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Freshman Number Sets Week 3. Review Irrational Numbers Numbers that cannot be written as a fraction Rational Numbers Numbers that can be written as a.

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Presentation on theme: "Freshman Number Sets Week 3. Review Irrational Numbers Numbers that cannot be written as a fraction Rational Numbers Numbers that can be written as a."— Presentation transcript:

1 Freshman Number Sets Week 3

2 Review Irrational Numbers Numbers that cannot be written as a fraction Rational Numbers Numbers that can be written as a fraction Decimals that repeat Decimals that stop √25, ½, 5, 0.123, … Real Numbers Set of all irrational and rational numbers

3 Review Integers Positive and negative counting numbers (plus 0) {…-3, -2, -1, 0, 1, 2, 3…) Whole Numbers Counting numbers starting at 0 {0, 1, 2, 3…} Natural Numbers Counting numbers starting at 1 {1, 2, 3…}

4 Practice Choose the answer choice that most specifically defines the given number: 1)-2 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real

5 Practice Choose the answer choice that most specifically defines the given number: 1)-2 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real -2 is not a whole number, whole numbers are not negative.

6 Practice Choose the answer choice that most specifically defines the given number: 2)0 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real

7 Practice Choose the answer choice that most specifically defines the given number: 2)0 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real Natural numbers start at 1. 0 is the smallest whole number.

8 Practice Choose the answer choice that most specifically defines the given number: 3)2 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real

9 Practice Choose the answer choice that most specifically defines the given number: 3)2 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real

10 Practice Choose the answer choice that most specifically defines the given number: 4)π a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real

11 Practice Choose the answer choice that most specifically defines the given number: 4)π a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real Pi is approximately … it is a decimal that doesn’t stop and doesn’t repeat so it is irrational

12 Practice Choose the answer choice that most specifically defines the given number: 5)½ a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real

13 Practice Choose the answer choice that most specifically defines the given number: 5)½ a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real Integers are not fractions.

14 Practice Choose the answer choice that most specifically defines the given number: 6)-8 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real

15 Practice Choose the answer choice that most specifically defines the given number: 6)-8 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real Whole numbers cannot be negative.

16 Practice Choose the answer choice that most specifically defines the given number: 7) … a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real

17 Practice Choose the answer choice that most specifically defines the given number: 7) … a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real Decimals that do not stop and do not repeat are irrational.

18 Practice Choose the answer choice that most specifically defines the given number: 8)3.5 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real

19 Practice Choose the answer choice that most specifically defines the given number: 8)3.5 a. natural, whole, integer, rational, real b. whole, integer, rational, real c. integer, rational, real d. rational, real e. irrational, real This decimal stops so it is rational. 3.5 is equal to 7/2.


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