Summary:Learn how to add and subtract negative and positive numbers in mathematical problems.
This will help you to calculate weather temperatures more easily and be successful in your business by knowing when you have negative profit and preventing your business to become broke
.
Key Vocabulary:
Commutative Property - The order of the addition or multiplication of two numbers does not change the result.
Absolute Value - The absolute value of a number is it's distance from 0 on the number symbolized by 1.1
Irrational - a number in which the decimal portion ends and doesn't repeat
Task Analysis:
1. Locate the number you are subtracting or adding on the number line.
2. Convert your two signs (+, -) into one only sign.
3. Describe whether: if you are adding you move to right, or if your subtracting move to the left on the number line.
4. Locate your answer and plot you sign (+, -) if any.
Example:
A)
3.
4. -10+12=2
B)
1. 5+ ( -3 ) = 2. 5 - 3 =
3.
4. 5-3=2
1. -10 - (-12) =
2. -10+12=
3.
4. -10+12=2
B)
1. 5+ ( -3 ) = 2. 5 - 3 =
3.
4. 5-3=2
Adding and Subtracting Negative and Positive Numbers at CIMT.playmouth.ac.uk/
Adding and Substracting Negative and Positive Numbers at themathpage.com
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