+ ÷ × - Integers
By Jacob Dally
Adding Integers
When adding integers you add the absolute values and use the common sign. Subtract the lesser absolute value from the greater absolute value. Then use the sign of the number with the greater absolute value.
-7 + 10 = 3
7 + (-10) = -3
Dividing Integers
When you divide integers the quotient of two integers with same sign is always positive . When you divide two integers of different signs the quotient is always negative. When you divide any integer by 0 the quotient will always be 0.
27 ÷ (-9) = -3
-36 ÷ (-6) = 6
Gauranteed to help you with integers
Multiplying Integers
When you multiply integers of two positive integers the product is always positive. When you multiply integers of two negative integers the product is always positive. When you multiply a positive integer by a negative integer the product is always negative.
3 (5) = 15
-4 ( -6) = 24
2 (-8) = -16
Subtracting Integers
When you subtract integers it is the oppisite of adding integers. When you subtract a positive integer, move to the left on the number line. When you subtract a negative integer you, move to the right on the number line. When you are subtracting two integers you rewrite the first integer, change operation to adding, and write down the oppisite of the number.
4 - 7 = 4 + (-7) = -3