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you add and subtract decimals by writing down your number and then line up your decimal's.yourwelcome kinda smart for a math problem like that

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โˆ™ 2010-12-14 18:52:47
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Q: How do you add and subtract decimal models?
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How is adding and subtracting decimals similar to and different from adding and subtracting whole numbers?

You write down the numbers you want to add and subtract, making sure the decimal points are aligned. Then, you add (or subtract) EXACTLY as you would add or subtract integers. The decimal point in the solution should be aligned with the decimal points in the original numbers.


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


How do you add or subtract decimal?

how do we add or subtract decimal? its the same thing as using regular subraction and addition. Example: 12.4 +8.1 ______ =20.5 The same in subtraction! Just keep the decimals alligned!


How can i use decimal models to add decimals?

You can use decimal models to add decimals by using the hundedths blocks as used in base-ten blocks and add the following decimals you need to and use the hundredths block to shade in the total.


What are the four fundamentals operation with decimal numbers?

Add, subtract, multiply and divide.


How do you subtract 0.5 from 0.05 how do you work it out it?

To subtract 0.5 from 0.05 first line up the decimal points in your equation. If you need to add a zero behind the 5 in 0.5 so you get 0.50. Then subtract as if there was no decimal point (take it as 50-5). After you subtract bring the decimal point down. You should end up with 0.45.


How do you subtract with decimal?

Its easy, dont worry about the decimal and do regular subtraction and at the end just add the decimal right under all the other decimals.


Does deposit mean to add or subtract?

deposit = add withdraw = subtract


How do we get the estimated sum and difference of decimal number?

(A) Add them together.(B) Subtract the smaller from the larger.


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.


How do you make decimal a fraction?

Add the bed subtract the close divide the legs and pray to god you don't multiply


Does how many mean add or subtract?

does how many mean add or subtract


What are the advantages of writing fractions in deciamal form?

Fractions in decimal form are easy to compare and to add and subtract from one another.


What do you do if there is an whole number in an adding and subtractingdecimal problem?

You can add or subtract it as a whole number. If you must use its decimal form, you just stick a decimal point at the end the whole number!


Does decrease mean to add or subtract?

subtract


What happens when you add and subtract energy?

How do you add or subtract energy?


How do you add and subtract like denominator?

You add or subtract only the numerators


What do you have to add to subtract a rational number?

You have to add the additive inverse. To subtract q, you add -q.


How do you know whether you should add or subtract the value of the two numbers?

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


How do you add or subtract decimals?

-to add or subtract decimals, line up the decimal points -add or subtract the same way you do with whole numbers ex: 12.4 +8.1 ______ 20.5 You can also do this strategy: 2.0 +6.0 _____ 8.0


How does a place value chart help you add and subtract decimals?

Place Value Charts help you because they put the decimal in the right place.


When it says how much add or subtract?

it means to subtract


Does decrease mean to subtract or to add?

Subtract.


Can you add or subtract under the radical?

Yes, you can add or subtract under the radical.


How do you subtract a decimal from a fraction?

You can either convert the decimal to a fraction and then subtract (3/4 - 0.5 = 3/4 - 2/4 = 1/4), OR you can convert the fraction to a decimal and then subtract (3/4 - 0.5 = 0.75 - 0.5 = 0.25).