Hard Thinking Deeper about Addition and Subtraction—The Unknown Number Quizzes for Ages 5-9

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• Chess  
  • STRATEGIES  
    • Basic Tactics
    • Putting it All Together
• English Language Arts  
  • Early Literacy Skills  
    • Letters Are Made of Lines and Curves
    • Alphabet
    • Phonological Awareness
  • Print Awareness  
    • Parts of a Book
    • Interacting with Different Kinds of Texts Part 1 (Picture Books and Poems)
    • Interacting with Different Symbols
  • Reading Informational Texts  
    • Answering Questions About Informational Texts Read Aloud (Content)
    • Key Ideas and Details/ Craft and Structure
    • Answering Questions About Informational Texts (Craft & Structure)
    • Integration of Knowledge and Ideas
    • Review Across Content
  • Basic English Conventions  
    • Forming Sentences
    • Capitalization, Punctuation, and Spelling
  • Reading Literature  
    • Answering Questions About Stories Read Aloud (Content)
    • Key Ideas and Details/ Craft and Structure
    • Respond to Stories Read Aloud
    • Review Across Genres
    • Answering Questions About Stories Read Aloud (Craft & Structure)
    • Discuss Stories Read Aloud
    • Integration of Knowledge and Ideas
  • Vocabulary  
    • Common Vocabulary
    • Determine or Clarify the Meaning of Unknown Words
    • Pre-K Sight Words
    • Word Relationships and Nuances
  • Foundational Reading Skills  
    • Letter ID
    • Phonological Awareness
    • Letter Sound Relationships
    • Phonics and Word Recognition
    • Spelling
    • High Frequency Words
  • Conventions of Writing  
    • Grammar
    • Nouns and Pronouns
    • Other Parts of Speech
    • Capitalization and Punctuation
• Logic and Early Math  
  • Early Logic and Geometry  
    • Matching and Sorting
    • Shapes
    • Data
  • Counting to 5  
    • 1,2, and 3
    • 4 and 5
    • Number Stories - 1 More
    • Number Stories - 1 Less
  • Counting to 10  
    • 6 & 7
    • 8 & 9
    • 0 & 10
  • Operations and Algebraic Thinking Within 5  
    • Addition Story Problems (#'s 1-5)
    • Subtraction Story Problems (#'s 1-5)
• Math  
  • Early Logic and Geometry  
    • Matching and Sorting
    • Shapes
    • Data
  • 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
    • Measuring, Estimating & Time
    • Keeping Track of Data
    • Telling Time
    • Keeping Track of Information
  • Geometry  
    • 2D and 3D Shapes
    • 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
  • Data, Geometry, Area and Perimeter  
    • Graphing
    • Area and Perimeter
    • Geometry
    • Time and Measurement
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  • Space
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  • Engineering
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• World around Us  
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