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By the signs: 2+2(Add) 2-2(Subtract) +=add -=subtract

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โˆ™ 2009-10-26 23:59:55
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Q: How do you know whether you should add or subtract the value of the two numbers?
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Explain why it is important to line up decimal numbers by their place value when you add or subtract them?

explain why it is important to line up decimal numbers by their place value when you add or subtract them


What are compatable numbers?

Compatible Numbers are numbers that are close in value to the actual numbers and easy to add, subtract, multiply or divide mentally


How do you find the value of x when you have three other numbers?

add the three numbers the subtract 180 from your sum


How do you add two numbers with opposite signs?

Subtract the absolute value of the smaller number from the absolute value of the larger number. The answer will have the sign of the larger numbers.


Why is it important to line up decimal numbers by their place value when you add or subtract them?

It is the same reason that when adding whole numbers, they are all aligned to the right. It is so that columns of numbers are aligned according to their place value.


How should you use the graph to determine the range of the temperature data?

Fnd the lowest value and subtract it from the highest value.


Why it is important to line up decimal numbers by their play value when you add or subtract them?

This is true for adding and subtracting ALL numbers, not just decimal representations.


What are the rules in adding real numbers?

Rules: Unlike SignsSubtract the absolute value of the number and copy the sign of the number with greater absolute value.


Why do you subtract to find the range?

The range is the distance from the smallest value to the largest value. This is equivalent to the largest value MINUS the smallest value. Therefore you subtract.


What is negative three plus positive five?

-3 +5 = +2 Note: To add numbers with different signs. subtract the numbers then copy the sign of the number with the greater value.


How do you subtract three sixteenths from 70 and a half?

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Why is it important to always subtract the earlier value from the later value when finding the change in mass instead of always subtracting the smaller value from the larger one?

If you always subtract the smaller value from the larger one, the number that you tell other people lets them know how much the mass changed, but it doesn't tell them whether the mass increased or decreased as time passed.


What is the compatible number of 77?

Compatible numbers are numbers that are close in value to the actual numbers and easy to add, subtract, multiply, or divide mentally.So a logical compatible number for 77 would be 80.


What does value mean in Forth grade math?

value means an amount of how much items you have,whether it is numbers,pets,food,etc.


What is the difference between the largest and the smallest values in a set of numbers?

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What is the value of the digit in the hundreds place if 5 digit number are odd numbers?

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How do you determine Percent of change between two numbers?

Step 1: Take the old value and subtract it from the new value, then divide by the old value. Step 2: Multiply by 100. That number represents the percent change.


If 68 plus x equals 126 what is the value of x?

The conclusion is easy. Take your numbers 68 and 126, and subtract. 126 - 68 equals 58, so 58 is the value of x.


What is the rule for adding integer?

If the integers have the same sign (poitive or negative) you should add them together. If they have a different sign you subtract the numbers and the answer will take the sign of the number with the greatest absolute value (the number farthest from zero on a numberline) in the problem.


How does understanding place value help you to subtract across zeros?

Understanding place value helps me to subtract across zeros by putting a \ on it


How much further means to add or subtract?

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Is 199 the range value that can be rounded off to 200?

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How do you find the mid value in statistics?

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How can you subtract numbers in Microsoft Excel?

You use the minus sign. All formulas begin with an equals and most values are entered in cells, which can then be used in formulas. So if you want to subtract the value in cell A3 from the value in cell A1, then in a cell other than A1 or A3 you would put:=A1-A3


Why is it important to add and subtract integers?

It is important to add and subtract integers: to get a new integer value in mathematics .