Learn to Multiply Decimals

0.3 x 0.2

= 0.06
READ this example:
= 6 hundredths

Multiplication of Decimals

is the same as

=
x

Count up the number of figures

needed after the point in the question

The previous example:   0.3 x 0.2 = 0.06

This answer can also be obtained by the using

the steps below:

Multiply the numbers

          3 x 2 = 6

Forget the points

        03 x 02

.
0.

3

=

 

0

Fill in empty

box with zero

.
x
0
0.
6
2

Count up the number of figures

after the point in the questiion.

Example

Forget the points

      3 x 5

Multiply the numbers
3 x 5 = 15
.

0.3 x 0.005

=

0. 3 x 0. 0  0  5

0
.
Fill in with zeroes
0
0

1

5

The answer will have
0.2 x 0.06 =
0.2 x 0.06

Fill in the digit

figures after the decimal

                               point.

ANSWER
1. 2 x 0.4 =
0.6 x 0.4 =
0.5 x 0.07 =
1.2 x 1.2 =
=
0.001 x 0.06

Count up the number of

figures needed after

the point.

 
23.8 x 2.6 =
Forget the points
Multiply
238 x26

the numbers

Answer

1

4

6

4

2   3    8

x   2    6

 

7
1
2
6
8

 

  8
0
8

Answer with

decimal point

Fill in the missing digits to show the working out

needed.

3.27 x 2.3
x
1.     2.5 x 2.5        =
2.     0.25 x 0.25   =

Given that 25 x 25 = 625, find the answers

to the following :

3.
4.
5.

25 x 2.5        =

0.025 x 2.5   =
0.0025 x .25 =
1.     1.6 x 0.16              =
3.      1.6 x 1.6               =
2.     0.16 x 0.016         =
Given that 16 x 16 = 256, find the value of :
4.
5.     0.016 x 16            =
0.16 x 0.16           =
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