KhanAcademy

單字練習

Kindergarten

Counting and place value

• Counting small numbers
  • Learn
    • Counting with small numbers
    • Counting in order
  • Practice
    • Count with small numbers
    • Count in order
    • Find 1 more or 1 less than a number
• Numbers 0 to 100
  • Learn
    • Number grid
    • Missing numbers between 0 and 120
  • Practice
    • Missing numbers
    • Numbers to 100
    • Count tens
• Counting objects
  • Learn
    • Counting in pictures
    • Counting objects 1
    • Counting objects 2
  • Practice
    • Count in pictures
    • Count objects 1
    • Count objects 2
• Quiz 1
• Comparing small numbers
  • Learn
    • Comparing numbers of objects
    • Comparing numbers on the number line
    • Counting by category
  • Practice
    • Compare numbers of objects 1
    • Comparing numbers to 10
    • Compare numbers of objects 2
• Quiz 2
• Teens
  • Learn
    • Teens as sums with 10
    • Teen numbers: monkeys
  • Practice
    • Teen numbers
• Unit test

Addition and subtraction

• What is addition? What is subtraction?
  • Learn
    • Intro to addition
    • Intro to subtraction
  • Practice
    • Add within 5
    • Subtract within 5
• Making 10
  • Learn
    • Getting to 10 by filling boxes
    • Adding to 10
  • Practice
    • Make 10 (grids and number bonds)
    • Make 10
• Making small numbers
  • Learn
    • Making 5
  • Practice
    • Making 5
    • Making small numbers in different ways
• Quiz 1
• Put together, take apart
  • Learn
    • Add and subtract: pieces of fruit
    • Addition and subtraction within 10
  • Practice
    • Add within 10
    • Subtract within 10
• Addition and subtraction word problems
  • Learn
    • Addition word problems within 10
    • Subtraction word problems within 10
  • Practice
    • Addition word problems within 10
    • Subtraction word problems within 10
• Quiz 2
• Unit test

Measurement and geometry

• Comparing size: Measurement and geometry

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• Basic shapes: Measurement and geometry

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• Comparing shapes: Measurement and geometry

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• Composing shapes