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3˙—‡ -A˙ · 2–‡ 2011.3.22 9:31 PM ˘ ` 167 PDF_In 2540DPI 100LPI T
NUMINO
The thousands places should have the largest 2 . a . 1,101, 4,082
digits, then the hundreds, and then the tens
places. The ones places should have the b . 3,064, 5,000
smallest digits.
3,504, 4,560
Sample Answers
46, 1 0 5 8 c . 2,222, 5,030
+ 2379 3,211, 4,041
3,43 7 3,600, 3,652
The thousands places should have the smallest Unit 04. From the Space Station to Pluto
non-zero digits. The hundreds places should
have zero or the next smallest digits. The tens P. 32~33
places should have the second largest digits.
The ones places should have the largest digits. Solve 6,200 5,000 to find out.
6,200 5,000 = 1,200
Activity 3 P. 30~31 Ryan is 1,200 km from the space station.
1 . a. 3,020 604 2,200 2,084
Solve 5,000 1,850 to find out.
646 3,248 1,000 1,030 5,000 1,850 = 3,150
2,024 1,004 2,624 1,204 Ricky must travel 3,150 km to reach the space
1,600 2,052 1,820 2,420 station.
b. 1,303 4,215 1,002 2,848 How many kilometers is Ricky from Ryan?
- Solve 6,200 1,850 to find out.
4,075 1,683 4,035 3,000 - 6,200 1,850 = 4,350
1,800 2,008 3,020 2,378 - Ricky is 4,350 km from Ryan.
2,005 3,370 1,646 3,040
How many kilometers is Ricky from Pluto?
c. 4,080 1,022 4,500 1,532 - Solve 9,999 1,850 to find out.
- 9,999 1,850 = 8,149
3,004 2,528 4,320 1,555 - Ricky is 8,149 km from Pluto.
3,000 3,504 2,525 3,077
1,000 5,016 1,016 2,500 How many kilometers is Ryan from Pluto?
- Solve 9,999 6,200 to find out.
d. 1,206 5,800 1,005 6,040 - 9,999 6,200 = 3,799
- Ryan is 3,799 km from Pluto.
6,020 1,243 6,033 1,234
4,203 3,043 4,013 3,638 How far is the space station from Pluto?
3,561 3,715 2,600 3,638 - Solve 9,999 5,000 to find out.
- 9,999 5,000 = 4,999
- The space station is 4,999 km from Pluto.
Answers 167
NUMINO
The thousands places should have the largest 2 . a . 1,101, 4,082
digits, then the hundreds, and then the tens
places. The ones places should have the b . 3,064, 5,000
smallest digits.
3,504, 4,560
Sample Answers
46, 1 0 5 8 c . 2,222, 5,030
+ 2379 3,211, 4,041
3,43 7 3,600, 3,652
The thousands places should have the smallest Unit 04. From the Space Station to Pluto
non-zero digits. The hundreds places should
have zero or the next smallest digits. The tens P. 32~33
places should have the second largest digits.
The ones places should have the largest digits. Solve 6,200 5,000 to find out.
6,200 5,000 = 1,200
Activity 3 P. 30~31 Ryan is 1,200 km from the space station.
1 . a. 3,020 604 2,200 2,084
Solve 5,000 1,850 to find out.
646 3,248 1,000 1,030 5,000 1,850 = 3,150
2,024 1,004 2,624 1,204 Ricky must travel 3,150 km to reach the space
1,600 2,052 1,820 2,420 station.
b. 1,303 4,215 1,002 2,848 How many kilometers is Ricky from Ryan?
- Solve 6,200 1,850 to find out.
4,075 1,683 4,035 3,000 - 6,200 1,850 = 4,350
1,800 2,008 3,020 2,378 - Ricky is 4,350 km from Ryan.
2,005 3,370 1,646 3,040
How many kilometers is Ricky from Pluto?
c. 4,080 1,022 4,500 1,532 - Solve 9,999 1,850 to find out.
- 9,999 1,850 = 8,149
3,004 2,528 4,320 1,555 - Ricky is 8,149 km from Pluto.
3,000 3,504 2,525 3,077
1,000 5,016 1,016 2,500 How many kilometers is Ryan from Pluto?
- Solve 9,999 6,200 to find out.
d. 1,206 5,800 1,005 6,040 - 9,999 6,200 = 3,799
- Ryan is 3,799 km from Pluto.
6,020 1,243 6,033 1,234
4,203 3,043 4,013 3,638 How far is the space station from Pluto?
3,561 3,715 2,600 3,638 - Solve 9,999 5,000 to find out.
- 9,999 5,000 = 4,999
- The space station is 4,999 km from Pluto.
Answers 167
