1.60mm = (6) cm
2.2 tons = (2000) kg
3.8m = (80) decimeter
4.5000 g = (5) kg
5.3 kg = (3000) g
6.7 km = (7000) m
7.400 cm = 4 m
8.6000 kg = (6) tons
9.3 tons 500 kg = (3,500) kg
10.3600 km = (3) km (0.6) m
1 1. 1 ton-320kg = (780) kg
12.480mm+520mm =( 1000)mm =( 1)m。
13.7008kg = (7) tons (8) kg
14.4m 7 cm = (407) cm
15.1m-54cm = (46) cm
16.830g+ 170g =( 1000)g =( 1)kg。
Stack 17.20 sheets with a thickness of 1 mm and 100 sheets with a thickness of (5) mm. 。
18. Each paper clip is 30mm long and 1 mm thick. So the two paper clips are (60mm) long when buckled.
Second, fill in the appropriate unit name in () (65438+ 0 points for each question, ***7 points).
1. The height of the big tree is 17 (m).
A kitten weighs 2 kilograms.
The train runs at 78 kilometers per hour.
A tank weighs 6 tons.
5. The key is 60mm long.
6. A pear weighs 320g.
7. floret height 130 (cm).
Three. Fill in ""or "=" in ○ (each question 1, 8 stands for * *).
1.4 tons (>) 499 kg
2.3 decimeter (=) 300mm
3.700 mm (
4.600 kg (
5 5. 10/0kg (>)100g
6 6. 10/0m (>) 900 cm
7.3 decimeter 7 cm -9 cm (
8. 1 ton 800kg (>) 1080kg
Fourth, choose the serial number of the correct answer and fill in () (2 points for the eighth question, the rest 1 point, ***9 points).
1. 1 small bag of jiaozi powder weighs 5 (②).
① grams ② kilograms ③ tons
2. The width of the math textbook is 145 (①).
① mm ② cm ③ decimeter
3. The carrying capacity of Huanghe brand car is 7 (③).
① grams ② kilograms ③ tons
4. Wuhan Yangtze River Bridge is 5102 shorter than Nanjing Yangtze River Bridge (②).
① decimeter ② meter ③ kilometer
5. An egg weighs about 70 (③).
① tons ② kilograms ③ grams
6. A pen is 14 (②).
① Decimeter ② cm ③ mm
7.4 kg (③)4 km.
① = ② < ③ Cannot be compared.
8. There are 22 steps between the two floors, and the height of each step is 15cm, rising from the first floor to the fourth floor (②).
① 1320m②990cm③ 1320cm。
Verb (abbreviation of verb) Judgment: Mark "√" for the right and "×" for the wrong in (), and correct it on the horizontal line (2 points for each question, *** 10).
1. Zhao Liang's living room is 5 cm long.
(×)
Zhao Liang's living room is 5 meters long.
The load of a car is 8 kilograms.
(×)
The load capacity of a car is 8 tons.
A vegetable field is 48 kilometers long.
()
Change: ().
A bag of flour weighs 45 tons.
()
Change: ().
Xiaoling weighs 3 1 kg.
()
Change: ().
Six, column calculation (3 points per question, *** 12 points)
The number 1.A is 108, which is three times that of B. What is the sum of A and B?
2. The number A is 43, which is more than the number B 13. What is the number B?
3. Divide 1 ton into 4 parts on average. How much is each part?
4. How many grams is100g less than 3 times of 1kg?
Seven, answer the application questions (4.5 points per question, ***36 points)
1. A road is 8 kilometers long. A road repair team repairs 250 meters every day. 16 days, how many meters are left?
2. The flour mill keeps 900 bags of flour, each bag is 50kg. It takes several times to transport flour to the grain store by a 9-ton truck.
3.a and B are 860 kilometers apart. A car travels from place A to place B at a speed of 60 kilometers per hour. 1 1 hour later, how many kilometers is it from B?
There are 54 tons of coal in the freight yard, which have been shipped out four times, and there are 6 tons left. How many tons per shipment?
5. Xiaohua walked 2 10 meters in 3 minutes. The speed of a car per minute is 9 times that of Xiaohua. How many meters does the car travel per minute?
The fruit shop sent 340 kilograms of apples and 260 kilograms of pears. The total weight of apples and pears delivered is six times that of oranges. How many kilograms of oranges were delivered?
7. Two drilling teams. The first team drilled1.900m, 200m less than the second team. How many kilometers did the two teams drill?
8. One machine weighs 800 kilograms, and 30 such machines are transported by cars with a load of 5 tons. How many times does it take to transport them?