Table of Contents

Topic 8 Understand Place Value
 81 Make Numbers 11 to 19
 82 Numbers Made with Tens
 83 Count with Groups of Tens and Leftovers
 84 Tens and Ones
 85 Continue with Tens and Ones
 86 Math Practices and Problem Solving: Look for and Use Structure

Topic 9 Compare TwoDigit Numbers
 91 1 More, 1 Less; 10 More, 10 Less
 92 Make Numbers on a Hundred Chart
 93 Compare Numbers
 94 Compare Numbers with Symbols (>, <, =)
 95 Compare Numbers on a Number Line
 96 Math Practices and Problem Solving: Make Sense and Persevere

Topic 10 Use Models and Strategies to Add Tens and Ones
 101 Add Tens Using Models
 102 Mental Math: Ten More Than a Number
 103 Add Tens and Ones Using a Hundred Chart
 104 Add Tens and Ones Using an Open Number Line
 105 Add Tens and Ones Using Models
 106 Make a Ten to Add
 107 Add Using Place Value
 108 Practice Adding Using Strategies
 109 Math Practices and Problem Solving: Model with Math

Topic 11 Use Models and Strategies to Subtract Tens
 111 Subtract Tens Using Models
 112 Subtract Tens Using a Hundred Chart
 113 Subtract Tens Using an Open Number Line
 114 Use Addition to Subtract Tens
 115 Mental Math: Ten Less Than a Number
 116 Use Strategies to Practice Subtraction
 117 Math Practices and Problem Solving: Model with Math

Topic 12 Measure Lengths
 121 Compare and Order by Length
 122 Indirect Measurement
 123 Use Units to Measure Length
 124 Continue to Measure Length
 125 Math Practices and Problem Solving: Use Appropriate Tools

Topic 13 Time
 131 Understand the Hour and Minute Hands
 132 Tell and Write Time to the Hour
 133 Tell and Write Time to the Half Hour
 134 Math Practices and Problem Solving: Reasoning

Topic 14 Reason with Shapes and Their Attributes
 141 Use Attributes to Define TwoDimensional (2D) Shapes
 142 Defining and NonDefining Attributes of 2D Shapes
 143 Build and Draw 2D Shapes by Attributes
 144 Compose 2D Shapes
 145 Compose New 2D Shapes from 2D Shapes
 146 Use Attributes to Define ThreeDimensional (3D) Shapes
 147 Defining and NonDefining Attributes of 3D Shapes
 148 Compose with 3D Shapes
 149 Math Practices and Problem Solving: Make Sense and Persevere

Topic 15 Equal Shares of Circles and Rectangles
 151 Make Equal Shares
 152 Make Halves and Fourths of Rectangles and Circles
 153 Understand Halves and Fourths
 154 Math Practices and Problem Solving: Model with Math