:  Problems About Comparing / Elapsed-Time Problems Lesson 12:  Problems About Comparing / Elapsed-Time Problems Lesson 13:  Problems About Equal Groups Lesson 13:  Problems About Equal Groups Lesson 14:  Problems About Parts of a Whole / Simple Probability Lesson 14:  Problems About Parts of a Whole / Simple Probability Lesson 15:  Equivalent Fractions / Reducing Fractions, Part 1 Lesson 15:  Equivalent Fractions / Reducing Fractions, Part 1 Lesson 16:  U.S. Customary System / Function Tables Lesson 16:  U.S. Customary System / Function Tables Lesson 17:  Measuring Angles with a Protractor Lesson 17:  Measuring Angles with a Protractor Lesson 18:  Polygons / Similar and Congruent Lesson 18:  Polygons / Similar and Congruent Lesson 19:  Perimeter Lesson 19:  Perimeter Lesson 20:  Exponents / Rectangular Area, Part 1 / Square Root Lesson 20:  Exponents / Rectangular Area, Part 1 / Square Root Investigation 2:  Using a Compass and Straightedge, Part 1 Investigation 2:  Using a Compass and Straightedge, Part 1
 3 Section 3 Lessons 21—30, Investigation 3 Lesson 21:  Prime and Composite Numbers / Prime Factorization Lesson 21:  Prime and Composite Numbers / Prime Factorization Lesson 22:  Problems About a Fraction of a Group Lesson 22:  Problems About a Fraction of a Group Lesson 23:  Subtracting Mixed Numbers with Regrouping Lesson 23:  Subtracting Mixed Numbers with Regrouping Lesson 24:  Reducing Fractions, Part 2 Lesson 24:  Reducing Fractions, Part 2 Lesson 25:  Dividing Fractions Lesson 25:  Dividing Fractions Lesson 26:  Multiplying and Dividing Mixed Numbers Lesson 26:  Multiplying and Dividing Mixed Numbers Lesson 27:  Multiples / Least Common Multiple / Equivalent Division Problems Lesson 27:  Multiples / Least Common Multiple / Equivalent Division Problems Lesson 28:  Two-Step Word Problems / Average, Part 1 Lesson 28:  Two-Step Word Problems / Average, Part 1 Lesson 29:  Rounding Whole Numbers / Rounding Mixed Numbers / Estimating Answers Lesson 29:  Rounding Whole Numbers / Rounding Mixed Numbers / Estimating Answers Lesson 30:  Common Denominators / Adding and Subtracting Fractions with Different Denominators Lesson 30:  Common Denominators / Adding and Subtracting Fractions with Different Denominators Investigation 3:  Coordinate Plane Investigation 3:  Coordinate Plane
 4 Section 4 Lessons 31—40, Investigation 4 Lesson 31:  Reading and Writing Decimal Numbers Lesson 31:  Reading and Writing Decimal Numbers Lesson 32:  Metric System Lesson 32:  Metric System Lesson 33:  Comparing Decimals / Rounding Decimals Lesson 33:  Comparing Decimals / Rounding Decimals Lesson 34:  Decimal Numbers on the Number Line Lesson 34:  Decimal Numbers on the Number Line Lesson 35:  Adding Subtracting, Multiplying, and Dividing Decimal Numbers Also consider: Lesson 35:  Adding Subtracting, Multiplying, and Dividing Decimal Numbers Also consider: Lesson 36:  Ratio / Sample Space Lesson 36:  Ratio / Sample Space Lesson 37:  Area of a Triangle / Rectangular Area, Part 2 Lesson 37:  Area of a Triangle / Rectangular Area, Part 2 Lesson 38:  Interpreting Graphs Lesson 38:  Interpreting Graphs Lesson 39:  Proportions Also consider: Lesson 39:  Proportions Also consider: Lesson 40:  Sum of the Angle Measures of a Triangle / Angle Pairs Lesson 40:  Sum of the Angle Measures of a Triangle / Angle Pairs Investigation 4:  Stem-and-Leaf Plots, Box-and-Whisker Plots Investigation 4:  Stem-and-Leaf Plots, Box-and-Whisker Plots
 5 Section 5 Lessons 41—50, Investigation 5 Lesson 41:  Using Formulas / Distributive Property Lesson 41:  Using Formulas / Distributive Property Lesson 42:  Repeating Decimals Lesson 42:  Repeating Decimals Lesson 43:  Converting Decimals to Fractions / Converting Fractions to Decimals / Converting Percents to Decimals Lesson 43:  Converting Decimals to Fractions / Converting Fractions to Decimals / Converting Percents to Decimals Lesson 44:  Division Answers Lesson 44:  Division Answers Lesson 45:  Dividing by a Decimal Number Lesson 45:  Dividing by a Decimal Number Lesson 46:  Rates Lesson 46:  Rates Lesson 47:  Powers of 10 Lesson 47:  Powers of 10 Lesson 48:  Fraction-Decimal-Percent Equivalents Lesson 48:  Fraction-Decimal-Percent Equivalents Lesson 49:  Adding and Subtracting Mixed Measures Lesson 49:  Adding and Subtracting Mixed Measures Lesson 50:  Unit Multipliers and Unit Conversion Lesson 50:  Unit Multipliers and Unit Conversion Investigation 5:  Creating Graphs Investigation 5:  Creating Graphs
 6 Section 6 Lessons 51—60, Investigation 6 Lesson 51:  Scientific Notation for Larger Numbers Lesson 51:  Scientific Notation for Larger Numbers Lesson 52:  Order of Operations Lesson 52:  Order of Operations Lesson 53:  Ratio Word Problems Lesson 53:  Ratio Word Problems Lesson 54:  Rate Word Problems Lesson 54:  Rate Word Problems Lesson 55:  Average and Rate Problems with Multiple Steps Lesson 55:  Average and Rate Problems with Multiple Steps Lesson 56:  Plotting Functions Lesson 56:  Plotting Functions Lesson 57:  Negative Exponents / Scientific Notation for Small Numbers Lesson 57:  Negative Exponents / Scientific Notation for Small Numbers Lesson 58:  Symmetry Lesson 58:  Symmetry Lesson 59:  Adding Integers on the Number Line Lesson 59:  Adding Integers on the Number Line Lesson 60:  Fractional Part of a Number, Part 1 / Percent of a Number, Part 1 Lesson 60:  Fractional Part of a Number, Part 1 / Percent of a Number, Part 1 Investigation 6:  Classifying Quadrilaterals Investigation 6:  Classifying Quadrilaterals
 7 Section 7 Lessons 61—70, Investigation 7 Lesson 61:  Area of a Parallelogram / Angles of a Parallelogram Lesson 61:  Area of a Parallelogram / Angles of a Parallelogram Lesson 62:  Classifying Triangles Lesson 62:  Classifying Triangles Lesson 63:  Symbols of Inclusion Lesson 63:  Symbols of Inclusion Lesson 64:  Adding Positive and Negative Numbers Also consider: Lesson 64:  Adding Positive and Negative Numbers Also consider: Lesson 65:  Circumference and Pi Lesson 65:  Circumference and Pi Lesson 66:  Ratio Problems Involving Totals Lesson 66:  Ratio Problems Involving Totals Lesson 67:  Geometric Solids Lesson 67:  Geometric Solids Lesson 68:  Algebraic Addition Also consider: Lesson 68:  Algebraic Addition Also consider: Lesson 69:  Proper Form of Scientific Notation Lesson 69:  Proper Form of Scientific Notation Lesson 70:  Volume Lesson 70:  Volume Investigation 7:  Balanced Equations Investigation 7:  Balanced Equations
 8 Section 8 Lessons 71—80, Investigation 8 Lesson 71:  Finding the Whole Group When a Fraction is Known Lesson 71:  Finding the Whole Group When a Fraction is Known Lesson 72:  Implied Ratios Lesson 72:  Implied Ratios Lesson 73:  Multiplying and Dividing Positive and Negative Numbers Also consider: Lesson 73:  Multiplying and Dividing Positive and Negative Numbers Also consider: Lesson 74:  Fractional Part of a Number, Part 2 Lesson 74:  Fractional Part of a Number, Part 2 Lesson 75:  Area of a Complex Figure / Area of a Trapezoid Lesson 75:  Area of a Complex Figure / Area of a Trapezoid Lesson 76:  Complex Fractions Lesson 76:  Complex Fractions Lesson 77:  Percent of a Number, Part 2 Lesson 77:  Percent of a Number, Part 2 Lesson 78:  Graphing Inequalities Lesson 78:  Graphing Inequalities Lesson 79:  Estimating Areas Lesson 79:  Estimating Areas Lesson 80:  Transformations Lesson 80:  Transformations Investigation 8:  Probability and Odds / Compound Events / Experimental Probability Investigation 8:  Probability and Odds / Compound Events / Experimental Probability
 9 Section 9 Lessons 81—90, Investigation 9 Lesson 81:  Using Proportions to Solve Percent Problems Lesson 81:  Using Proportions to Solve Percent Problems Lesson 82:  Area of a Circle Lesson 82:  Area of a Circle Lesson 83:  Multiplying Numbers in Scientific Notation Lesson 83:  Multiplying Numbers in Scientific Notation Lesson 84:  Algebraic Terms Lesson 84:  Algebraic Terms Lesson 85:  Order of Operations with Positive and Negative Numbers Lesson 85:  Order of Operations with Positive and Negative Numbers Lesson 86:  Number Families Lesson 86:  Number Families Lesson 87:  Multiplying Algebraic Terms Lesson 87:  Multiplying Algebraic Terms Lesson 88:  Multiple Unit Multipliers Also consider: Lesson 88:  Multiple Unit Multipliers Also consider: Lesson 89:  Diagonals / Interior Angles / Exterior Angles Lesson 89:  Diagonals / Interior Angles / Exterior Angles Lesson 90:  Mixed Number Coefficients / Negative Coefficients Lesson 90:  Mixed Number Coefficients / Negative Coefficients Investigation 9:  Graphing Functions Investigation 9:  Graphing Functions
 10 Section 10 Lessons 91—100, Investigation 10 Lesson 91:  Evaluations with Positive and Negative Numbers Lesson 91:  Evaluations with Positive and Negative Numbers Lesson 92:  Percent of Change Lesson 92:  Percent of Change Lesson 93:  Two-Step Equations and Inequalities Lesson 93:  Two-Step Equations and Inequalities Lesson 94:  Probability of Dependent Events Lesson 94:  Probability of Dependent Events Lesson 95:  Volume of a Right Solid Also consider: Lesson 95:  Volume of a Right Solid Also consider: Lesson 96:  Estimating Angle Measures / Distributive Property with Algebraic Terms Lesson 96:  Estimating Angle Measures / Distributive Property with Algebraic Terms Lesson 97:  Similar Triangles / Indirect Measurement Lesson 97:  Similar Triangles / Indirect Measurement Lesson 98:  Scale / Scale Factor Also consider: Lesson 98:  Scale / Scale Factor Also consider: Lesson 99:  Pythagorean Theorem Lesson 99:  Pythagorean Theorem Lesson 100:  Estimating Square Roots / Irrational Numbers Lesson 100:  Estimating Square Roots / Irrational Numbers Investigation 10:  Using a Compass and Straightedge, Part 2 Investigation 10:  Using a Compass and Straightedge, Part 2
 11 Section 11 Lessons 101—110, Investigation 11 Lesson 101:  Translating Expressions into Equations Also consider: Lesson 101:  Translating Expressions into Equations Also consider: Lesson 102:  Transversals / Simplifying Equations Lesson 102:  Transversals / Simplifying Equations Lesson 103:  Powers of Negative Numbers / Dividing Terms / Square Roots of Monomials Lesson 103:  Powers of Negative Numbers / Dividing Terms / Square Roots of Monomials Lesson 104:  Semicircles, Arcs, and Sectors Also consider: Lesson 104:  Semicircles, Arcs, and Sectors Also consider: Lesson 105:  Surface Area of a Right Solid / Surface Area of a Sphere Lesson 105:  Surface Area of a Right Solid / Surface Area of a Sphere Lesson 106:  Solving Literal Equations / Transforming Formulas / More on Roots Lesson 106:  Solving Literal Equations / Transforming Formulas / More on Roots Lesson 107:  Slope Lesson 107:  Slope Lesson 108:  Formulas and Substitution Lesson 108:  Formulas and Substitution Lesson 109:  Equations with Exponents Lesson 109:  Equations with Exponents Lesson 110:  Simple Interest and Compound Interest / Successive Discounts Also consider: Lesson 110:  Simple Interest and Compound Interest / Successive Discounts Also consider: Investigation 11:  Scale Factor in Surface Area and Volume Investigation 11:  Scale Factor in Surface Area and Volume
 12 Section 12 Lessons 111—120, Investigation 12 Lesson 111:  Dividing in Scientific Notation Lesson 111:  Dividing in Scientific Notation Lesson 112:  Applications of the Pythagorean Theorem Lesson 112:  Applications of the Pythagorean Theorem Lesson 113:  Volume of Pyramids, Cones, and Spheres Lesson 113:  Volume of Pyramids, Cones, and Spheres Lesson 114:  Volume, Capacity, and Mass in the Metric System Lesson 114:  Volume, Capacity, and Mass in the Metric System