I. Fill in the blanks (26%)
1. What is the sum of three? Can be the following formula: _ _ _ _ _ _ _ _ _ _ _; You can also list it like this: _ _ _ _ _ _ _.
2. The ton is _ _ _ _ _ _ _ _ _ _
3、( ): 8 = =( )÷( )
4. fill in ">", "
* 36 *18 *1*1hour for 45 minutes
5. To simply calculate (+) ⊙, use _ _ _ _ _ _ _ _ _ _.
6. When a× b = 1, A and B are _ _ _ _ _ _ _ _. If A is, B is _ _ _ _ _ _ _;
If b is 0. 1, A is _ _ _ _ _ _ _.
7. According to "the number of poplars is more than the number of pines", we take _ _ _ _ _ _ _ _ _ _ _ _ _ as the unit "1".
___________________×=________________________________。
8. Tons of soybean can extract tons of oil, and it takes _ _ _ _ _ tons of soybean to extract 1 ton of oil; 1 ton of soybean can squeeze _ _ _ _ _ tons of soybean oil.
9. build a road and build it alone. Team A needs 4 days, and Team B needs 5 days .. The simplest integer ratio of the work efficiency of Team A and Team B is _ _ _ _ _ _ _ _ _ _.
10, the ratio of the base angle to the apex angle of an isosceles triangle is 1: 2, and its apex angle is _ _ _ _ _ _ _. From an angle, it is also a _ _ _ _ _ _ _ _ _ triangle.
1 1, number A is number B, and the ratio of number B to the total number of A and B is _ _ _ _ _. If the total number of A and B is 80, then the number of B is _ _ _ _ _.
12. If you want to use a statistical chart to reflect the changes in your math scores this semester, you can use _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Second, the judgment (8%)
1, 18÷3× 10 can be rewritten as 18÷. ……………………………………………………( )
2. because a× = b× (a, b≠0), a > B. ...................................................... ()
The ratio of 3.0.2: 03 is. …………………………………………………………………( )
4. The length of two ropes is 2m, the first one is cut off, the second one is cut off, and the two ropes are equal in length. ( )
Third, choose (8%, choose the serial number of the correct answer and fill in the horizontal line)
1, the ratio of the perimeter to the side length of a square is _ _ _ _ _ _ _ _.
A.4:1B.1:4 c. cannot be compared.
2. If the quotient of a divided by b is 1.5, then a: b = _ _ _ _ _ _ _.
A.3 : 2 B. 2 : 3 C. 5 : 6
3. The students in Class One, Grade Six actively signed up for the sports festival game competition. There are 12 people who signed up for the "three-person four-legged" competition, "three-person four-legged" people who took part in the "long rope" competition, accounting for the whole class. The largest number of people participated in _ _ _ _ _ _ _.
A. three people and four feet B. driving pigs into the circle C. long rope competition
4. What is transported is exactly equal to what is left, that is, what is transported is the remaining _ _ _ _ _ _ _ _.
A. BC
Four. Calculation (22%)
1, the number is written directly (10%)
6÷ = 0× = ÷ = 2- = ÷ ×7=
× = 1÷ = × = ÷4= × × =
2, the following questions, how to calculate how simple.
- + - 38× ÷4+ × ÷( - )
V. Application problems (36%)
1, a piece of land is plowed with a tractor, and hectares of land are plowed every hour, which is exactly plowing. How many hectares is this land?
2. In this year's school animation contest, there are fewer students in grade five than in grade six, and there are 20 students in grade six. How many students are there in grade six than in grade five?
6 class name () _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Students in Grade 6 donate books to the open book corner of the school. Class 6 (1) donated 42 books, class 6 (2) donated 6 books (1) and class 6 (3) donated 6 books. Which class donated the most?
4. The length of the rectangular basketball court in school is 20m, and the ratio of length to width is 5: 4. What is the area of the basketball court?
Workers are repairing the 2.4-kilometer outer ring road, which is expected to be completed in five days. In fact, the whole length is being repaired every day. Can you finish it on time?
6. The school changed new desks and chairs for the students of Grade 5 and Grade 6, with 300 sets, which cost 60,000 yuan. The price ratio of tables and chairs in each set is 3: 2. How much is each table?