1. The document provides information about reading and writing numbers up to 10 million in symbols and words, including place value, grouping digits, and writing numbers in standard form. 2. Examples are given for writing numbers in standard form, identifying place values, and converting between numeric and word representations of numbers up to billions. 3. Practice exercises are included for writing numbers in standard form and word form for numbers up to hundreds of millions.

1. Reading and Writing Numbers
up to 10,000,000 in symbols
and in words

2. Give the place value of the underlined digit
1. 92, 367 , 850
2. 5, 620, 473
3. 24, 537, 890

3. Boys Girls
92 367 850 58 016 327
5 620 473 256 340 198
24 537 890 10 854 763
How do you read these numbers?
Which digit has the biggest value?
How many digits have in 10 million?
What do you call a 7 digit number?
What is the population of the Philippines in 2010?

4. Millions Thousands Units
Place
Value
Hundred
Millions
Ten
Millions
Millions Hundred
Thousan
ds
Ten
Thousands
Thousands Hundreds Tens Ones
6 0 0 0 6 2 3
Ninety-two
million
Three hundred sixty-seven
thousand
Eight hundred fifty
How to write in words?
In this table, the number can be written as 92 367 850.
How do you read this number?

5. 1. Where to write first the whole number by period using the
place value chart?
2. How is this number written in numerals?
3.What is the largest period in a four period numeral?
4. What do you place when one of the place values is not
mentioned in a period?
5. How many digits can be written in a place value?
You can also leave a space between periods when writing
millions in standard form.
Discussion

6. Millions Thousands Units
Place
Value
Hundred
Millions
Ten
Millions
Millions
Hundred
Thousands
Ten
Thousands
Thousands
Hundreds
Tens
Ones
8 1 3 6 5 8 3 4
7 6 2 0 0 4 9 6 8
Group I- How many digits can be written in a place value?
Group II- How are the digits grouped?
Group III- Where do we start grouping by 3`s?
Group IV- What do you place when one of the place values is not mentioned
in a period?
Group I-IV- How to write it in standard form?
How to write in words?

7. Millions Thousands Units
Place
Value
Hundred
Millions
Ten
Millions
Millions
Hundred
Thousands
Ten
Thousands
Thousands
Hundreds
Tens
Ones
1.
2.
3.
Practice Exercises:
Exercise 1. Use the chart below to write this number in standard form.
1. Twelve million, six hundred thousand, three hundred fifty-five
2. Three hundred six million, four hundred eighty nine
3. Seventy million, nine hundred eight thousand, two hundred one
Millions Thousands Units
Plac
e
Valu
e
Hundred
Millions
Ten
Millions
Millions
Hundred
Thousands
Ten
Thousands
Thousands
Hundreds
Tens
Ones
1.
2.
3.

8. Practice Exercises:
Exercise 2.
Write the following numerals in words:
1.538 230 142
2.7 008 416
3.79 563 004

9. Generalization:
1.How many periods are there in a billion?
2.What are the periods in a billion?
3. Where do you start reading numbers?
4. How is each period separated from the other?
5. What is placed after each period when writing numbers
in words?

10. Evaluation:
A. Write each number in standard form:
1. 49 million, 806 thousand, twelve
2. 308 million, 462 thousand, seventy eight
3. 64 million, 12 thousand, forty six
B.Write the following numerals in words.
1. 15 421 034
2. 9 088 007
3. 28 780 560

11. Assignment:
A. Write each number in standard form:
1. 65 million, 880 thousand, five hundred eight
2. 44 million, 460 thousand, twenty five
3. 78 million, 15 thousand, sixty four
A. Write the following numerals in words.
1. 15 421 034
2. 9 088 007
3. 28 780 560