In mathematics, we deal with numbers. Arithmetic is its elementary branch and its operations includes division, multiplication, addition, and subtraction. These operations we can compare and divide the things equally as sum (total) or a difference of something are common practices. You can apply Arithmetic operations to all real numbers that have integers too. We denote integers by Z. Rules of integers for addition and subtraction - When we group positive, negative, and zero together, we call them integers that are not fractions. Natural numbers follow simple addition and subtraction rules in a very similar fashion. There are some extended laws that we can apply for this skill. But, learn the rules for addition and subtraction and you will be good to go. Positive and negative rules - Added and subtracted integers can be positive and negative. The rules of them are as follows. (+) × (+) = + Plus × Plus = Plus, (+)×(-) = - Plus × Minus = Minus, (-)×(+) = - Minus × Plus = Minus, (-)×(-) = + Minus × Minus = Plus. Rules for addition - When we add two positive values, the result will be a positive sum. When we add two negative values, the answer will be a negative-sum. When we add positive and negative values, we will have two possibilities. Either we will have the answer in positive or negative number. It depends on the given number's value. Rules for subtraction - Here are three possibilities. We subtract between two positive, two negative and positive, negative number together. We will need to convert the negative sign into addition. After this, we will take number's inverse that comes after the sign.
This section is a quick review for sums and differences. Students will start with basic reminders and prompts to help them through the body of work. Remember your rules for negative and positive numbers mixture. The trick one is when you subtract a negative number that is basically the same thing as addition. These worksheets explain how to add and subtract positive and negative integers. Some questions are true or false, and others will use number lines.