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Multiplying or dividing two numbers with different signs will give a negative answer; E.g. Work out -4 ×-3. 4×3 = 12. Both numbers have the same sign, so the answer will be positive.-4 ×-3 = 12. E.g. Work out 12 ÷-2. 12÷2=6. The numbers have different signs, so the answer will be negative. 12 ÷-2 = -6
- Signs
- Why Does Multiplying Two Negative Numbers Make A Positive?
- Direction
- Multiplication Table
Let's talk about signs. "+" is the positive sign, "−" is the negative sign. When a number has no sign it usually means that it is positive. And we can put () around the numbers to avoid confusion.
Well, first there is the "common sense" explanation: So, two negatives make a positive, and if that satisfies you, then you don't need to read any more.
It is all about direction. Remember the Number Line? Well here we have Baby Steven taking his first steps. He takes 2 paces at a time, and does this three times, so he moves 2 steps x 3 = 6 steps forward: Now, Baby Steven can also step backwards (he is a clever little guy). His Dad puts him back at the start and then Steven steps backwards 2 steps,...
Here is another wayof looking at it. First have a play with this (explanations below): Start with the multiplication table(just up to 4×4 will do): Now see what happens when we head into negatives! Let's go backwardsthrough zero: Look at the "4" column: it goes -16, -12, -8, -4, 0, 4, 8, 12, 16. Getting 4 larger each time. Look over that table agai...
Multiplying or dividing two numbers together with the same sign gives a positive answer. If the two numbers have different signs, the answer is negative. (-6) × 3 = -18. (-4) × (-2) = 8. (-6) ÷ ...
Example: 6 + (−3) = 3. is really saying. "Positive 6 plus Negative 3 equals Positive 3". We could write it as (+6) + (−3) = (+3) The last two examples showed us that taking away balloons (subtracting a positive) or adding weights (adding a negative) both make the basket go down. So these have the same result: (+6) − (+3) = (+3) (+6 ...
If the signs are the same, then replace them with a plus. If the signs are the different, then replace them with a minus. \[5 +- 1\] The +- has different signs, so replace it with a minus. \[5 - 1 = 4\] Addition. When adding with negative numbers, we use the number line. Start at the number, then count the 'jumps' to the right. \[-4 + 3\] Start ...
If the numbers in the equation are either both positive or both negative, the answer will be a positive number. If one number in the equation is positive and the other is negative, the answer will be a negative number. You should be able to calculate: the sum, difference, product and quotient of negative numbers as well as positive numbers.
People also ask
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A negative number is any number that is less than zero. Negative numbers are written with a negative sign (-) in front of them. "-5" is read as negative 5 and has the same magnitude as 5, just in the opposite direction on the number line, as shown in the figure below. The number line shows that both -5 and 5 have the same magnitude, so -5 + 5 = 0.
