Subtracting a negative number is like adding a positive; you move to the right on the number line. Example 4: Subtract −4−(−7) . Start at −4 , and move 7 units to the right.
What are the rules for adding and subtracting negative numbers?
When adding or subtracting negative numbers it can be useful to use a number line .
Adding and subtracting
To add and subtract numbers always begin counting from zero.When adding positive numbers, count to the right.When subtracting positive numbers, count to the left.
Does 2 negatives make a positive?
When you have two negative signs, one turns over, and they add together to make a positive.
What is the rule for subtracting integers?
To subtract two integers, rewrite the subtraction expression as the first number plus the opposite of the second number. Some examples are shown below. To subtract two integers, add the opposite of the second integer to the first integer. This can be written symbolically as a – b = a + (-b).
How do you subtract a negative number from a positive number?
Solutions. Subtracting a negative number from a positive number result in a positive answer. This problem can also be re-written as 6 + 3 = 9. Subtracting a negative number from a positive number results in a positive answer.
What is the rule for adding and subtracting positive and negative numbers?
Addition: Different Signs, Subtract the Numbers
If you’re adding positive and negative numbers together, subtract the smaller number from the larger one and use the sign from the larger number.
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