Table of Contents
Introduction ................................................................................................... i–iv
What is Engaging Mathematics, Volume I: Grade 2? ............................................ iii
What is found in an Engaging Mathematics TEKS-based activity? .......................... iv
Number and operations .............................................................................. 2–109
Composing and Decomposing Numbers, Activity 1 2(2)(A) .................................. 2
Composing and Decomposing Numbers, Activity 2 2(2)(A) .................................. 6
Composing and Decomposing Numbers, Activity 3 2(2)(A) .................................. 8
Composing and Decomposing Numbers, Activity 4 2(2)(A) ................................. 12
Representing Numbers, Activity 1 2(2)(B) ....................................................... 14
Representing Numbers, Activity 2 2(2)(B) ....................................................... 18
Representing Numbers, Activity 3 2(2)(B) ....................................................... 22
Generating Numbers, Activity 1 2(2)(C) .......................................................... 26
Generating Numbers, Activity 2 2(2)(C) .......................................................... 28
Comparing and Ordering Numbers, Activity 1 2(2)(D) ....................................... 32
Comparing and Ordering Numbers, Activity 2 2(2)(D) ....................................... 36
Comparing and Ordering Numbers, Activity 3 2(2)(D) ....................................... 38
Comparing and Ordering Numbers, Activity 4 2(2)(D) ....................................... 42
Locating Positions on an Open Number Line, Activity 1 2(2)(E) ........................... 44
Locating Positions on an Open Number Line, Activity 2 2(2)(E) ........................... 46
Naming Points on a Number Line, Activity 1 2(2)(F) .......................................... 48
Naming Points on a Number Line, Activity 2 2(2)(F) .......................................... 50
Partitioning Objects 2(3)(A), 2(3)(D) .............................................................. 54
Explaining Fractional-Part Relationships 2(3)(B), 2(3)(A) ................................... 58
Counting Parts Beyond a Whole 2(3)(C) .......................................................... 60
Recalling Addition and Subtraction Facts, Activity 1 2(4)(A) ............................... 64
Recalling Addition and Subtraction Facts, Activity 2 2(4)(A) ............................... 66
Adding 2(4)(B) ............................................................................................ 68
Adding and Subtracting 2(4)(B) ..................................................................... 70
Solving Addition and Subtraction Problems, Activity 1 2(4)(C) ............................ 74
Solving Addition and Subtraction Problems, Activity 2 2(4)(C) ............................ 78
Solving Addition and Subtraction Problems, Activity 3 2(4)(C) ............................ 80
Generating and Solving Addition and Subtraction Problems 2(4)(D) ..................... 82
Determining the Value of a Collection of Coins, Activity 1 2(5)(A), 2(5)(B) ........... 84
Determining the Value of a Collection of Coins, Activity 2 2(5)(A), 2(5)(B) ........... 88
Determining the Value of a Collection of Coins, Activity 3 2(5)(A) ....................... 92
Using the Cent Symbol, Dollar Sign, and Decimal Point 2(5)(B), 2(5)(A) .............. 96
Joining Equivalent Sets, Activity 1 2(6)(A) ....................................................... 98
Joining Equivalent Sets, Activity 2 2(6)(A) ..................................................... 100
Joining Equivalent Sets, Activity 3 2(6)(A) ..................................................... 102
Separating Into Equivalent Sets, Activity 1 2(6)(B) ......................................... 104
Separating Into Equivalent Sets, Activity 2 2(6)(B) ......................................... 106
Separating Into Equivalent Sets, Activity 3 2(6)(B) ......................................... 108
Algebraic reasoning ............................................................................... 110–123
Determining More or Less 2(7)(B) ................................................................ 110
Representing and Solving Addition and Subtraction Problems, Activity 1 2(7)(C) . 114
Representing and Solving Addition and Subtraction Problems, Activity 2 2(7)(C) . 118
Representing and Solving Addition and Subtraction Problems, Activity 3 2(7)(C) . 122
Introduction ................................................................................................... i–iv
What is Engaging Mathematics, Volume I: Grade 2? ............................................ iii
What is found in an Engaging Mathematics TEKS-based activity? .......................... iv
Number and operations .............................................................................. 2–109
Composing and Decomposing Numbers, Activity 1 2(2)(A) .................................. 2
Composing and Decomposing Numbers, Activity 2 2(2)(A) .................................. 6
Composing and Decomposing Numbers, Activity 3 2(2)(A) .................................. 8
Composing and Decomposing Numbers, Activity 4 2(2)(A) ................................. 12
Representing Numbers, Activity 1 2(2)(B) ....................................................... 14
Representing Numbers, Activity 2 2(2)(B) ....................................................... 18
Representing Numbers, Activity 3 2(2)(B) ....................................................... 22
Generating Numbers, Activity 1 2(2)(C) .......................................................... 26
Generating Numbers, Activity 2 2(2)(C) .......................................................... 28
Comparing and Ordering Numbers, Activity 1 2(2)(D) ....................................... 32
Comparing and Ordering Numbers, Activity 2 2(2)(D) ....................................... 36
Comparing and Ordering Numbers, Activity 3 2(2)(D) ....................................... 38
Comparing and Ordering Numbers, Activity 4 2(2)(D) ....................................... 42
Locating Positions on an Open Number Line, Activity 1 2(2)(E) ........................... 44
Locating Positions on an Open Number Line, Activity 2 2(2)(E) ........................... 46
Naming Points on a Number Line, Activity 1 2(2)(F) .......................................... 48
Naming Points on a Number Line, Activity 2 2(2)(F) .......................................... 50
Partitioning Objects 2(3)(A), 2(3)(D) .............................................................. 54
Explaining Fractional-Part Relationships 2(3)(B), 2(3)(A) ................................... 58
Counting Parts Beyond a Whole 2(3)(C) .......................................................... 60
Recalling Addition and Subtraction Facts, Activity 1 2(4)(A) ............................... 64
Recalling Addition and Subtraction Facts, Activity 2 2(4)(A) ............................... 66
Adding 2(4)(B) ............................................................................................ 68
Adding and Subtracting 2(4)(B) ..................................................................... 70
Solving Addition and Subtraction Problems, Activity 1 2(4)(C) ............................ 74
Solving Addition and Subtraction Problems, Activity 2 2(4)(C) ............................ 78
Solving Addition and Subtraction Problems, Activity 3 2(4)(C) ............................ 80
Generating and Solving Addition and Subtraction Problems 2(4)(D) ..................... 82
Determining the Value of a Collection of Coins, Activity 1 2(5)(A), 2(5)(B) ........... 84
Determining the Value of a Collection of Coins, Activity 2 2(5)(A), 2(5)(B) ........... 88
Determining the Value of a Collection of Coins, Activity 3 2(5)(A) ....................... 92
Using the Cent Symbol, Dollar Sign, and Decimal Point 2(5)(B), 2(5)(A) .............. 96
Joining Equivalent Sets, Activity 1 2(6)(A) ....................................................... 98
Joining Equivalent Sets, Activity 2 2(6)(A) ..................................................... 100
Joining Equivalent Sets, Activity 3 2(6)(A) ..................................................... 102
Separating Into Equivalent Sets, Activity 1 2(6)(B) ......................................... 104
Separating Into Equivalent Sets, Activity 2 2(6)(B) ......................................... 106
Separating Into Equivalent Sets, Activity 3 2(6)(B) ......................................... 108
Algebraic reasoning ............................................................................... 110–123
Determining More or Less 2(7)(B) ................................................................ 110
Representing and Solving Addition and Subtraction Problems, Activity 1 2(7)(C) . 114
Representing and Solving Addition and Subtraction Problems, Activity 2 2(7)(C) . 118
Representing and Solving Addition and Subtraction Problems, Activity 3 2(7)(C) . 122
