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With all of the rules and scenarios, remembering how to add and subtract negative numbers can be difficult. Hereamp;#39;s a little trick to help you remember. Letamp;#39;s say we want to solve 3 plus -7. First, imagine a number line with a bird sitting on our first number, 3. The operation plus or minus tells you which end of the number line to look at. Since weamp;#39;re adding, our little bird will look right toward the positive end. Our second number tells us how far to move and which direction to move. Weamp;#39;ll move forward if itamp;#39;s positive and backwards if itamp;#39;s negative. Since our second number is a -7, our little bird is going to move backwards seven spaces. Since he landed at -4, thatamp;#39;s our answer: 3 plus -7 equals -4. Letamp;#39;s try another one. What about -2 minus -4? Our first number is -2, so thatamp;#39;s where weamp;#39;ll start. Our operation is a minus, so our bird will look left towards the negative end. Our second number is a -4; th
