Rational Approximations of Irrational Numbers
Math ⇒ Number and Operations
Rational Approximations of Irrational Numbers starts at 8 and continues till grade 12.
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See sample questions for grade 8
Describe how to check if a decimal is a rational approximation of an irrational number.
Describe one method to improve the accuracy of a rational approximation for an irrational number.
Describe the process of finding a rational approximation for an irrational number using a calculator.
Explain why 22/7 is considered a rational approximation of \pi .
Explain why irrational numbers cannot be written exactly as fractions.
Explain why rational approximations are useful in real-life calculations.
Is the decimal 1.7320508... a rational or irrational number?
Is the number 1.4142 a rational or irrational number?
Is the number 3.1415926535... rational or irrational?
