1.4.05kg = () g.
2.3 km 23 m = () km
3.20 square meters and 4 square decimeters = () square meters = () square decimeters.
4. The writing of 8075 million tons is (), and the number in billions is ().
5.7.093 Keep two decimal places about () and one decimal place about ().
6. Enlarge 10.35 by 1000 times () and then reduce1000 times ().
7. The number consisting of 300,000 and 405 tens is (), which is read as: () Rounded to ten thousand places is about ().
Second, the oral problem (6 points for each small question *** 12 points)
1.89÷ 100= 0.82+0.08= 73× 1=
0.63× 10= 4÷ 10= 17÷ 1000=
2.0.56+0.4= 1.25× 100= 5.6+99=
100÷25= 1-0.93= 90-0.9=
Third, simple calculation (5 points for each small question *** 25 points)
1.794- 198
2.68×25
3.6756- 193-207
4.72× 125
5.97×360+3×360
Four, the calculation problem (5 points)
428×(3080- 1980)-742
Verb (abbreviation of verb) written narrative question (5 points for each small question *** 10)
1.978 minus 5 times 126. What's the difference?
2. The quotient of1560 divided by a number is 26. Did you find this number?
List the equations whose unknown number is x, and then solve them.
Six, application problems (1-2 7 points for each question, 8 points for the third item, 22 points for the * * *)
1. A clothing factory produced 850 suits in five days. According to this calculation, how many suits are produced a month? (30 days a month)
2. The store delivered 8 baskets of apples, 12 baskets of pears, with 38kg apples and 42kg pears in each basket. How many kilograms of fruit did this shop ship?
3. A construction site needs 240 tons of cement, which will be transported by five vehicles. Each car carries 3 tons at a time. How many times does it take to transport it? (There are two comprehensive solutions)