Page 174 - NUMINO TB_3B

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2 . a . 1, 30 b . 1, 80 c . 2, 70 NUMINO
d . 2, 40 e . 6, 90
10,

Activity 2 P. 16~17
1 . a . 2,000
b . 3,000
c. 5
2 . b . 1, 979 d. 7 10,
30,
d . 6, 40 c . 2, 800
g . 3,010
3 . a . 2, 600 f . 9,240
d . 6, 800
4 . a . 3, 300 h . 1,008
d . 4, 600
b . 4, 100 c . 4, 200

e . 8, 100

b . 1, 900 c . 3, 700 10, 10, 10, 10
10, 10, 10, 10
e . 2, 700 20, 20, 20
30, 40, 30
Activity 3 P. 18~19

1 . 3 m 34 cm + 1 m 72 cm = 5 m 6 cm Activity 1 P. 24~25
1. a.
2 . 3 m 34 cm 1 m 72 cm 1 m 62 cm
12
The bus is 1 m 62 cm longer than the car. 4 48

3. A B C ADC 4
8
2,700m 1,800m 8
+ 2,300m + 3,500m 0

5,000m 5,300m d . 24

The distance from A to C passing B is shorter. 2 . a . 21 b . 31 c . 11 h 10
e . 11 f . 23 g . 44
4 . (12 + 5 + 6) 2 46 (km) i . 23 j . 31 k . 11 l . 12

The round-trip distance from A to B is 46 km.

Unit 19. Sharing Items Activity 2 P. 26~28

10, 1 . a . 7, 5 b . 7, 1 c . 9, 2 d . 9, 5

P. 22~23 2 . 2, 1, 2, 1 Answers 163

15, 3, 3, 2 3

23, 3 4 95
4

15
12

3