grade7-integresbyaddingandsubtracting-220910141429-ea76e60e.pptx

This PowerPoint presentation is for 7th graders. It is all about the rule of adding integers.

1. M athematics

2. I ntegers Topic

3. By the end of the class, you will be able to: Learn basic concept of integers Determine integers on number line Memorize rules for addition and subtraction of integers Add and subtract integers What is absolute value? O bjectives

4. Whole number Negative number Positive Number Integer KEY WORDS

5. Introduction Together, the positive (or counting) numbers, negative numbers and zero are called INTEGERS

6. Value of integers

7. I ntegers FORMULA Adding two positive integers (+) will always result in a positive integers Adding two negative integers (-) will always result in a negative integers Adding one positive (+) and one negative (-) integer will result in: Positive number if positive integer is greater Negative number if negative integer is greater

8. a). 8 + 9 = b). - 8 – 9 = c). - 8 + 9 = d). + 8 – 9 = a). (-7) + (-6) = b). ( 7) + (6) = c). (- 7) + (+6) = d). ( +7) – (+6) =