Rules for intergers
| Description: | A study guide for add/divide/multiply/subtract integers MATH |
| Category: | Math |
| Created by: | kirstystudy on 2005-09-13 |
| Stack ID: | 22888 |
| Question | Answer |
| +/- When signs are alike, you ___ | add and keep the same sign |
| +/- When signs are different you ___ | subtract and take the sign of the bigger number |
| +/- A double negitive equals a ____ | positive |
| multiply/divide like signs, the answer is ____ | positive |
| multiply/divide diffrent signs the answer is ____ | negative |
| negative and subtraction are the ___ ___! | same thing! |
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When you are adding integers if the signs are the same they stay that sign ex) 2+4=6 -2+-4=-6 When you are multiplying if you have an even number of negatives the answer is going to be positive. If you have an odd number of negatives it is an negative answer. ex) 2x-9=-18 -2x-9=+18. When dividing if there is a even number of negatives the answer will be negative ex) -18/9=-2 -18/-9=2 the farther away left you go the smaller the number is and the farther right you go the big the number it is have fun!!!!!!!! yhn you mutiplay numbers you havt to make shuer that you fallow the rules abuve ex do thes problems -9-21= +9/-12= 89-(-100) -81x12 |
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