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Objective: Identify numbers from 100 001 through millions/billions.

Pick out all the numbers less than 100 000 from the set of numbers posted on the houses and write

them on your paper.

Check your answers using the key to correction. If your score is 8-10 you can now proceed

to do this module. If you get 7 correct answers or below, review first the past lesson.

A. Read the news item.

1. In the news item above, the given number is 2 904 487. 2. The number is read as 2 million, 904 thousand, 487. 3. There are seven digits in the number.

Review

Study and Learn

8 432

6 789

10 100

436 132

7 634

80 000

138 422

89 432

24 382 94 389

Traffic in Metro Manila is heavy because nearly one-half of the 2 904 487 vehicles in the

country are registered here.

99 999

436 849

A

45 489

B

634 312

C

123 421

GRADE IV

NUMBERS FROM 100 001 THROUGH MILLIONS/BILLIONS

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B. Study the place value chart with numbers in the thousands, millions, and billions.

PERIODS

Billions Millions Thousands Units

H T O H T O H T O H T O

2 6 8 4 1 3

7 2 1 3 6 2 5 2 8

6 9 1 3 5 0 7 2 8 4 0 0

1. How many digits are there in one thousand? one million? one billion? (4, 7 & 10 digits)

2. How many digits are there in ten thousand, ten million, and ten billion? (5, 8 & 11 digits)

3. How many digits are there in hundred thousand? hundred million? hundred billion? (6, 9 & 12 digits)

4. How many periods are there in thousands? in millions? in billions? (2, 3 & 4 periods)

5. How many place values are there in every period? (3 place values)

6. What are they? (ones, tens, and thousands)

A. Put a () if the highest place value of the number is in thousands period, a cross (x) if in millions period and (0) if in billions period. Number 1 is done for you.

__X___ 1) 6 386 796 ______ 6) 76 998 289 162

_______ 2) 24 412 ______ 7) 104 267 211

_______ 3) 214 610 241 103 ______ 8) 1 246 211 426

_______ 4) 107 901 ______ 9) 20 412 719

_______ 5) 1 263 ______10) 9 606

Try These

Remember, we identify numerals by the number of their digits.

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B. Identify the place value of the given digits from the numbers 870 905 412 and 663.

1) 7 _____ 2) 4_____ 3) 9 _____ 4) 5 _____ 5) 3 _____

C. Write T if the left most period of the number is in thousands, M if in millions, and B if in billions. Number 1 is done for you.

__M__ 1) 2 461 245

_____ 2) 305 112 461 272

_____ 3) 1 002

_____ 4) 26 412 313 721

_____ 5) 10 413 315

How do you identify a number if it is in thousands, millions or billions?

A. Write T if the number is in thousands, M if in millions, B if in billions: _____ 1. 6 014 597

_____ 2. 145 793 001

_____ 3. 206 010 371 148

_____ 4. 52 758 137

_____ 5. 425 010

Wrap Up

On Your Own

Thousands have 2 periods with 4, 5 or 6 digits.

Millions have 3 periods with 7, 8 or 9 digits.

Billions have 4 periods with 10, 11 or 12 digits.

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B. Classify the numbers below according to the period of the left-most digit by placing them under thousands, millions, or billions.

Billions Millions Thousands

1. 1. 1.

2. 2. 2.

3. 3. 3.

4. 4. 4.

Check your answers using the answer key.

14-17 - Excellent! You may now proceed to the next lesson.

10-13 - You need to review the processes missed.

0-9 - You need to repeat the whole process. Ask your teacher or elder to help you.

15 086 912 5 427 981 643 212 002 35 421

17 196 741 014 7 159 082 544 889 120 741 019

64 185 451 9 273 050 357 296 243 8 095 403 012