document.write( "Question 462552: Need help with neg. And pos. Numbers to started \n" ); document.write( "
Algebra.Com's Answer #317075 by MathLover1(20849)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "Tips:\r \n" ); document.write( "\n" ); document.write( " When working with rules for positive and negative numbers, try and think of weight loss, or poker games, or baying items to help solidify 'what this works'. \n" ); document.write( " Using a number line showing both sides of 0 is very helpful to help develop the understanding of working with positive and negative numbers/integers.\r \n" ); document.write( "\n" ); document.write( "with positive and negative numbers (integers) you can do: adding, subtracting, multiplying and dividing\r \n" ); document.write( "\n" ); document.write( "Adding Rules:\r \n" ); document.write( "\n" ); document.write( "Positive + Positive = Positive \n" ); document.write( "5 + 4 = 9 \r \n" ); document.write( "\n" ); document.write( "Negative + Negative = Negative\r \n" ); document.write( "\n" ); document.write( " (- 7) + (- 2) = - 9 \r \n" ); document.write( "\n" ); document.write( "Sum of a negative and a positive number: Use the sign of the larger number and subtract\r \n" ); document.write( "\n" ); document.write( "(- 7) + 4 = -3\r \n" ); document.write( "\n" ); document.write( "Subtracting Rules:\r \n" ); document.write( "\n" ); document.write( "Negative - Positive = Negative\r \n" ); document.write( "\n" ); document.write( "(- 5) - 3 = -5 + (-3) = -8\r \n" ); document.write( "\n" ); document.write( "Positive - Negative = Positive + Positive = Positive\r \n" ); document.write( "\n" ); document.write( " 5 - (-3) = 5 + 3 = 8 \n" ); document.write( "Negative - Negative = Negative + Positive = Use the sign of the larger number and subtract (Change double negatives to a positive)\r \n" ); document.write( "\n" ); document.write( "(-5) - (-3) = ( -5) + 3 = -2 \n" ); document.write( "(-3) - ( -5) = (-3) + 5 = 2\r \n" ); document.write( "\n" ); document.write( "Multiplying Rules:\r \n" ); document.write( "\n" ); document.write( "Positive x Positive = Positive \n" ); document.write( " 3 x 2 = 6 \n" ); document.write( "Negative x Negative = Positive \n" ); document.write( "(-2) x (-8) = 16 \n" ); document.write( "Negative x Positive = Negative \n" ); document.write( " (-3) x 4 = -12 \n" ); document.write( "Positive x Negative = Negative \n" ); document.write( " 3 x (-4) = -12\r \n" ); document.write( "\n" ); document.write( "Dividing Rules:\r \n" ); document.write( "\n" ); document.write( "Positive ÷ Positive = Positive \n" ); document.write( " 12 ÷ 3 = 4 \n" ); document.write( "Negative ÷ Negative = Positive \n" ); document.write( "(-12) ÷ (-3) = 4 \n" ); document.write( "Negative ÷ Positive = Negative \n" ); document.write( " (-12) ÷ 3 = -4 \n" ); document.write( "Positive ÷ Negative = Negative \n" ); document.write( " 12 ÷ (-3) = -4 \n" ); document.write( " |