semester 1 Chapter 1 -Integers

SEMESTER 1


TYPES OF INTEGERSPOSITIVEINTEGERS- 1, 2, 3,4…i.e. the natural numbersare called positive integers.NEGATIVEINTEGERS- -1, -2...

ZEROZero is neithernegative norpositive. It isgreater thanevery negativeinteger andsmaller thanevery positiveinteger.



MATHEMATICAL APPLICATIONS OF INTEGERSThe sum of two integers is also an integer.Example: -5 +7=+2The difference of ...
       
Comparing Integers Replace the □ with <, >, or = to make the sentence true. Example 1: - 9 □ 8 - 9 < 8 Example 2: 83 □ 84 ...
What is absolute value? The distance of some number from zero on the number line Absolute Value is ALWAYS positive! What d...

 The set of integers are denoted by Z or I





















www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-add-and-subtract/cc-7th-add-and-sub-integers/e/integer-addition-and-subtraction-2




Rules Summary for Division • Positive ÷ Positive = Positive • Negative ÷ Negative = Positive • Positive ÷ Negative= Negati...
Multiples that are common to two or more numbers are said to be common multiples • Ex.. Multiples of 2 are 2, 4, 6, 8, 10,...
The smallest common multiple of two or more numbers is called the lowest common multiple (LCM). Multiples of 8 are 8, 16, ...
Find the LCM of the following given number 1. 6 and 8 2. 10 and 4 3. 8 and 10 4. 9 and 4 5. 12 and 16






























 Let’s Check 1) 18 ÷ (-2) = -9 2) -48 ÷ (-6) = 8 3) -27 ÷ 9 = -3 4) 64 ÷ 8 = 8 5) 30 ÷ (-5) = -6






 


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