|
|
|
|
 |
|
|
 |
|
 |
Set 1-1 (pages
4–5) |
 |
 |
Write the word form and tell the value of
the red digit for 158,392,640,736.
One hundred fifty-eight billion, three
hundred ninety-two million, six hundred
forty thousand, seven hundred thirty-six
The 5 is in the ten billions place.
Its value is 50,000,000,000. |
| Remember that each group of three digits
starting from the right forms a period, and
periods are separated by commas. |
|
| 1. |
470,063,021 |
|
| 2. |
2,800,470,309 |
|
| 3. |
623,150 |
|
| 4. |
18,000,636,000 |
|
| 5. |
33,001 |
|
| 6. |
706,539,002,400 |
|
| Set 1-2 (pages 6–7) |
 |
Write >, <, or = for  in
8,967,563 8,938,256. |
|
| 8,967,563 Compare the ten thousands. 8,938,256 |
|
6 ten thousands > 3 ten thousands
So, 8,967,563 > 8,938,256. |
|
Remember to line up the place values
to
help you compare. |
| 1. |
32,901,461 32,911,461 |
|
| 2. |
23,856 3,691 |
|
| 3. |
47,600,963 47,603,984 |
|
| Set 1-3 (pages 8–11) |
 |
| Write the word form and tell the value of
the red digit for the number 3.068. |
Remember to write the word and for
the decimal point. |
 |
| 1. 8.926 |
2. 5.14 |
|
| 3. 0.363 |
4. 1.275 |
|
| 5. 2.007 |
6. 9.85 |
|
Three and sixty-eight thousandths
The 6 is in the hundredths place.
Its value is 0.06. |
| Set 1-4 (pages 12–13) |
 |
Write >, <, or = for in 6.52 6.54.
6.52 Compare the hundredths.
6.54
2 hundredths < 4 hundredths
So, 6.52 < 6.54. |
Remember that equivalent decimals, like
0.54 and 0.540, can help you compare. |
| 1. |
9.063 9.603 |
|
| 2. |
0.06 0.04 |
|
| 3. |
4.463 4.492 |
|
| 4. |
1.4 1.40 |
|
| 5. |
7.239 7.328 |
|
| 6. |
0.547 0.54 |
|
 |
|
|
|
|
|
|
|
|
|
|