Lesson 1, Topic 1
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# Place Value

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Each digit in a whole number and decimal number has a place value, based on its position from the right.

The value of a digit in the number is the digit multiplied by the place value.

Example: 9783 . 2465

### Rules for Decimal Place values

Below are the place value rules in the number9783.2465 above;

The first digit to the left of the decimal point is in the units/ones place,i.e. 3 units.

The second digit to the left of the decimal point is in the tens place,i.e. 8 tens.

The third digit to the left of the decimal point is in the hundreds place,i.e. 7 hundreds.

The fourth digit to the left of the decimal point is in the thousands place,i.e. 9 thousands.

The first digit to the right of the decimal point is in the tenths place,i.e. 2 tenths.

The second digit to the right of the decimal point is in the hundredths place,i.e. 4 hundredths.

The third digit to the right of the decimal point is in the thousandths place,i.e. 6 thousandths.

The fourth digit to the right of the decimal point is in the ten-thousandths place,i.e. 5 ten-thousandths.

Place Value Chart

Example 1

Give the digits in ones place and tenths place in the number 75.39

Solution

Step 1:

75.39

In the given number 75.39, the digit in ones place is 5 as it is the first digit to the left of the decimal point.

Step 2:

75.39

The digit in tenths place is 3 as it is the first digit to the right of decimal point.

Example 2

Sample:  9 453   276 . 1847

Solution

9 – Million

4 – Hundred thousands

5 – Ten thousands

3 – Thousands

2 – Hundreds

7 – Tens

6 – Units

. = Decimal point

1 – Tenths

8 – Hundredths

4 – Thousandths

7 – Ten thousandths

Example 3

What is the value of 5 in number 31.8752

Solution

3 = Tens

1 = Units

. = Decimal point

8 = Tenths

7 = Hundredths

5 = Thousandths

2 = Ten thousandths

: 5 is thousandths in number 31.8752

Example 4

What is the value of 9 and 3 in number 97814.060253?

Solution

a. 9 in 97814.060253 is ten thousands

b. 3 in 97814.060253 is millionths

JSCE 2019 Mathematics Past Question error: