Update your skills. See page 1.Thousands
1-1
A place-value chart makes understanding
large numbers easier.In 206,493 the value of:
2 is 2 hundred thousands or 200,000.
0 is 0 ten thousands or 0.
6 is 6 thousands or 6000.
4 is 4 hundreds or 400.
9 is 9 tens or 90.
3 is 3 ones or 3.In numbers larger than 9999,
use a comma to separate
the periods.Standard Form: 206,493Word Name: two hundred six thousand,four hundred ninety-threeWrite the place of the red digit.
Then write its value.- 6 ,541 2. 7, 843 3. 3,9 62 4. 5 ,034
- 2 7,142 6. 46 ,359 7. 65, 186 8. 9 2,170
- 15 6,143 10. 9 83,567 11. 4 95,638 12. 37 4,826
- 6 32,018 14. 275 ,941 15. 32 1,235 16. 1 76,404
- 20 5,866 18. 652, 048 19. 520 ,124 20. 80 4,397
Four-digit numbers
may be written with or
without a comma.2 0 6HUNDREDSTENSONESTHOUSANDS
PERIODONES
PERIOD4 9 3HUNDREDSTENSONESEach group of 3 digits
is called a period.1.18204-6_036-037 10/8/07 5:57 PM Page 36