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Explanations >> Grade 1
 
Table of Contents
  • Chapter 1
    From 0 to 10
  •  
    Counting
  •  
    Comparing Numbers and Sequencing
  •  
    Addition
  •  
    Subtraction
  •  
    Addition and Subtraction
  • Chapter 2
    Numbers 11 to 20
  •  
    Counting
  •  
    Comparing Numbers and Sequencing
  •  
    Writing Numbers
  •  
    Addition Up to 20 without Regrouping
  •  
    Addition Up to 20 with Regrouping
  •  
    Subtraction Up to 20 without Regrouping
  •  
    Subtraction Up to 20 with Regrouping
  •  
    Addition and Subtraction
  • Chapter 3
    Problem Solving: Numbers up to 20
  • Chapter 4
    Numbers 20 to 100
  •  
    Counting by Groups
  •  
    Compare Numbers and Sequencing
  •  
    Place Value and Writing Numbers
  •  
    Ordinal Numbers
  •  
    Adding and Subtracting 10s
  •  
    Adding 2-Digit Numbers with 10s
  •  
    Adding 2-Digit Numbers with 1-Digit Numbers
  •  
    Subtracting 2-Digit Numbers with 10s
  •  
    Subtracting 2-Digit Numbers with 1-Digit Numbers
  •  
    Addition and Subtraction
  • Chapter 5
    Problem Solving: Numbers up to 100
  • Chapter 6
    Comparing Length, Height, and Quantity
  • Chapter 7
    Patterns
  •  
    Numbers
  •  
    Colors, Shapes, and Pictures
  • Chapter 8
    Classifying
  • Chapter 9
    Plane and Solid Shapes
  • Chapter 10
    Telling Time to Hour, Half Hour, and Quarter Hour
  • Chapter 11
    Money
  •  
    Names and Values of Coins and Bills Up to $100
  •  
    Problem Solving
  • Chapter 12
    Reading Graphs and Tables