Goals: Introduce the Integers, the concept of negative numbers. What are the Integers? The concept of opposite being represented by ““ Opposites of opposites, or double negatives. Ordering the numbers Absolute Values: (Use Goals as a section header for the transition into each topic) What are the Integers? The Opposite of a number, “negatives” defined The of any number, is the number which represents the same quantity but indicates the opposite “Negative” meaning of that number. Ex: If 6 represents 6 dollars/pencils/cars you “having” Then -6 represents you 6 dollars/pencils/cars “owing” Ex: If 7 represents you 6 dollars “earning” Then -7 represents you 6 dollars “spending” Ex: If 2 represents you to the for 2 places on a number line “moving right” Then -2 represents you the for 2 on the same number line “moving to left” The Opposite or Negative of any number, call it N, is the unique number called the opposite or negative –N. of N. It has the property of the original number N. “canceling out” Or For every number N, there is an opposite number such that –N We pronounce the symbol -2 in one of two ways: “Negative two” opposite of “the two”
Goals: Introduce the Integers, the concept of negative numbers. What are the Integers? The concept of opposite being represented by ““ Opposites of opposites, or double negatives. Ordering the numbers Absolute Values: (Use Goals as a section header for the transition into each topic) What are the Integers? The Opposite of a number, “negatives” defined The “Negative” of any number, is the number which represents the same quantity but indicates the opposite meaning of that number. Ex: If 6 represents you “having” 6 dollars/pencils/cars Then -6 represents you “owing” 6 dollars/pencils/cars Ex: If 7 represents you “earning” 6 dollars Then -7 represents you “spending” 6 dollars Ex: If 2 represents you “moving to the right” for 2 places on a number line Then -2 represents you “moving to the left” for 2 on the same number line The Opposite or Negative of any number, call it N, is the unique number –N. called the opposite or negative of N. It has the property of “canceling out” the original number N. Or For every number N, there is an opposite number –N such that We pronounce the symbol -2 in one of two ways: “Negative two” “the opposite of two”
20_2.1_an_introduction_to_the_integers.docx