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Math 10 – Ch. 4 -The Number System Date: __________ Complete the questions below: 1. Place the following numbers into the appropriate set: rational or irrational. 7 1 5, , 5.13657253... , , 3 8, 2 , 2.1 3 , 16 , 2 2 Rational 3 25 Irrational 2. To what sets of numbers does -4 belong? a) natural and whole b) irrational and real c) integer and whole d) rational and integer 4 3. To what sets of numbers does belong? 3 a) natural and whole b) irrational and real c) integer and whole d) rational and real 4. Place the corresponding letter of the following real numbers on the number line below. 5. Find one number which satisfies each condition. a) An integer, but not a whole number. ___________ b) A rational number, but not an integer. ___________ c) A real number, but not a rational number. ___________ d) A whole number, but not a natural number. ___________ 6. Complete the following statements using either always, sometimes, or never. a) A whole number is _______________ a natural number. b) The quotient of two integers is _______________ an integer. c) A whole number is _________________ a rational number. d) The difference between two integers is _______________ an integer. e) The square root of a number is __________________ an irrational number. f) A negative number is _________________ a whole number. g) A natural number is __________________ a real number. 7. Use estimates to explain why 8 17 is NOT equal to 25 8. In the space below: a) Draw a diagram showing the subsets of number classifications. b) Within each section, give three different examples of that type. (You may use colour and creativity!)