Integer - Positive and Negative Whole Numbers including Zero, This model shows the definition of a zero pair as one positive 1 and one negative 1, 3 groups of - 4 - -12, 3 groups of + 4 - +12, Split -12 into 4 groups. How many in each group? - -3, Split -12 into 3 groups. How much per group? - -4, When you add a negative integer to a positive, will you always get a positive sum? - No, You will only get a positive sum if you have MORE positives than negatives when adding integers., What happens when you subtract a negative integer? - Subtracting negative integers is the same thing as adding positive integers. , What is the same value as 7 - (-5) ? - Add 5 positives to seven, What is the same value as 7 - 5 ? - Subtract 5 negatives to 7 positives, the multiplication problem modeled - - 4 x - 2 = 8, -3 x -3 is the same thing as - (-3)2  or three squared,

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