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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
Eureka Math/EngageNY
Algebra 2 (Eureka Math/EngageNY)
Module 3: Exponential and logarithmic functions
Topic C: Lesson 16: Rational and Irrational Numbers
Topic C: Lesson 16: Rational and Irrational Numbers
Approximating square roots
Approximating square roots
Comparing irrational numbers with radicals
Comparing irrational numbers
Approximating square roots to hundredths
Comparing values with calculator
Comparing irrational numbers with a calculator
Proof: sum & product of two rationals is rational
Proof: product of rational & irrational is irrational
Proof: sum of rational & irrational is irrational
Sums and products of irrational numbers
Worked example: rational vs. irrational expressions
Worked example: rational vs. irrational expressions (unknowns)
Rational vs. irrational expressions
