Study and Reflection on the Examination Questions of Autumn Entrance Examination in 2008-2009 School Year

Junior one mathematics

Dear parents and classmates,

60 minutes to complete, *** 12 questions, must be completed independently!

Test paper description: if the answer is completely correct, multiple solutions, missing solutions and wrong solutions will not be scored.

1.=______。

2. As shown in the figure, the shadow area is _ _ _ _ _ (unit: cm).

There are 42 students in Class One, Grade Five, including 33 Olympic volunteers. There are 20 boys in this class, 4 girls are not Olympic volunteers, and _ _ _ _ of the boys are Olympic volunteers.

4. It is stipulated that (,is a natural number), if, then _ _ _ _.

5. The picture below is a square with sides of cm, cm _ _ _ _ _ _ _ cm.

6. A group of children went for a spring outing. The boy is wearing a small yellow hat and the girl is wearing a little red riding hood. In the eyes of every boy, there are more yellow hats than red hats; In the eyes of every girl, the yellow hat is twice as big as the red hat. Q: There are _ _ _ _ girls.

The integer part of 7 is _ _ _ _.

8. A tram leaves the tram terminal at regular intervals. A and B are walking in the same direction on the same street. A walks 82 meters every minute and meets an oncoming tram every 10 minute. B walks 60 meters every minute and meets an oncoming tram every 10 minute 15 seconds. So there is a tram at the tram stop every _ _ _ _ _ minutes?

9. There are peaches today, which are distributed to students in Class A and Class B. Some peaches in Class A are bad and some are good. Some peaches distributed by Class B are bad and some are good. There are _ _ _ _ _ good peaches distributed by Class A and Class B. ..

10. Fill in the numbers of,,,, and in the grid in the picture. The numbers filled in are different, and the number filled in by Hagrid is larger than the two next to it. * * * There is a different filling method.

1 1. Four different numbers can be arranged together to form 24 different four digits (4×3×2× 1=24). If these 24 four-digit numbers are arranged from small to large, the second one is a multiple of 5; In descending order, the second is an even number that is not divisible by 4; Ranked from small to large, the gap between the fifth and twentieth places is between 3000 and 4000. The largest of these 24 four-digit numbers is _ _ _ _ _.

12. From place A to place B, you need to go downhill first, then take a flat road, and finally go uphill. Wherein the distance between the downhill road and the uphill road is equal. It took Chen Ming three hours to drive from A to B, of which the first hour was15km longer than the second, and the second hour was 25km longer than the third. If the car goes uphill 30 kilometers slower than the flat road, then the downhill is faster than the flat road 15 kilometers. So the distance between Party A and Party B is _ _ _ _ _ kilometers?