6.12 Time Goes By Worksheet With Answer Key Page 5
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11• • • • • • • • • • • • • • • • • • • • • • Answer Key
Page 32
Page 36
Page 40
Area of square = 144 cm
2
Area of parts (A + B + C + D +
(dates as of year 2000)
1. 4° C
E) = 144 cm
2
1.
2.
1.
1. 378 yr.
2. 20° C
Possible steps to finding the
2. 3,800 yr.
3. 38° C
areas of each part:
3. 369 yr.
4. 27° C
To find the area of section E (64
4. 187 yr.
5. 0° C
cm
2
), subtract the area of A (8
3.
4.
5. 3,000 yr.
6. 100° C
cm
) from the area of one-half
2
6. 2,100 yr.
7. 77° F
the square (72 cm
2
).
7. 383 yr.
8. 50° F
Section B and section C are
8. 334 yr.
9. 99° F (98.6° F)
congruent. Sections B, C, and
10. 167° F
5.
6.
D make up one-half the square.
Page 38
11. 86° F
To find the area of B (30),
1. 70° F
12. 140° F
subtract the area of D (12 cm
2
)
2. 32° F
from the areas of B + C + D (72
3. 98° F
Page 41
cm
2
), and then divide that
4. 20° F
1. 9 m.p.h.
difference by 2.
Page 34
5. 50° F
2. 45 miles
Section areas in square
1. 3 hr 35 min
6. 98.6° F; .4° F
3. 50 m.p.h.
centimeters: A = 8, B = 30,
7. 52° F
4. 43.75 m.p.h.
C = 30, D = 12, E = 64
2. 1 hr 40 min
The sum of the parts
8. 32° F
5. 11.2 m.p.h.
3. 6 hr 25 min
(8 + 30 + 30 + 12 + 64) = the
9. 180° F
6. 168 miles
4. 6 hr 55 min
whole (144).
10. 113.4° F
7. 270 miles
5. 2 hr 35 min
11. 4.4° F
8. 578.5 m.p.h.
Pages 44 and 45
12. 72° F
9. 107.8 m.p.h.
6. 8 hr 6 min
Answers will vary.
13. 29.4° F
10. 135 m.p.h.
7. 7 hr 56 min
Page 46
14. 112° F
Page 42
8. 2 hr 16 min
1. 944 mi.
2
Page 39
1. 10 hr.
9. 190 days 13 hr 32 min
2. 387,823 mi.
2
1. 20° C
2. 3 hr.
3. 654,879 mi.
2
10. 91 days 3 hr 39 min
2. 33° C
3. 2.5 hr.
4. Illinois
11. 34 wk 3 days 14 hr
3. 98° C
4. 7 m.p.h.
5. Montana
40 min
4. 50° C
5. 7.5 hr.
6.–7. Answers will vary.
12. 15 wk 6 days 5 hr 6 min
5. 10° C
6. 52.5 m.p.h.
6. 20° C
7. 787.5 hr.
13. 26 days 12 hr 34 min
7. 122° F
8. 117.5 hr.
14. 13 days 19 hr 25 min
uncomfortably hot
9. 13.5 hr.
Page 35
8. 0° C
10. 15 hr.
1. Feb./Mar.
9. 22° C
2. Ending in 29, the first
Page 43
10. 40° C
month must be February.
11. 50° C
3. Feb. 19th
12. 89° C
4. Apr. 4th
4 cm
A
13. C. short sleeves
5. Mar. 18th
4 cm
14. E. swim suit
6. 5
E
15. B. ice skates
7. 31 days
B
16. D. light jacket
8. 275 days
17. A. heavy parka
9. Mar. 1
10. December 26th
C
11. April 23rd
D
12. Monday
48
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