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subject: Decimal Place Names [print this page]


Introduction to decimal place names:
Introduction to decimal place names:

Decimal place is nothing but the position of a digit to after the decimal point, habitually recognized by consecutive ascending ordinal numbers with the digit straight away to the right of the decimal point being first. For example ,in the number 1.2 the number 2 indicates decimal place tenth .In this section we are going to discuss the decimal place names.

Decimal Place Names:

Let us take a number, 19.678.

From this number

1 indicates place value ten.

9 indicates place value one.

6 indicate '6/10' (tenths decimal place)

7 indicate '7/100' (hundredths decimal place)

8 indicate '8/1000' (thousandths decimal place)

Decimal place names

Example problems for decimal place names:

Example 1:

Calculate the following 11.9+15.7-0.5+0.8

Solution:

Given that, 11.9+15.7-0.5+0.8

Numbers of digits behind decimal point are equal.

Step 1: Adding positive numbers,

= 11.9+15.7 +0.8

= 28.4.

Step 2: Negative integer add to the primary step

= 28.4 0.5

= 27.9

The solution is 27.9

Example 2:

Calculate the following 18.2+0.19-19.7+1.3

Solution:

= 18.2+0.19-19.7+1.3

Numbers of digits behind decimal points are equal.

Step 1: Adding positive numbers,

= 18.2+0.19+1.3

= 19.69

Step 2: Negative number add to the initial step

= 19.69 1.3

= 18.39

The solution is 18.39

Addition for decimal place names:

Problem 1:

Add the following 16.3+16.5+18.7+19.9

Add the positive value,

=16.3+16.5+18.7+19.9

= 71.4

The solution is 71.4

Problem 2:

Add the following 17.6+18.5+1.7+2.9

Add the positive value,

=17.6+18.5+1.7+2.9

=40.7

The solution is 40.7

Example problem for decimal place names:

Subtraction for decimal place names:

Problem 1:

Find 99.3-3.5-1.8-2.7

= 89.3-33.5-11.8-22.7

Subtract the negative value,

= 91.3

The solution is 91.3

Problem 2:

Find 81.6-18.5-12.7-1.9

Subtract the negative value,

= 81.6-18.5-12.7-1.9

= 48.5

The solution is 48.5

Multiplication for decimal place names:

Problem 1:

1.3 * 13.5 * 1.2

Multiply the positive value,

= 1.3 * 13.5 * 1.2

= 17.55* 1.2

= 21.06

The solution is 21.06

Problem 2:

10.9 * 10.8 * 10.1

Multiply the positive terms,

= 10.9 * 10.8 * 10.1

= 117.72 * 10.1

= 1188.97

The solution is 1188.97

Division for decimal place names:

Problem 1:

5.7/0.6

Divide the positive numerator value,

= 5.7/0.6

= 9.5

The solution is 9.5

Problem 2:

7.5/8.8

Divide the numerator value,

= 7.5/8.8

=0.85

The solution is 0.85

Practice Problem for Decimal Place Names:

Problem1: 5.22+8.3+8.2

Answer: 21.72

Problem2: 5.23+9.2+1.2

Answer: 15.63

Problem3: 15.2+1.2+5.2

Answer: 21.6

by: jeri




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