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In this worksheet, we will be looking at how to subtract decimals with one decimal place.
Example
Find out the difference:
5.1 - 2.4 = ___
Answer
Number Line Method
Look at the number line.
Start at 5.1 and move back 2 ones to get to 3.1
Then subtract 4 tenths to get to 2.7
The answer is 2.7
Column Subtraction Method
Step 1. Line up the decimal points in column subtraction.
Step 2. Subtract, starting with the tenths place on the right side of the decimal. We need to exchange, so the 5 in the ones place becomes 4 and the 1 in the tenths place becomes 11. Subtract 11 - 4 = 7.
Step 3. Now subtract in the ones place, to the left of the decimal. Subtract 4 - 2 = 2.
Answer: 2.7
The answer is 2.7
