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Splitting 6,54,823
One numeral cut into its three periods, as page 10 shows it.
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Grouping the digits into periods makes large numbers easy to read.
The student groups a 6-digit numeral into three periods and places the commas without counting wrong.
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Why big numbers get grouped, and what the three groups are called.
As the size of a number increases, we find it difficult to read. To read numerals for large numbers without any difficulty, we group the places into periods.
One numeral cut into its three periods, as page 10 shows it.
Grouping the digits into periods makes large numbers easy to read.
How the grouping turns 6,54,823 into words.
Problem. Read the 6-digit numeral 654823 by grouping it into its periods.
The two questions printed at the foot of page 11.
Let us practice finding the period and place of a specific digit. As an example, look at the numeral 3,48,016. The period of 1 is Ones, and its place is Tens. In the numeral 9,23,108, the period of 3 is Thousands, and its place is Thousands. Now, determine the values for the following digits: In the numeral 3,48,016, the period of 8 is , and its place is . In the numeral 9,23,108, the period of 9 is , and its place is .
Three items from Worksheet 5 asking for all three at once.
For each of the encircled digits listed below, state its period, its place, and its place value:
Consider how position affects place value, especially for identical digits and zeros.
Provide three answers for each of the three numbers.
Briefly explain how position affects the value of 0 and identical numbers.
Count three from the right, then two, and that is where they sit.
We insert commas in between periods to separate them visually, but how do we know exactly where they go? The golden rule is simple: always start counting from the right-hand end, never from the left.
Three from the right, then two - with the book's own example.
To separate the periods of a large numeral, start from the right and follow this pattern:
Textbook Example
or with spaces: 6 43 926