Chapter 1
- Lessons 1 to 3: Reading Data - Collecting and Representing Data - Comparing Data
- Lessons 4 & 5: Representing and Interpreting Data - Representing Data with a Scale of 1
- Lessons 6 to 8: Representing Data with a Scale of 2 - Representing Data with a Scale of 10 - Bar Graph
- Lessons 9 & 10: Pictograph - Graph Elements
Chapter 2
- Lessons 1 & 2: Adding Doubles - Adding and Subtracting by Counting
- Lessons 3 & 4: Adding by Subtracting the Number 10 - Adding and Subtracting by Making Tens
- Lessons 5 & 6: Story Problems on Adding - Story Problems on Subtracting
- Lessons 7 to 10: Mental Applications on Adding - Mental Applications on Subtracting - Mental Applications on Adding and Subtracting - Adding Using the 120 Chart
Chapter 3
- Lessons 1 & 2: 3-Digit Numbers - More of 3-Digit Numbers
- Lessons 3 to 6: Standard Form and Expanded Form - Numbers in Word Form - More Numbers in Word Form - Writing Numbers in Different Forms
- Lessons 7 & 8: Comparing Numbers - More of Comparing Numbers
- Lessons 9 & 10: Ordering Numbers - More of Ordering Numbers
Chapter 4
- Lessons 1 & 2: Commutative Property in Addition - More of Mental Applications on Adding and Subtracting
- Lesson 3: Decomposing Numbers into Ones and Tens
- Lesson 4: Adding Without Regrouping
- Lesson 5: Subtracting Without Regrouping
- Lesson 6: Estimating the Sum and the Difference
- Lesson 7: Comparing the Sum and the Estimation
- Lessons 8 & 9: Adding by Regrouping Ones - More of Adding by Regrouping Ones
- Lesson 10: Adding More Than Two Numbers by Regrouping Ones
Chapter 5
- Lessons 1 & 2: Attributes of 2-Dimensional Shapes - Sorting 2-Dimensional Shapes
- Lessons 3 & 4: Drawing Geometric Shapes - Creating a Picture Using 2-Dimensional Shapes
- Lessons 5 to 7: Measuring the Length in Centimeters - Estimating the Length - More of Measuring the Side Length of a Geometric Shape
- Lessons 8 to 10: Attributes of 3-Dimensional Shapes - Sorting 3-Dimensional Shapes - Creating 3-Dimensional Shapes
Chapter 6
- Lessons 1 & 2: Measuring Mass - Units of Measuring Mass
- Lessons 3 & 4: Applications on Measuring Mass - More Applications on Measuring Mass
- Lessons 5 & 6: Time "A.M. or P.M." - Creating an Analog Clock
- Lessons 7 & 8: Reading Time with Halves - Applications on Time
- Lessons 9 & 10: Reading Time in Minutes - More Applications on Time