Unit 2 The Number System
Lesson 1 The Number System Introduction
Khan Academy: Intro to Rational and Irrational Numbers
Khan Academy: Classifying Numbers: Rational and Irrational
Khan Academy: Classifying Numbers
Khan Academy: Classifying Numbers Example
Khan Academy: Intro to Rational and Irrational Numbers
Khan Academy: Classifying Numbers: Rational and Irrational
Khan Academy: Classifying Numbers
Khan Academy: Classifying Numbers Example
Lesson 2 The Real Number System
Khan Academy: Intro to Rational and Irrational Numbers
Khan Academy: Classifying Numbers: Rational and Irrational
Khan Academy: Classifying Numbers
Khan Academy: Classifying Numbers Example
Khan Academy: Intro to Rational and Irrational Numbers
Khan Academy: Classifying Numbers: Rational and Irrational
Khan Academy: Classifying Numbers
Khan Academy: Classifying Numbers Example
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Lesson 3 Rational and Irrational Numbers
Khan Academy: Intro to Rational and Irrational Numbers
Khan Academy: Classifying Numbers: Rational and Irrational
Khan Academy: Classifying Numbers
Khan Academy: Classifying Numbers Example
Khan Academy: Intro to Rational and Irrational Numbers
Khan Academy: Classifying Numbers: Rational and Irrational
Khan Academy: Classifying Numbers
Khan Academy: Classifying Numbers Example
Lesson 4 Approximate Values of Irrational Numbers
2.4 Estimating Square Roots
Khan Academy: Intro to Square Roots
Khan Academy: Understanding Square Roots
Khan Academy: Square Root of a Decimal
Khan Academy: Intro to Cube Roots
Khan Academy: Approximating Square Roots
Khan Academy: Approximating Square Roots to Hundredths
2.4 Estimating Square Roots
Khan Academy: Intro to Square Roots
Khan Academy: Understanding Square Roots
Khan Academy: Square Root of a Decimal
Khan Academy: Intro to Cube Roots
Khan Academy: Approximating Square Roots
Khan Academy: Approximating Square Roots to Hundredths
Lesson 5 Decimal Expansions
Khan Academy: Write Decimal in Expanded Form
Khan Academy: Write Decimal in Expanded Form
Lesson 6 Rational Numbers in Different Forms
2.6 Fractions to Decimals and Decimals to Fractions
Khan Academy: Convert Repeating decimals to Fractions part 1
Khan Academy: Convert Repeating decimals to Fractions part 2
Khan Academy: Rewriting Decimals as Fractions 0.8
Khan Academy: Rewriting Decimals as Fractions 0.15
Khan Academy: Rewriting Decimals as Fractions 0.36
Khan Academy: Rewriting Decimals as Fractions 2.75
Khan Academy: Fraction to Decimal 11/25
Khan Academy: Converting a fraction (7/8) to a Decimal
Khan Academy: Converting a Fraction to a Repeating Decimal
Khan Academy: Converting Decimals to Fractions 2
Khan Academy: Rewriting Tricky Fractions to Decimals
2.6 Fractions to Decimals and Decimals to Fractions
Khan Academy: Convert Repeating decimals to Fractions part 1
Khan Academy: Convert Repeating decimals to Fractions part 2
Khan Academy: Rewriting Decimals as Fractions 0.8
Khan Academy: Rewriting Decimals as Fractions 0.15
Khan Academy: Rewriting Decimals as Fractions 0.36
Khan Academy: Rewriting Decimals as Fractions 2.75
Khan Academy: Fraction to Decimal 11/25
Khan Academy: Converting a fraction (7/8) to a Decimal
Khan Academy: Converting a Fraction to a Repeating Decimal
Khan Academy: Converting Decimals to Fractions 2
Khan Academy: Rewriting Tricky Fractions to Decimals
Lesson 7-9 Numbers Between Rational Numbers
2.7 Rational Numbers and Irrational Numbers between Numbers
Khan Academy: Proof there's an Irrational Number Between any Two Rational Numbers
2.7 Rational Numbers and Irrational Numbers between Numbers
Khan Academy: Proof there's an Irrational Number Between any Two Rational Numbers
Lesson 10-11 The Number System Review