6. The approximate weight of a grain of palay is about:
A. 10 mg
B. 10 grams
C. 1 gram
D. 1 milligram
7. The most common speed of a car:
A. 5 km/hr
B. 30km/hr
C. 60 km/hr
D. 100 km/hr
8. A pail of water is approximately:
A. 1 gallon B. 1 liter
C. 10 liters
D. 100 liters
9. The length of a pencil is about:
A. 1 foot B. 2 inches
C. 2 cm
D. 2 dm
10. The weight of a sack of rice is approximately
A. 50 kg B. 10 kg
C. 1 kg
D. 500 grams​