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4th Grade Math

Math Academy official course import: 4th Grade Math

137 节课

课程大纲

  1. 1.Operations & Algebraic Thinking
    1. 1.1.1. Operations on Numbers
      1. 1
        Evaluating Expressions Involving Addition and Multiplication
      2. 2
        Evaluating Expressions Containing Multiplication and Division
      3. 3
        Solving Multistep Word Problems Using Number Operations
      4. 4
        Further Solving Multistep Word Problems Using the Four Operations
    2. 2.1.2. Thinking Algebraically
      1. 1
        Interpreting Multiplication Equations as a Comparison
      2. 2
        Representing Comparison Statements as Equations
      3. 3
        Word Problems Involving Additive and Multiplicative Comparison
      4. 4
        Generating Patterns
      5. 5
        Identifying Patterns
  2. 2.The Number System
    1. 1.2.1. Place Value
      1. 1
        Place Value With Numbers Up to Four Digits
      2. 2
        Place Value With Numbers Up to Seven Digits
      3. 3
        Writing Whole Numbers in Words
      4. 4
        Reading Whole Numbers Written in Words
      5. 5
        Converting From Standard Form to Expanded Form
      6. 6
        Converting From Expanded Form to Standard Form
      7. 7
        Equivalent Place Value Representations
      8. 8
        More on Equivalent Place Value Representations
      9. 9
        Equivalent Place Value Representations and Borrowing
    2. 2.2.2. Comparing Whole Numbers
      1. 1
        Comparing Place Values
      2. 2
        Comparing Whole Numbers
      3. 3
        Comparing Whole Numbers Using Place Value
      4. 4
        Rounding Down Whole Numbers
      5. 5
        Rounding Up Whole Numbers
      6. 6
        Rounding Up the Digit 9
  3. 3.Addition & Subtraction
    1. 1.3.1. Adding Whole Numbers
      1. 1
        Adding Two-Digit Whole Numbers
      2. 2
        Adding Three-Digit and Two-Digit Numbers
      3. 3
        Adding Three-Digit Numbers
      4. 4
        Adding Numbers Up to Five Digits
      5. 5
        Adding Numbers Up to Seven Digits
      6. 6
        Adding Three Multi-Digit Numbers
      7. 7
        Estimating Multi-Digit Addition
    2. 2.3.2. Subtracting Whole Numbers
      1. 1
        Subtracting Two-Digit Numbers
      2. 2
        Subtracting Two-Digit Numbers From Three-Digit Numbers
      3. 3
        Subtracting Three-Digit Numbers
      4. 4
        Subtracting Numbers Up to Five Digits
      5. 5
        Subtracting Numbers Up to Seven Digits
      6. 6
        Estimating Multi-Digit Subtraction
  4. 4.Multiplication
    1. 1.4.1. Factors, Products, and Multiples
      1. 1
        Products and Factors
      2. 2
        The Factors of a Number
      3. 3
        Prime and Composite Numbers
      4. 4
        The Multiples of a Number
      5. 5
        Least Common Multiples
      6. 6
        Connecting Factors and Multiples
      7. 7
        Greatest Common Factors
    2. 2.4.2. Multiplying Whole Numbers
      1. 1
        Multiplying by 10, 100, and 1,000 Using Place Value
      2. 2
        Multiplying by 10, 100, and 1,000 Using the Pattern of Zeros
      3. 3
        Rewriting Numbers Ending in Zeros
      4. 4
        Multiplying Whole Numbers Ending in Zeros
      5. 5
        Multiplying Numbers Using Repeated Addition
      6. 6
        Multiplying Numbers Using Repeated Subtraction
      7. 7
        Estimating Multi-Digit Multiplication
    3. 3.4.3. Multiplying Whole Numbers Using Models
      1. 1
        Two-Digit by One-Digit Multiplication Using Area Models
      2. 2
        Multi-Digit by One-Digit Multiplication Using Area Models
      3. 3
        Two-Digit by One-Digit Multiplication Using Place Value
      4. 4
        Multi-Digit by One-Digit Multiplication Using Place Value
      5. 5
        Two-Digit by Two-Digit Multiplication Using Area Models
      6. 6
        Two-Digit by Two-Digit Multiplication Using Place Value
  5. 5.Division
    1. 1.5.1. Dividing Whole Numbers
      1. 1
        The Relationship Between Multiplication and Division
      2. 2
        Understanding Remainders Using Models
      3. 3
        Finding Remainders
      4. 4
        Dividends, Divisors, Quotients, and Remainders
      5. 5
        Division With Remainders
      6. 6
        Interpreting Remainders in Context
      7. 7
        Dividing by 10, 100, and 1,000 Using the Pattern of Zeros
      8. 8
        Dividing by One-Digit Numbers by Connecting Multiplication and Division
      9. 9
        Dividing Numbers Using Place-Value Strategies
      10. 10
        Estimating Multi-Digit Division
    2. 2.5.2. Dividing Whole Numbers Using Models
      1. 1
        Two-Digit by One-Digit Division Using Area Models
      2. 2
        Multi-Digit by One-Digit Division Using Area Models
      3. 3
        More Multi-Digit by One-Digit Division Using Area Models
      4. 4
        Two-Digit by One-Digit Division Using Box Models
      5. 5
        Two-Digit by One-Digit Division Using Box Models With Remainders
      6. 6
        Multi-Digit by One-Digit Division Using Box Models
  6. 6.Fractions & Decimals
    1. 1.6.1. Fractions
      1. 1
        Fraction Models
      2. 2
        Writing Unit Fractions in Words
      3. 3
        Writing Fractions in Words
      4. 4
        Improper Fractions
      5. 5
        Finding Equivalent Fractions Using Area Models
      6. 6
        Equivalent Fractions
      7. 7
        Least Common Denominators
      8. 8
        Writing Fractions in Lowest Terms
      9. 9
        Interpreting Fractions as Division
    2. 2.6.2. Mixed Numbers
      1. 1
        Models for Mixed Numbers
      2. 2
        Interpreting Division Problems as Mixed Numbers
      3. 3
        Converting Improper Fractions to Mixed Numbers
      4. 4
        Converting Mixed Numbers to Improper Fractions
    3. 3.6.3. Comparing Fractions
      1. 1
        Comparing Fractions
      2. 2
        Comparing Fractions Using Unit Benchmarks
      3. 3
        Comparing Fractions Using One-Half Benchmarks
      4. 4
        Comparing Fraction Models Using Common Denominators
      5. 5
        Comparing Fractions Using Common Denominators
    4. 4.6.4. Adding Fractions
      1. 1
        Adding Fractions With Like Denominators Using Models
      2. 2
        Adding Fractions With Like Denominators
      3. 3
        Subtracting Fractions With Like Denominators
      4. 4
        Adding Fractions With Like Denominators: Word Problems
      5. 5
        Subtracting Fractions With Like Denominators: Word Problems
      6. 6
        Decomposing Fractions Into Sums Using Models
      7. 7
        Decomposing Fractions Into Sums
    5. 5.6.5. Adding Mixed Numbers
      1. 1
        Adding Mixed Numbers With Like Denominators
      2. 2
        Subtracting Mixed Numbers With Like Denominators
      3. 3
        Subtracting Mixed Numbers With Like Denominators Using Improper Fractions
      4. 4
        Adding Mixed Numbers With Like Denominators: Word Problems
      5. 5
        Subtracting Mixed Numbers With Like Denominators: Word Problems
    6. 6.6.6. Multiplying Fractions
      1. 1
        Multiplying Unit Fractions by Whole Numbers Using Models
      2. 2
        Multiplying Fractions by Whole Numbers Using Models
      3. 3
        Multiplying Fractions by Whole Numbers
      4. 4
        Multiplying Fractions by Whole Numbers: Word Problems
      5. 5
        Strategies to Simplify Whole Number and Fraction Multiplication
    7. 7.6.7. Decimals
      1. 1
        Decimal Fractions
      2. 2
        Plotting Decimals on Number Lines
      3. 3
        Comparing Decimals Up to Hundredths
      4. 4
        Converting Fractions to Decimals
      5. 5
        Converting Mixed Numbers to Decimals
      6. 6
        Converting Decimals to Fractions
      7. 7
        Converting Decimals to Mixed Numbers
      8. 8
        Adding Decimal Fractions
  7. 7.Measurement & Data
    1. 1.7.1. Units
      1. 1
        Units of Length
      2. 2
        Units of Mass
      3. 3
        Units of Time
      4. 4
        Units of Volume
      5. 5
        Converting Metric Units of Length to Smaller Units
      6. 6
        Converting Customary Units of Length to Smaller Units
      7. 7
        Converting Units of Volume to Smaller Units
      8. 8
        Converting Units of Mass to Smaller Units
      9. 9
        Converting Units of Time to Smaller Units
    2. 2.7.2. Representing and Interpreting Data
      1. 1
        Creating and Interpreting Line Plots
      2. 2
        Creating and Interpreting Line Plots With Fractions
    3. 3.7.3. Geometry
      1. 1
        Points, Lines, Rays, and Segments
      2. 2
        Angles and Measures of Angles
      3. 3
        Connecting Angles and Circles
      4. 4
        Measuring Angles Using a Protractor
      5. 5
        Right, Straight, Full, and Null Angles
      6. 6
        Acute, Obtuse, and Reflex Angles
      7. 7
        Sums of Angles
      8. 8
        Solving Angle Problems
      9. 9
        Parallel and Perpendicular Lines
      10. 10
        Modeling With Rectangles