Page 53 - Arithmetic

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Chapter Nine
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Expressing numbers in ones and tens

The value of a digit depends on its place in the number.
A digit is any number from 0 to 9. The first place from
the right of the number is known as ones. The second

place is called tens.

Example 1 Write the place value of number 9.

Solution

Number 9 has only one digit. Hence 9 is in the ones

place.
9

ones

Example 2 Write the place value of number 12.

Solution
Number 12 has two digits. The first place from the

right has 2 and second place has 1. Hence, 2 is in the

ones place and one in the tens place.

1 2

ones

tens

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Mathematics STD 1.indd 46 03/08/2019 11:17