SUBTRACTING TENTHS

Subtracting tenths is very similar to subtracting whole numbers. It is important to line up the numbers by the correct place value.

5 tenths animation

.5

Five tenths -
3 tenths animation

.3

Three tenths
2 tenths animation

.2

Two tenths

 

 

1.0

One whole (which equals ten tenths) minus

10
10

-.3

Three tenths

3
10

.7

 

7
10

Notice that the whole number one is written as 1.0 so that the numbers can be lined up to be subtracted more easily.

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