Addition and Subtraction

- Overview of Addition (Sums to 10)
- Adding Two Numbers (Sums to 10) - Word Problems
- Overview of Subtraction (Numbers up to 10)
- Subtracting by Counting Backward with Pictures
- Subtracting by Crossing Out with Pictures
- Selecting the Subtracting Sentence by Crossing Out
- Subtracting by Grouping (Numbers up to 10)
- Subtracting by Crossing Out with Pictures - Word Problems
- Subtracting One-digit Numbers - Word Problems
- Subtracting One-digit Numbers in 2 Steps - Word Problems

- Overview of Addition
- Adding Pictures (Sums to 20)
- Adding Using Tens and Ones
- Adding with Pictures - Word Problems (Sums to 20)
- Adding Word Problems (Sums to 20)
- Adding Multiple One-digit Numbers with Pictures
- Adding Multiple One-digit Numbers - Word Problems
- Overview of Subtraction (Numbers up to 20)
- Subtracting by Counting Backward with Pictures (Numbers up to 20)

- Overview of Addition (Sums to 20)
- Understanding More Than
- Selecting the Correct Addition Sentence
- Selecting the Incorrect Addition Sentence
- Selecting the Related Addition Fact
- Completing the Addition Sentence (Sums to 20)
- Fluency in Subtraction (Numbers up to 20)
- Understanding Less Than and More Than
- Selecting the Incorrect Subtraction Sentence (Numbers up to 20)
- Finding the Subtraction Sentence by Pattern (Numbers up to 20)
- Completing the Subtraction Sentence (Numbers up to 20)
- Selecting the Related Subtraction Facts
- Subtracting Word Problems (Numbers up to 20)
- Adding and Subtracting (Numbers up to 20) - Word Problems
- Adding and Subtracting (Three or More Numbers)

- Overview of Addition (Sums to 100) - Word Problems
- One-step Addition (Sums to 100) - Word Problems
- Two-step Addition (Sums to 100) - Word Problems
- Overview of Subtraction (Numbers to 100) - Word Problems
- Overview of Mixed Operations (Numbers to 100)
- Overview of Mixed Operations (Numbers to 100) - Word Problems

- Mixed Operations: Addition and Subtraction I - Word Problems
- Mixed Operations: Addition and Subtraction II - Word Problems
- Mixed Operations: Subtraction and Addition I - Word Problems
- Mixed Operations: Subtraction and Addition II - Word Problems
- Overview of Adding and Subtracting 3 Numbers - Word Problems
- Subtracting 3 Numbers - Word Problems

- Word Problems That Compare Values
- Guessing the Correct Numbers
- More and Less (Addition and Subtraction)
- Comparing with One-step Addition and Subtraction - Word Problems
- Comparing with Two-step Addition and Subtraction
- Comparing with Two-step Addition and Subtraction - Word Problems
- Comparing with Multi-step Addition and Subtraction - Word Problems
- Overview of Mixed Operations (Numbers to 1,000)
- Mixed Operations: Selecting the Correct Sentence
- Mixed Operations: Selecting the Incorrect Sentence
- Balancing the Equations (Numbers to 1,000)
- Fact Families (Numbers to 1,000)
- Adding and Subtracting Terms (Numbers to 1,000)
- Challenge Flow Chart (Numbers to 1,000)
- Filling in the Missing + or - Sign (Numbers to 1,000)

- Overview of Addition (Sums to 100)
- Adding Two-digit Numbers without Regrouping
- Adding Two-digit Numbers with Regrouping
- Adding Three 2-digit Numbers
- Selecting the Correct Addition Sentence (Sums to 100)
- Selecting the Incorrect Addition Sentence (Sums to 100)
- Completing the Addition Sentence (Sums to 100)
- Overview of Subtraction (Numbers to 100)
- Subtracting 2-digit Numbers without Regrouping
- Subtracting 2-digit Numbers with Regrouping
- Selecting the Correct Subtraction Sentence
- Selecting the Incorrect Subtraction Sentence
- Selecting the Incorrect Subtraction Sentence II

- Overview of Addition (Sums to 1,000)
- Addition: 3 Digits
- Addition: Select the Correct Sentence
- Addition: Select the Incorrect Sentence
- Addition: Complete the Addition Sentence
- Overview of Subtraction (Numbers to 1,000)
- Subtraction: 3-digits Minus 2-digits
- Subtraction: 3-digits Minus 3-digits
- Subtraction: Select the Correct Sentence
- Subtraction: Select the Incorrect Sentence
- Subtraction: Complete the Subtraction Sentence

Multiplication

- Multiplication Sentences from Illustrations II (Numbers 6, 7, 8, 9, 11 and 12)
- Multiplying by 6
- Multiplying by 7
- Multiplying by 8
- Multiplying by 9
- Multiplying by 11
- Multiplying by 12
- Expressing Multiplication Sentences
- Understanding Grouping with Illustrations
- Understanding Sharing with Illustrations

Place Value

- Counting Cubes and Creating a Place Value Diagram
- Turning Words into Numbers Using a Place Value Diagram
- Turning Numbers into Words (Place Values to 1,000)
- Turning Words into Numbers within Word Problems
- Turning Numbers into Words within Word Problems
- One-step Conversions Between Hundreds, Tens, and Ones
- Representing Numbers in Expanded Form I
- Completing the Expanded Forms of Numbers
- Recognizing Place Value of Digits in Numbers
- Identifying Values of Digits
- Comparing Digit Values in Numbers
- Place Value Review

- Counting Cubes and Creating a Place Value Model
- Converting Words to Numbers Using Place Value
- Conversions Between Thousands, Hundreds, Tens, and Ones
- Representing Numbers in Expanded Form II
- Recognizing Place Value of Digits in Numbers II
- Comparing Digit Values in Numbers (Numbers to 10,000)
- Identifying Digit Values in Numbers (Numbers to 10,000)
- Completing Expanded Forms Using Numbers and Words
- Number Puzzles Involving Place Value (Numbers to 10,000)
- Mixed Review - Place Value Problems (Numbers to 10,000)

Decimals

- Overview - Tenths
- Expressing Decimals in Tenths
- Decomposing Decimals into Place Values to Tenths
- Overview - Hundredths
- Expressing Decimals in Hundredths
- Decomposing Decimals into Place Values up to Hundredths
- Overview - Thousandths
- Expressing Decimals in Thousandths
- Decomposing Decimals into Place Values to Thousandths
- Overview - Equivalent Decimals Ending in Zero
- Expressing an Equivalent Decimal Ending in Zero to Thousandths

- Overview of Comparing Decimals
- Using a Place Value Chart to Compare and Write Decimal Inequalities
- Comparing and Writing Decimal Inequalities
- Arranging a Set of Decimals in Order of Increasing Value
- Determining Which Set of Decimals is Correctly Ordered by Value
- Comparing and Writing Decimal Inequalities in Word Problems
- Solving Decimal Word Puzzles

Time

- Overview of Telling Time to 1-minute Intervals
- Overview of Elapsed Time
- Determining Beginning, Ending, and Elapsed Time Using Two Clocks
- Determining Beginning, Ending, and Elapsed Time Using a Timeline
- Beginning, Ending, and Elapsed Time with Clocks - Word Problems
- Elapsed Time Without Clocks - Word Problems
- Overview of Schedules and Timelines
- Using Timelines to 1-minute Increments
- Reading Schedules
- Transportation Schedules 1
- Transportation Schedules 2
- Overview of Duration of Time with a 12-hour Clock
- Solving for Start Time, End Time, or Elapsed Time
- Determining the Missing Component on a Timeline
- Determining the Elapsed Time in Word Problems
- Overview of Multi-step Time Word Problems

Money

- Writing Prices of Items
- Writing the Value of the Money in Each Purse
- Finding the Equal Amount of Money Given
- The Fewest Number of Coins and Bills to Equal a Given Amount
- Interpreting Costs of Items - Word Problems
- Converting Item Costs from Numerals to Words
- Converting Item Costs from Words to Numerals
- True or False From Words to Numbers

Measurement

- Visual Differences in Length (English Units)
- Using Real Maps (English Lengths and Distances)
- Using Symbol Maps (English Lengths and Distances)
- Using Symbol Maps with Compound Units
- Length Comparisons Using Data Tables
- Adding Unit Lengths in One Step (English Units)
- Adding or Subtracting Lengths in One Step
- Adding and Subtracting to Determine the Longest
- Adding and Subtracting Lengths in Two Steps
- Multiplying Lengths (English Units)
- Dividing Lengths (English Units)
- Conversion Word Problems (English Units)

- Overview of Capacity (Metric Units)
- Making Observations About Capacity (Metric Units)
- Estimating Capacity Using Water (Metric Units)
- Finding the Capacity of Water with Illustrations (Metric Units)
- Finding the Amount of Water with Illustrations and Calculations
- Overview of Capacity II (Metric Units)
- Visually Comparing Capacity and Volume
- Visually Comparing Capacity and Volume - Three Containers
- Capacity and Volume of Three or More Containers

- Comparing Cups and Pints by Pictures
- Comparing Pints and Quarts by Pictures
- Comparing Cups and Quarts by Pictures
- Comparing the Capacity by Formula in Quarts, Pints and Cups
- Comparing and Ordering Quarts, Pints and Cups
- Comparing Gallons and Quarts by Pictures
- Comparing Gallons and Quarts by Formula
- Comparing Capacity with Pictures (English Units)
- Comparing Gallons, Pints, and Quarts by Formula
- Comparing and Ordering Gallons, Quarts, and Pints
- Capacity Problems with Illustrations - Word Problems
- Capacity Comparison Problems with Illustrations - Word Problems
- Comparing Quarts, Pints and Cups with Pictures

Geometry

- Overview of Rectangles, Squares, Circles and Triangles
- Identifying Rectangles, Squares, Circles, and Triangles
- Classifying Real-life Objects as Rectangles, Squares, Circles, or Triangles
- Counting the Number of Different 2D Shapes in a Set of Figures
- Counting the Number of Different 2D Shapes in a Composite Figure

- Overview of Quarter-circles and Semi-circles
- Identifying Semi-circles and Quarter-circles
- Counting Semi-circles and Quarter-circles in Composite Figures
- Overview of Ellipses, Trapezoids, Rhombi, and Polygons
- Identifying Ellipses and Polygons
- Matching Equivalent 2D Shapes
- Overview of Forming Figures with Cutouts
- Counting Different 2D Shapes within Simple Composite Figures
- Counting Different 2D Shapes within Complex Composite Figures
- Overview of Simple Figure Patterns
- Predicting the Next Shape in a Sequence of 2D and 3D Shapes
- Overview of Complex Figure Patterns

- Overview of Lines, Curves, Vertices, and Sides of 2D Shapes
- Identifying Straight Lines in Various Shapes
- Counting Straight Lines and Curves in Various Shapes
- Counting Vertices and Sides in Various Shapes
- Overview of Flat Surfaces of 3D Shapes
- Counting Flat Surfaces in Various 3D Shapes
- Overview of Basic 3D Figures
- Identifying and Naming 3D Figures
- Identifying Vertices, Edges, and Faces in 3D Shapes
- Visually Evaluating Parallel Lines Cut by a Traversal
- Identifying Parallel and Perpendicular Lines

- Overview of Addition (Sums to 10)
- Adding Two Numbers (Sums to 10) - Word Problems
- Overview of Subtraction (Numbers up to 10)
- Subtracting by Counting Backward with Pictures
- Subtracting by Crossing Out with Pictures
- Selecting the Subtracting Sentence by Crossing Out
- Subtracting by Grouping (Numbers up to 10)
- Subtracting by Crossing Out with Pictures - Word Problems
- Subtracting One-digit Numbers - Word Problems
- Subtracting One-digit Numbers in 2 Steps - Word Problems

- Overview of Addition
- Adding Pictures (Sums to 20)
- Adding Using Tens and Ones
- Adding with Pictures - Word Problems (Sums to 20)
- Adding Word Problems (Sums to 20)
- Adding Multiple One-digit Numbers with Pictures
- Adding Multiple One-digit Numbers - Word Problems
- Overview of Subtraction (Numbers up to 20)
- Subtracting by Counting Backward with Pictures (Numbers up to 20)

- Overview of Addition (Sums to 20)
- Understanding More Than
- Selecting the Correct Addition Sentence
- Selecting the Incorrect Addition Sentence
- Selecting the Related Addition Fact
- Completing the Addition Sentence (Sums to 20)
- Fluency in Subtraction (Numbers up to 20)
- Understanding Less Than and More Than
- Selecting the Incorrect Subtraction Sentence (Numbers up to 20)
- Finding the Subtraction Sentence by Pattern (Numbers up to 20)
- Completing the Subtraction Sentence (Numbers up to 20)
- Selecting the Related Subtraction Facts
- Subtracting Word Problems (Numbers up to 20)
- Adding and Subtracting (Numbers up to 20) - Word Problems
- Adding and Subtracting (Three or More Numbers)

- Overview of Addition (Sums to 100) - Word Problems
- One-step Addition (Sums to 100) - Word Problems
- Two-step Addition (Sums to 100) - Word Problems
- Overview of Subtraction (Numbers to 100) - Word Problems
- Overview of Mixed Operations (Numbers to 100)
- Overview of Mixed Operations (Numbers to 100) - Word Problems

- Mixed Operations: Addition and Subtraction I - Word Problems
- Mixed Operations: Addition and Subtraction II - Word Problems
- Mixed Operations: Subtraction and Addition I - Word Problems
- Mixed Operations: Subtraction and Addition II - Word Problems
- Overview of Adding and Subtracting 3 Numbers - Word Problems
- Subtracting 3 Numbers - Word Problems

- Word Problems That Compare Values
- Guessing the Correct Numbers
- More and Less (Addition and Subtraction)
- Comparing with One-step Addition and Subtraction - Word Problems
- Comparing with Two-step Addition and Subtraction
- Comparing with Two-step Addition and Subtraction - Word Problems
- Comparing with Multi-step Addition and Subtraction - Word Problems
- Overview of Mixed Operations (Numbers to 1,000)
- Mixed Operations: Selecting the Correct Sentence
- Mixed Operations: Selecting the Incorrect Sentence
- Balancing the Equations (Numbers to 1,000)
- Fact Families (Numbers to 1,000)
- Adding and Subtracting Terms (Numbers to 1,000)
- Challenge Flow Chart (Numbers to 1,000)
- Filling in the Missing + or - Sign (Numbers to 1,000)

- Overview of Addition (Sums to 100)
- Adding Two-digit Numbers without Regrouping
- Adding Two-digit Numbers with Regrouping
- Adding Three 2-digit Numbers
- Selecting the Correct Addition Sentence (Sums to 100)
- Selecting the Incorrect Addition Sentence (Sums to 100)
- Completing the Addition Sentence (Sums to 100)
- Overview of Subtraction (Numbers to 100)
- Subtracting 2-digit Numbers without Regrouping
- Subtracting 2-digit Numbers with Regrouping
- Selecting the Correct Subtraction Sentence
- Selecting the Incorrect Subtraction Sentence
- Selecting the Incorrect Subtraction Sentence II

- Overview of Addition (Sums to 1,000)
- Addition: 3 Digits
- Addition: Select the Correct Sentence
- Addition: Select the Incorrect Sentence
- Addition: Complete the Addition Sentence
- Overview of Subtraction (Numbers to 1,000)
- Subtraction: 3-digits Minus 2-digits
- Subtraction: 3-digits Minus 3-digits
- Subtraction: Select the Correct Sentence
- Subtraction: Select the Incorrect Sentence
- Subtraction: Complete the Subtraction Sentence

- Multiplication Sentences from Illustrations II (Numbers 6, 7, 8, 9, 11 and 12)
- Multiplying by 6
- Multiplying by 7
- Multiplying by 8
- Multiplying by 9
- Multiplying by 11
- Multiplying by 12
- Expressing Multiplication Sentences
- Understanding Grouping with Illustrations
- Understanding Sharing with Illustrations

- Counting Cubes and Creating a Place Value Diagram
- Turning Words into Numbers Using a Place Value Diagram
- Turning Numbers into Words (Place Values to 1,000)
- Turning Words into Numbers within Word Problems
- Turning Numbers into Words within Word Problems
- One-step Conversions Between Hundreds, Tens, and Ones
- Representing Numbers in Expanded Form I
- Completing the Expanded Forms of Numbers
- Recognizing Place Value of Digits in Numbers
- Identifying Values of Digits
- Comparing Digit Values in Numbers
- Place Value Review

- Counting Cubes and Creating a Place Value Model
- Converting Words to Numbers Using Place Value
- Conversions Between Thousands, Hundreds, Tens, and Ones
- Representing Numbers in Expanded Form II
- Recognizing Place Value of Digits in Numbers II
- Comparing Digit Values in Numbers (Numbers to 10,000)
- Identifying Digit Values in Numbers (Numbers to 10,000)
- Completing Expanded Forms Using Numbers and Words
- Number Puzzles Involving Place Value (Numbers to 10,000)
- Mixed Review - Place Value Problems (Numbers to 10,000)

- Overview - Tenths
- Expressing Decimals in Tenths
- Decomposing Decimals into Place Values to Tenths
- Overview - Hundredths
- Expressing Decimals in Hundredths
- Decomposing Decimals into Place Values up to Hundredths
- Overview - Thousandths
- Expressing Decimals in Thousandths
- Decomposing Decimals into Place Values to Thousandths
- Overview - Equivalent Decimals Ending in Zero
- Expressing an Equivalent Decimal Ending in Zero to Thousandths

- Overview of Comparing Decimals
- Using a Place Value Chart to Compare and Write Decimal Inequalities
- Comparing and Writing Decimal Inequalities
- Arranging a Set of Decimals in Order of Increasing Value
- Determining Which Set of Decimals is Correctly Ordered by Value
- Comparing and Writing Decimal Inequalities in Word Problems
- Solving Decimal Word Puzzles

- Overview of Telling Time to 1-minute Intervals
- Overview of Elapsed Time
- Determining Beginning, Ending, and Elapsed Time Using Two Clocks
- Determining Beginning, Ending, and Elapsed Time Using a Timeline
- Beginning, Ending, and Elapsed Time with Clocks - Word Problems
- Elapsed Time Without Clocks - Word Problems
- Overview of Schedules and Timelines
- Using Timelines to 1-minute Increments
- Reading Schedules
- Transportation Schedules 1
- Transportation Schedules 2
- Overview of Duration of Time with a 12-hour Clock
- Solving for Start Time, End Time, or Elapsed Time
- Determining the Missing Component on a Timeline
- Determining the Elapsed Time in Word Problems
- Overview of Multi-step Time Word Problems

- Writing Prices of Items
- Writing the Value of the Money in Each Purse
- Finding the Equal Amount of Money Given
- The Fewest Number of Coins and Bills to Equal a Given Amount
- Interpreting Costs of Items - Word Problems
- Converting Item Costs from Numerals to Words
- Converting Item Costs from Words to Numerals
- True or False From Words to Numbers

- Visual Differences in Length (English Units)
- Using Real Maps (English Lengths and Distances)
- Using Symbol Maps (English Lengths and Distances)
- Using Symbol Maps with Compound Units
- Length Comparisons Using Data Tables
- Adding Unit Lengths in One Step (English Units)
- Adding or Subtracting Lengths in One Step
- Adding and Subtracting to Determine the Longest
- Adding and Subtracting Lengths in Two Steps
- Multiplying Lengths (English Units)
- Dividing Lengths (English Units)
- Conversion Word Problems (English Units)

- Overview of Capacity (Metric Units)
- Making Observations About Capacity (Metric Units)
- Estimating Capacity Using Water (Metric Units)
- Finding the Capacity of Water with Illustrations (Metric Units)
- Finding the Amount of Water with Illustrations and Calculations
- Overview of Capacity II (Metric Units)
- Visually Comparing Capacity and Volume
- Visually Comparing Capacity and Volume - Three Containers
- Capacity and Volume of Three or More Containers

- Comparing Cups and Pints by Pictures
- Comparing Pints and Quarts by Pictures
- Comparing Cups and Quarts by Pictures
- Comparing the Capacity by Formula in Quarts, Pints and Cups
- Comparing and Ordering Quarts, Pints and Cups
- Comparing Gallons and Quarts by Pictures
- Comparing Gallons and Quarts by Formula
- Comparing Capacity with Pictures (English Units)
- Comparing Gallons, Pints, and Quarts by Formula
- Comparing and Ordering Gallons, Quarts, and Pints
- Capacity Problems with Illustrations - Word Problems
- Capacity Comparison Problems with Illustrations - Word Problems
- Comparing Quarts, Pints and Cups with Pictures

- Overview of Rectangles, Squares, Circles and Triangles
- Identifying Rectangles, Squares, Circles, and Triangles
- Classifying Real-life Objects as Rectangles, Squares, Circles, or Triangles
- Counting the Number of Different 2D Shapes in a Set of Figures
- Counting the Number of Different 2D Shapes in a Composite Figure

- Overview of Quarter-circles and Semi-circles
- Identifying Semi-circles and Quarter-circles
- Counting Semi-circles and Quarter-circles in Composite Figures
- Overview of Ellipses, Trapezoids, Rhombi, and Polygons
- Identifying Ellipses and Polygons
- Matching Equivalent 2D Shapes
- Overview of Forming Figures with Cutouts
- Counting Different 2D Shapes within Simple Composite Figures
- Counting Different 2D Shapes within Complex Composite Figures
- Overview of Simple Figure Patterns
- Predicting the Next Shape in a Sequence of 2D and 3D Shapes
- Overview of Complex Figure Patterns

- Overview of Lines, Curves, Vertices, and Sides of 2D Shapes
- Identifying Straight Lines in Various Shapes
- Counting Straight Lines and Curves in Various Shapes
- Counting Vertices and Sides in Various Shapes
- Overview of Flat Surfaces of 3D Shapes
- Counting Flat Surfaces in Various 3D Shapes
- Overview of Basic 3D Figures
- Identifying and Naming 3D Figures
- Identifying Vertices, Edges, and Faces in 3D Shapes
- Visually Evaluating Parallel Lines Cut by a Traversal
- Identifying Parallel and Perpendicular Lines

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