Hard Thinking Deeper about Addition and Subtraction—The Unknown Number Quizzes for Ages 3-9

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    • 6 & 7
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    • 0 & 10
  • Operations and Algebraic Thinking Within 5  
    • Addition Story Problems (#'s 1-5)
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    • Matching and Sorting
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  • Counting and Cardinality up to 20  
    • Counting and Numbers
    • Counting to Tell How Many
    • One More and One Less
    • Fluency
  • Additional Practice with Numbers up to 20  
    • Addition and Subtraction
    • Addition and Subtraction Story Problems
    • Composing Numbers
  • Foundations in Operations Within 100  
    • Counting
    • Place Value
    • Addition and Subtraction - less than 20
    • Addition and Subtraction 20-100
  • Applications in Operations Within 100  
    • Word Problems Sums and Differences within 20
    • Thinking Deeper about Addition and Subtraction—The Unknown Number
    • Make it Easy Strategies
  • Foundations and Applications in Measuring, Time and Data  
    • How to Measure Using the World Around You
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    • Keeping Track of Information
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    • Shapes and their Characteristics
    • Fractions and Shapes
    • Math in Shapes
  • Foundations in Operations Within 1000  
    • Place Value
    • Counting and Comparing
    • Addition and Subtraction within 100
    • Addition and Subtraction within 1,000
  • Applications in Operations Within 1000  
    • Word Problems Sums and Differences within 100
    • Thinking Deeper about Addition and Subtraction—The Unknown Number
    • Equal Groups
  • Foundations in Numbers and Fractions  
    • Rounding
    • Adding and Subtracting to 1,000
    • Making and Representing Fractions
  • Multiplication and Division  
    • Multiplication Facts
    • Division
    • Multiplication, Division and Other Word Problems
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    • Graphing
    • Area and Perimeter
    • Geometry
    • Time and Measurement
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