THE GREAT MATH ADVENTURE



Rational Numbers If a number can be written as a __________________, it is a rational number. Circle the rational numbers. -30.197 12 0.2 36-90.123451497…In summary, which kind of these numbers are rational numbers?Integers ____________________________________________________________Fractions___________________________________________________________Decimals ___________________________________________________________Square Roots ________________________________________________________Irrational NumbersAn _____________________ number can’t be written as a _____________________.Decimals will be _________________ and __________________.Circle the irrational numbers1620 10 2 9 0 0.353535…. 0.76 0.7621… 0.767 2π In summary, the only irrational numbers are:Square roots _________________________________________________________Decimals ___________________________________________________________Numbers that have ____________________________________________________Closure PropertyIf performing an operation on any two numbers in a set ALWAYS results in a number in that set, the set is closed under that operation.True or False. If false give a counterexample.The set{-1, 0, 1}is closed onaddition.The set{even numbers}is closed ondivision.The set{even numbers}is closed ondivision by 2.The set{multiples of 5}is closed ondoubling.The set{positive numbers}is closed onsubtraction. Determine if the following is rational or irrational. 7. 9. 11. 13. Which of the following is a rational expression. Explain your reasoning. B. C. What kind of number would you get if……………You added a rational and a rational number RATIONALIRRATIONAL BOTHYou added a rational and an irrational number RATIONAL IRRATIONAL BOTHYou multiplied rational and a rational number RATIONAL IRRATIONAL BOTHYou multiplied a rational and an irrational number RATIONAL IRRATIONAL BOTHYou added an irrational and an irrational number? RATIONAL IRRATIONAL BOTHYou multiplied an irrational and an irrational number? RATIONAL IRRATIONAL BOTHAnswer “True” or “False” for the following questions. If the statement is false, provide a counterexample.The product of two rational numbers is always rational.The sum of a rational number and an irrational number is always a rational number.The product of a rational number and an irrational number is always irrational.The difference of two rational numbers is irrational.The sum of two rational numbers is always an integer ................
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