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

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

Teens

• Learn
  • Teens as sums with 10
  • Teen numbers: monkeys
• Practice
  • Teen numbers

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
  • Learn
    • No videos or articles available in this lesson
  • Practice
    • Compare size
• Basic shapes: Measurement and geometry
  • Learn
    • Cousin Fal's shape collection
    • Recognizing shapes
  • Practice
    • Name shapes 1
    • Name shapes 2
• Quiz 1
• Comparing shapes: Measurement and geometry
  • Learn
    • No videos or articles available in this lesson
  • Practice
    • Relative position
  • Practice
    • Compare shapes
• Composing shapes
  • Learn
    • Composing shapes
  • Practice
    • Compose shapes
• Quiz 2
• Unit test