632 mm = ………..cm
a) 63.2
b) 63.200
c) 6300
d) 630
Add 50 kilometers 880 meters to 70 kilometer 750
meters is equal to…….
a) 120km, 1630 m
b) 121km, 630 m
c)120km, 1530 m
d) none of these
Subtract 3km 6m from 7km 3m.
a) 3km, 997 m
b) 3km, 7m
c) 3km, 97m
Solution: 6 1003
7 (m) -----------3(cm)
3 --------------- 6
3--------------- 997
Asma bought 2m, 50cm long white cloth and 5m, 75cm green cloth to make flags. How much is the total length of the cloth?
a) 7m, 125cm
b) 8m, 25 cm
c) 7m, 25cm
Solution: 2 (m) ---------- 50 (cm)
+ 5 --------------- 75
8 --------------- 25
How many seconds are there in 30 minutes?
a) 1200
b) 1500
c) 1800
d) 2100
Solution:1 minutes = 60 seconds
30minutes = 30 × 60 = 1800