
Subtracting Positive and Negative Decimals
Presentation
•
Mathematics
•
3rd - 7th Grade
•
Hard
Joseph Anderson
FREE Resource
7 Slides • 4 Questions
1
Decimals Adding And Subtracting
2
Decimals
Adding and Subtracting
3
Materials You Need Out
Lined Paper
Pencil or Pen
Blank notebook for notes
4
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!
5
Fill in the Blanks
Type answer...
6
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!
DON'T FORGET TO SHOW YOUR WORK!
____________________
7
Fill in the Blanks
Type answer...
8
Multiple Choice
Decimals are on the ______ side of decimal point.
Right
Left
East
West
9
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
DON'T FORGET TO SHOW YOUR WORK!
____________________
10
Fill in the Blanks
Type answer...
11
​
You have everything you need now to help you learn decimals! You shouldn't start negative decimals just yet!
Decimals Adding And Subtracting
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