When adding positive numbers, count to the right. When subtracting positive numbers, count to the left. When subtracting negative numbers, count to the right.
What is the rule when adding positive and negative numbers?
When you add or subtract positive and negative numbers, the sign of the answer depends on whether the signs are alike or which number has a larger value. Adding positive and negative numbers is simple when both numbers have the same sign. Simply find the sum of the numbers and keep the sign.
Does adding two positives make a negative?
When you have two negative signs, one turns over, and they add together to make a positive. If you have a positive and a negative, there is one dash left over, and the answer is negative.
What is the rule for subtracting?
In plain English, subtracting one number from another means reducing the value of the second number by exactly the amount of the first.
How do you calculate negative numbers?
2:355:34How to Calculate Negative Numbers - Basics - YouTubeYouTube
What is the rule for subtracting integers with different signs?
DIFFERENT SIGNS- Subtract and Keep the Sign of the Bigger Number! Subtract the absolute value of the numbers and keep the sign of the bigger number. SAME SIGNS- POSITIVE Multiply the numbers. Answer will be positive.
Do you add or subtract two negative numbers?
Rule 3: Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive. Basically, - (-4) becomes +4, and then you add the numbers.
How do you subtract positive and negative integers?
0:053:20How to Subtract Positive and Negative Integers - YouTubeYouTube
What is a general rule for subtracting integers?
Answer: a - b = a + (- b). To subtract an integer from another integer, the sign of the number (which is to be subtracted) should be changed and then this number with the changed sign, should be added to the first number.