Subtracting positive and negative numbers can also be tricky because there are several rules to remember and follow.. Rule 1: Subtracting a positive number from a positive number—this is normal subtraction. There are only three rules to remember: Rule 1: A positive number times a positive number equals a positive number. "+" is the positive sign, "−" is the negative sign. Adding positive numbers, such as 2 + 2, is easy. You are now standing on −2. Subtracting Negative and Positive Integers. Let's talk about signs. If both signs are positive, the answer will be positive. When we add a negative number to a positive number, or two negative numbers, that can sometimes seem tricky. Face the positive direction again and take two steps backwards. the direction you were facing), a positive move. But we're starting at negative 2, and then we're subtracting 3 again. To subtract integers, change the sign on the integer that is to be subtracted. DIFFERENT SIGN (Sum of a negative and a positive number): Think Subtraction then use the sign of the # with the larger absolute value (-7) + 4 = -3 (-3) + 7 = 4 6 + (-9) = -3 5 + (-3) = 2. And I'll put 0 over here. positive ( or ) positive = positive Ex: 10 2 = 5 negative ( or ) negative = positive Ex: –4 (–3) = 12 negative ( or ) positive = negative Ex: 18 (–2) –9 Tutoring and Testing Center Negative x Positive = Negative Positive x Negative = Negative • change double negatives to a positive. Rule 1: Adding positive numbers to positive … Go back to zero again, but this time you are going to walk backwards (a negative move). This is the multiplication you have been doing all along, positive numbers times positive numbers equal positive numbers. For example, 5 x 3 = 15. So this was positive 2 minus 3. However, there are some simple rules to follow and we introduce them here. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ends Cyber Monday: Get your study survival kit for 50% off! Now let's think about negative 2 minus 3. So once again, let's draw our number line. Hence negative × positive = negative; In both of these examples, you have moved forwards (i.e. positive- change to negative. Division (÷) Subtracting Positive and Negative Numbers. 2. Just change the minus sign (the one that’s the operator) to a plus sign, change the number that the minus sign was in front of to its opposite, and then follow these rules for adding positive and negative numbers: (+4) – (-4) Keep change change (+4) + (+4) NOW USE THE RULES FOR ADDING: SAME SIGN- Add absolute values and keep sign: (+4) + (+4) = 8 MULTPLYING INTEGERS SAME SIGNS- POSITIVE Multiply the numbers. Signs. So this is 0, this is 1, this is negative 1, negative 2, negative 3, negative 4, negative 5, negative 6, and I could keep going. Start studying MATH POSITIVE AND NEGATIVE RULES. 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