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Counting numbers 42 Integers -17 0 3½ 1.1 What are integers and how are they related to other numbers? The first number system you ever used as a natural child was the _______________ numbers or ___________________ numbers. counting They are made up of the numbers you used count to _________________ how many of something. ( 1, 2, 3, 4, 5, 6, 7, 8, ……… ) Natural (Counting Numbers) 1,2,3,4,5,… As you got older you realized that you needed a symbol to represent nothing. The symbol used to represent nothing is ___________. 0 “zero” As soon as you used this new symbol, you were using a new set of numbers called the whole ____________ numbers. Whole ___________numbers are all of the zero counting _______________ numbers and ________. (0, 1, 2, 3, 4, 5, 6, 7, ………) Whole 0 Natural (Counting Numbers) 1,2,3,4,5,… Then, as you got even older and more sophisticated, you began to see a need to represent zero numbers smaller than _______________. integers These numbers are called ________________. whole They are made up of all of the _______________ opposites numbers and their __________________. Opposites __________________ numbers are numbers that same zero are the __________ distance from ____________ different on a number line in ________________directions. ( …-4,-3, -2, -1, 0, 1, 2, 3, 4, … ) Integers Whole -18 All whole numbers and their opposites. Includes -3 Negatives. 0 Natural (Counting Numbers) 1,2,3,4,5,… Just when you thought you could not get more sophisticated, you realized that there needed to part be ways to represent a _________ of something. These numbers are called rational ________________ numbers. They are numbers that can be written as a fraction ratio __________ or a __________________ using integers ______________. Examples would be… Can you think of a number that cannot be ratio/fraction written as a _____________? Rational Numbers: Numbers that can be written as a fraction or the ratio of two integers. -3/4 .6 -0.3 Integers Whole -18 All whole numbers and their opposites. 0 Natural 7/10 (Counting Numbers) 1,2,3,4,5,… Includes -3 Negatives. *Includes repeating and terminating decimals Now, just when you think there can’t be any other numbers, SURPRISE, there are. irrational They are called ____________________ numbers and they are numbers that ______________ CAN NOT be written as a ratio/fraction using only _______________ integers ________________. The operations that you are familiar with are +, -, x, ÷, and exponents. Another square operation is finding the ________ _________of a number. The symbol for this root is ___. means what number multiplied by ________________ itself equals 4? Counting numbers 1 2 3 16 4 25 5 36 6 49 7 64 8 81 9 these are called perfect squares ? This is not a perfect square because there is no integer that can be multiplied by itself to equal the answer. Can you think of some other irrational numbers? Irrational Numbers Numbers that can NOT be written as a fraction or the ratio of two integers. Non-repeating, non-terminating decimals. 2 π Rational Numbers: Numbers that can be written as a fraction or the ratio of two integers. -3/4 .6 -0.3 Integers Whole -18 All whole numbers and their opposites. 0 Natural 7/10 (Counting Numbers) 1,2,3,4,5,… Includes -3 Negatives. *Includes repeating and terminating decimals All of the numbers we have talked about are in one BIG group called the real _____________ numbers. Real Numbers: Irrational Numbers Numbers that can NOT be written as a fraction or the ratio of two integers. Non-repeating, non-terminating decimals. 2 π Both Rational and Irrational Numbers Rational Numbers: Numbers that can be written as a fraction or the ratio of two integers. -3/4 .6 -0.3 Integers Whole -18 All whole numbers and their opposites. 0 Natural 7/10 (Counting Numbers) 1,2,3,4,5,… Includes -3 Negatives. *Includes repeating and terminating decimals Please get out your homework and your graphic organizer. Quietly get your clicker. Answer the following 75% 13% 13% 10 00 2 0% 50 A.50 B. 2 C. 100 D.10 Participant Leaders Points Participant 100 Chambers 100 McKim 100 Perry 100 Raifsnider 100 Renehan 100 Van de Castle 0 McClintock 0 Wine Points Participant Answer the following 88% 13% 7 0% 25 .5 0% 5 A.5 B. 2.5 C. 25 D.7 What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number 7 75% 13% 13% 0% 0% 0% Participant Leaders Points 300 Participant Chambers 300 300 300 McKim Raifsnider Van de Castle 200 200 200 100 McClintock Perry Renehan Wine Points Participant What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number 50% 38% 13% 0% 0% 0% What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number 88% 13% 0% 0% 0% 0% Participant Leaders Points Participant 500 Van de Castle 400 Chambers 400 McKim 400 Raifsnider 400 Renehan 300 McClintock 300 Perry 300 Wine Points Participant What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number -21 50% 25% 13% 13% 0% 0% Fastest Responders Seconds 7.828 Participant McClintock 8.969 14.75 15.031 Van de Castle Raifsnider Renehan Seconds Participant What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number 75% 25% 0% 0% 0% 0% What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number 63% 38% 0% 0% 0% 0% What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number 75% 25% 0% 0% 0% 0% Participant Leaders Points Participant 800 Van de Castle 600 Raifsnider 500 McClintock 500 Renehan 400 Chambers 400 McKim 400 Perry 300 Wine Points Participant What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number 88% 13% 0% 0% 0% 0% If a number is a whole number it is ALWAYS an integer. A.True B.False 50% 50% What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number 50% 25% 13% 0% 0% 13% What is the BEST name of the following number? A. Counting number B. Irrational number C. Real number D. Integer E. Rational number F. Whole number 3.65 88% 13% 0% 0% 0% 0% If a number is a counting number, it is always an integer. A.True B.False 50% 50% Participant Leaders Points 1200 Participant Van de Castle 900 700 700 Renehan Perry Raifsnider 600 Chambers Points Participant If a number is an irrational number it is never a whole number. A.True B.False 63% 38% If a number is an integer it is never a rational number. A.True B.False 88% 13% Participant Leaders Points Participant 1200 Van de Castle 1000 Renehan 800 Perry 800 Raifsnider 700 Chambers 700 McClintock 700 Wine 600 McKim Points Participant