1) The car travels 60 kilometers per hour.
2) A piece of rubber weighs about 5g.
3) The basketball court covers an area of about 450 square meters.
4) The area of a bunker is 10 (m2).
5) The area of handkerchief is about 4 (square decimeter).
6) The area of a standardized football field is about 1 (square kilometers).
Fill in the appropriate numbers in the brackets.
1)2 5/8 days =( 2) days (15)
2)3: 20 =(3 and 1/3)
3)4 tons and 50 kilograms =(4.05) tons = (4,050) kilograms
4)3.3 hours =( 198) minutes
5) 1.5 minutes = 90 seconds
6)80 o'clock =( 1 and 1/3)
7)6 hectares and 6 square meters =(60006) square meters
8)5 1/3 hours =( 5) hours (20) minutes =(320) minutes.
3. Fill in the brackets with ">" and ".
1)8 tons (>) 800 kg
2) 1.5 (
3)5 square meters and 8 square decimeters (
4)500 seconds (
4. judge.
1) Length, area, quality and time are all quantities. (right)
Verb (abbreviation for verb) selection.
1) Roll a piece of white paper with a width of 16 into the largest cylinder with a volume of about 1(B).
A. cubic decimeter cubic centimeter
Order of intransitive verbs. (in descending order)
1) 65g，0.65kg，0.0065t。
(0.0065t，0.65kg，65g) 0.65kg = 650g 0.0065t = 6.5kg
2)53 cm, 5 3/5 decimeter and 3/5 meter.
(3/5 meter, 53/5 decimeter, 53 cm) 5 3/5 decimeter =56 cm 3/5 meter =6 decimeter.
3)8300 cubic centimeters, 8 liters and 30 milliliters, 8 cubic decimeters and 3 cubic centimeters.
(8300 cubic centimeters, 8 liters and 30 milliliters, 8 cubic decimeters and 3 cubic centimeters)
8300 cubic centimeters =8 liters 300 ml
8 liters 30 ml =8030 ml 8 cubic decimeters 3 cubic centimeters =8 liters 3 ml
4)4.002 liters, 4 cubic decimeters, 200 cubic centimeters, 4 liters, 20 ml.
(4 cubic decimeters equals 200 cubic centimeters, 4 liters equals 20 milliliters, 4.002 liters)
4 cubic decimeters 200 cubic centimeters =4.2 liters, 4 liters 20 ml =4.02 liters.
5)6.3 cubic meters, 6 cubic meters, 3 cubic decimeters and 630 cubic decimeters.
(6.3 cubic meters, 6 cubic meters, 3 cubic decimeters, 630 cubic decimeters)
6 cubic meters and 3 cubic decimeters =6003 cubic decimeters.
6)8:30, 8.3, 8 and 3/5.
(8 3/5, 8 30, 8.3) 8 30 =8.5 8 3/5 =8.6.