Grade 4 - Progress in Mathematics

Millions

1-3

Write the period of the underlined digits.

1. 45,678 2. 59,650 3. 26,545


2. 456,789 5. 567,890 6. 148,337


3. 9,456,789 8. 567,890,000 9. 617,148,337

Write in standard form.

10. thirty-one million 11. three million


11. six hundred million 13. eighty million


12. one hundred twenty million 15. fifty-two million

Recently, the population of Brazil

was 184,101,109.

In the millions period of

184 ,101,109, the value of:

1 is 1 hundred million,

or 100,000,000.

8 is 8 ten millions,

or 80,000,000.

4 is 4 millions,

or 4,000,000.

Standard Form: 184,101,109

Word Name: one hundred eighty-four million,

one hundred one thousand,

one hundred nine

1 0 1

HUNDREDSTENSONES

THOUSANDS

PERIOD

ONES

PERIOD

1 0 9

HUNDREDSTENSONES

MILLIONS

PERIOD

481

HUNDREDSTENSONES

1.1

8204-6_040-041 10/8/07 5:59 PM Page 40