Saxon's Math Intermediate 5 can be used in place of Saxon Math 6/5.

Saxon's incremental lessons provide daily practice and assessment in a "spiral" format; mathematical concepts are taught through informative lessons, diagrams, interactive activities, and investigations that build critical thinking as well as real-world problem solving skills. Saxon Intermediate 5 includes 12 sections, 120 lessons and 12 "investigations."

Textbook lessons are divided into three sections. The first section is "power-up practice," which is designed to improve speed, accuracy, and the ability to do mental math. The second part of the lesson is the "New Concept," which introduces a new math concept through examples. Thirdly, the "Written Practice" section reviews previously taught concepts through 25-30 problems in each lesson. One "Investigation" per 10-lesson section is included; "Investigations" are variations of the daily lesson and often involve activities that take up an entire class.

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Lesson 1 - Sequences - Digits |

Lesson 2 - Even and Odd Numbers |

Lesson 3 - Using Money to Illustrate Place Value |

Lesson 4 - Comparing Whole Numbers |

Lesson 5 - Naming Whole Numbers - Dollars and Cents |

Lesson 6 - Adding One-Digit Numbers - Addition Algorithm |

Lesson 7 - Writing and Comparing Numbers Through Hundred Thousands - Ordinal Numbers |

Lesson 8 - Subtraction Facts - Facts Families |

Lesson 9 - Practicing the Subtraction Algorithm |

Lesson 10 - Missing Addends |

Investigation 1 - Translating and Writing Word Problems |

Lesson 11 - Story Problems About Combining |

Lesson 12 - Lines - Number Lines - Tally Marks |

Lesson 13 - Multiplication as Repeated Addition - Adding and Subtracting Dollars and Cents |

Lesson 14 - Missing Numbers in Subtraction |

Lesson 15 - Making a Multiplication Table |

Lesson 16 - Story Problems About Separating |

Lesson 17 - Multiplying by One-Digit Numbers |

Lesson 18 - Multiplying Three Factors - Missing Numbers in Multiplication |

Lesson 19 - Division Facts |

Lesson 20 - Three Ways to Show Division |

Investigation 2 - Fractions: Halves, Fourths, and Tenths |

Lesson 21 - Problems About Equal Groups |

Lesson 22 - One-Digit Division with a Remainder - Divisibility by 2, 5, and 10 |

Lesson 23 - Recognizing Halves |

Lesson 24 - Parentheses - Associative Property |

Lesson 25 - Listing the Factors of Whole Numbers |

Lesson 26 - Division Algorithm |

Lesson 27 - Reading Scales |

Lesson 28 - Measuring Time |

Lesson 29 - Multiplying by Multiples of 10 and 100 |

Lesson 30 - Interpreting Pictures of Fractions and Percents |

Investigation 3 - Fractions: Thirds, Fifths, and Eighths |

Lesson 31 - Pairs of Lines - Angles |

Lesson 32 - Polygons |

Lesson 33 - Rounding Numbers Using a Number Line |

Lesson 34 - Division with Zeros in the Quotient |

Lesson 35 - Problems About Comparing - Problems About Elapsed Time |

Lesson 36 - Classifying Triangles |

Lesson 37 - Drawing Pictures of Fractions |

Lesson 38 - Fractions and Mixed Numbers on a Number Line |

Lesson 39 - Comparing Fractions by Drawing Pictures |

Lesson 40 - Pictures of Mixed Numbers - Writing Quotients as Mixed Numbers, Part 1 |

Investigation 4 - Pattern Recognition |

Lesson 41 - Adding and Subtracting Fractions with Common Denominators |

Lesson 42 - Short Division - Divisibility by 3, 6, and 9 |

Lesson 43 - Writing Quotients as Mixed Numbers Part 2 - Adding and Subtracting Whole Numbers, Fractions, and Mixed Numbers |

Lesson 44 - Measuring Lengths with a Ruler |

Lesson 45 - Classifying Quadrilaterals |

Lesson 46 - Stories About a Fraction of a Group |

Lesson 47 - Simplifying Mixed Measures |

Lesson 48 - Reading and Writing Whole Numbers |

Lesson 49 - Solving Two-Step Word Problems |

Lesson 50 - Finding an Average |

Investigation 5 - Organizing and Analyzing Data |

Lesson 51 - Multiplying by Two-Digit Numbers |

Lesson 52 - Naming Numbers Through Hundred Billions |

Lesson 53 - Perimeter - Measures of a Circle |

Lesson 54 - Dividing by Multiples of 10 |

Lesson 55 - Multiplying by Three-Digit Numbers |

Lesson 56 - Multiplying by Three-Digit Numbers That Include Zero |

Lesson 57 - Simple Probability |

Lesson 58 - Writing Quotients as Mixed Numbers, Part 3 |

Lesson 59 - Fractions Equal to 1 - Subtracting a Fraction from 1 |

Lesson 60 - Finding a Fraction to Complete a Whole |

Investigation 6 - Line Graphs |

Lesson 61 - Using Letters to Identify Geometric Figures |

Lesson 62 - Estimating Arithmetic Answers |

Lesson 63 - Subtracting a Fraction from a Whole Number Greater than 1 |

Lesson 64 - Using Money to Model Decimal Numbers |

Lesson 65 - Decimal Parts of a Meter |

Lesson 66 - Reading a Centimeter Scale |

Lesson 67 - Writing Tenths and Hundredths as Decimal Numbers |

Lesson 68 - Naming Decimal Numbers |

Lesson 69 - Fractions of a Second - Comparing and Ordering Decimal Numbers |

Lesson 70 - Writing Equivalent Decimal Numbers - Writing Cents Correctly |

Investigation 7 - Displaying Data |

Lesson 71 - Fractions, Decimals, and Percents |

Lesson 72 - Area, Part 1 |

Lesson 73 - Adding and Subtracting Decimal Numbers |

Lesson 74 - Converting Units of Length |

Lesson 75 - Changing Improper Fractions to Whole or Mixed Numbers |

Lesson 76 - Multiplying Fractions |

Lesson 77 - Converting Units of Weight and Mass |

Lesson 78 - Exponents and Square Root |

Lesson 79 - Finding Equivalent Fractions by Multiplying by 1 |

Lesson 80 - Prime and Composite Numbers |

Investigation 8 - Graphing Points on a Coordinate Plane - Transformations |

Lesson 81 - Reducing Fractions, Part 1 |

Lesson 82 - Greatest Common Factor (GCF) |

Lesson 83 - Properties of Geometric Solids |

Lesson 84 - Mean, Median, Mode, and Range |

Lesson 85 - Converting Units of Capacity |

Lesson 86 - Multiplying Fractions and Whole Numbers |

Lesson 87 - Using Manipulatives and Sketches to Divide Fractions |

Lesson 88 - Transformations |

Lesson 89 - Analyzing Prisms |

Lesson 90 - Reducing Fractions, Part 2 |

Investigation 9 - Performing Probability Experiments |

Lesson 91 - Simplifying Improper Fractions |

Lesson 92 - Dividing by Two-Digit Numbers |

Lesson 93 - Comparative Bar Graphs |

Lesson 94 - Using Estimation When Dividing by Two-Digit Numbers |

Lesson 95 - Reciprocals |

Lesson 96 - Using Reciprocals to Divide Fractions |

Lesson 97 - Ratios |

Lesson 98 - Temperature |

Lesson 99 - Adding and Subtracting Whole Numbers and Decimal Numbers |

Lesson 100 - Simplifying Decimal Numbers |

Investigation 10 - Measuring Angles |

Lesson 101 - Rounding Mixed Numbers to the Nearest Whole Number |

Lesson 102 - Subtracting Decimal Numbers Using Zeros |

Lesson 103 - Volume |

Lesson 104 - Rounding Decimal Numbers to the Nearest Whole Number |

Lesson 106 - Reading and Ordering Decimal Numbers Through Ten-Thousandths |

Lesson 107 - Using Percent to Name Part of a Group |

Lesson 108 - Schedules |

Lesson 109 - Multiplying Decimal Numbers |

Lesson 110 - Multiplying Decimal Numbers - Using Zeros as Placeholders |

Investigation 11 - Scale Drawings |

Lesson 111 - Multiplying Decimal Numbers by 10, by 100, and by 1000 |

Lesson 112 - Finding the Least Common Multiple of Two Numbers |

Lesson 113 - Writing Mixed Numbers as Improper Fractions |

Lesson 114 - Using Formulas |

Lesson 115 - Area, Part 2 |

Lesson 116 - Finding Common Denominators to Add, Subtract, and Compare Fractions |

Lesson 117 - Dividing a Decimal Number by a Whole Number |

Lesson 118 - Using Zero as a Placeholder - Dividing Decimal Numbers by 10, 100, and 1000 |

Lesson 119 - Dividing by a Decimal Number |

Lesson 120 - Multiplying Mixed Numbers |

Investigation 12 - Tessellations |