Subtracting Positive and Negative Decimals

Decimals Adding And Subtracting

​Decimals

​Adding and Subtracting

​Materials You Need Out

• ​Lined Paper

• ​Pencil or Pen

• ​Blank notebook for notes

​Finding where the decimal point is

​First off you have to understand where the decimal point is. It comes after the one, now something that may be confusing is that there is no ones on the right side. There is three little letters at the end that could also confuse you. They are ths. So for example it would be Hundredths instead of Hundreds. It is VERY important to remember the ths!

​Adding Decimals

​Now you need to know how to add decimals. FIRST: You need your equation (WRITE EVERYTHING DOWN). SECOND: Line it up like you would normal addition. Make sure the decimal points are lined up. THIRD: Add like normal!

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​DON'T FORGET TO SHOW YOUR WORK!

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Multiple Choice

Decimals are on the ______ side of decimal point.

• Right

• Left

• East

• West

​Subtracting Decimals

​Now you need to know how to subtract decimals. FIRST: You need your equation (WRITE EVERYTHING DOWN). SECOND: Line it up like you would normal subtraction. Make sure the decimal points are lined up. THIRD: Subtract like normal!

TIP: You can get whole numbers and​ you DO NOT have to put a decimal point

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​DON'T FORGET TO SHOW YOUR WORK!

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​You have everything you need now to help you learn decimals! You shouldn't start negative decimals just yet!