fill (up) a vacancy
4.32 Yuan = () Yuan () Jiao () fen
2. 12 yuan = () Yuan () Jiao () Min.
9.07 Yuan = () Yuan () Jiao () fen
0.26 Yuan = () Yuan () Jiao () fen
7.70 Yuan = () Yuan () Jiao () fen
5 decimeter = () () meter = () meter
7 decimeter = () () meter = () meter
8 decimeters = () () meters = () meters
4 decimeter = () () meter = () meter
6 decimeter = () () meter = () meter
1 cm = 100 1 m = () m.
24 cm = () () m = () m
58 cm = () () m = () m
45 cm = () () m = () m
26 cm = () () m = () m
4 1cm = () () m = () m
4 m 5 mm 7 cm = () m
4 m 50 cm = () m
8 m 7 m 1 cm = () m
5 decimeters and 2 centimeters = () meters.
3 m 5 mm 9 cm = () m
7 m 1 decimeter 6 cm = () m 7.72 = () yuan.
7 yuan 1 angle 8 points = () yuan 4 yuan 5 angle = () yuan.
9 yuan 3 points = () Yuan Fill in the unit:
8.37 yuan =8( )3( )7 ()
4. 15 yuan =4() 1( )5() 0.24 yuan =2( )4 ().
9.36 yuan =9( )3( )6 ()
Second, compare sizes.
5.23○4. 12 5.2○4.2 45.2○45 1.2○3.2 6.3○6.8
0.23○.26 0.8○0.9 0.452○0.89 5.629○5.69 9.2○9.08
fill (up) a vacancy
1, and fill in the appropriate numbers in brackets.
0.2 yuan = () angle 4.50 yuan = () yuan () angle.
5.6m = () m () cm1.45m = () m () decimeter () cm.
2. Compare sizes.
0 .05 ○ 0 .5
0.46 ○ 0.45
0.39 ○ 0.40
1.28 ○ 10.28
0.07 ○ 0.06
5.6 ○ 5.7
45 cm 0.6 m
5.20 tons○ 5.2 tons
6.20 yuan, Cape 6.20.
Fourth, longitudinal calculation.
0 .6 + 4 .3 1 .35 + 13 .7 6 .2 - 3 .8
4 .5 - 2 .3 8 .4 - 7 .5 1 . 1 + 0 .3
Five, problem-solving exercises
1. 389 students from Chunyu Primary School visited the Natural History Museum. Each car must carry 45 people. Is it enough to rent 9 cars?
2. How much does it cost for Xiao Ming to buy 20 8-corner stamps, 30 6-corner stamps and a * * *?
3. The basketball court is 28m long and15m wide. How many square meters is its area? How many square meters is the half court?
4. A square, its circumference is 64 meters, how many square meters is its area?
The length of a swimming pool is 35 meters, and Xiao Ming swam three times. How many meters did he swim?
6. There are 9600 kilograms of goods, and two cars can be shipped in four installments. How many kilograms does each car transport on average?
7. The library * * * has 126 books, which are placed on 3 shelves, each with 6 floors. How many copies are put on each floor on average?
8. A truck can transport eight televisions at a time, three times a day. How many TV sets can be delivered in a month (calculated by 30 days)?
9. Mom bought 240 apples. Each layer contains 8 pieces, and each box contains 3 layers. How many boxes can a * * * hold?