# Senior Two # Introduction Cultivating mathematical thinking is one aspect of cultivating logical thinking. Logical thinking emphasizes starting with accurate concept understanding, following correct judgment and reasoning methods, and solving problems in work and life more rationally and effectively from a comprehensive and systematic point of view. Logical thinking is the basic intelligence of children's writing and mathematics in the future. The following is the related information of "Five Questions of Mathematical Thinking Training in Grade Two of Primary School", hoping to help you.

A mathematical thinking training problem in the second grade of primary school

1, the weight of an apple is equal to the weight of an orange and a strawberry, and the weight of an apple and an orange is equal to the weight of nine strawberries. Excuse me, the weight of an orange is equal to the weight of several strawberries. There is a balance and nine weights, one of which is lighter than the other eight. How many times do I have to say it before I can find the lighter one?

3. Fill in the figures according to the law:

( 1)5432 1、? 432 15? 、32 154、? (? )、? 15432 1

(2)? 1,2,3(? 7? )? 2,3,4(? 14)? 3,4,5(? )

(3) 1,4,7, 10,(? ), 16,()

(4) 1,2,3,7, 1 1, 16,(? ),29

(5)2,5,4,5,6,5,(? ),5

(6)7,8, 10, 13, 17,(? )28

There is a long-distance race on the circular runway. Seven people run in front of each athlete and seven people run behind each athlete. There is a * * * (on the runway? ) An athlete?

5. Put 16 chickens into five cages respectively, so that the number of chickens in each cage is different. How to put it? Please fill in the number of chickens in each cage in the five boxes below.

6. Today, Honghong is 8 years old and her sister 13 years old. 10 years later, her sister is () years older than Honghong.

7. The bus runs every 15 minutes. My brother wants to take the 9 o'clock train at 10, but it's already 9: 20 at the station, so he has to wait () minutes before taking the next train.

8. It took 24 seconds to walk from the ground floor to the third floor. So what do you need from 1 building to the sixth floor? ) seconds.

9. The children in Class Two (1) form a rectangular team to participate in the gymnastics performance. Red left sixth, right second, front fourth, back third. Class two (1) * * * has (? ) children.

10, the parking lot starts at 8: 00 every morning, and a car is sent every 8 minutes. So from 8: 00 to 8: 40, * * * sends (? ) A car? ?

Mathematical thinking training in the second grade of the second primary school

1. Fill in the blanks with 1. Choose the appropriate number from 62, 27, 54, 73, 38, 28 and 46.

(? )+(? )=(? )+(? )=(? )+(? )

2. After Xiao Ming gave Xiao Jun 18 yuan, they both had the same amount of money, so Xiao Ming had more money than Xiao Jun (? ) yuan.

3, students do exercises, from top to bottom, Xiaojun is at 28, from bottom to top, Xiaojun is at 27, and this team of students * * * has (? ) one.

4. How much can I put in ()?

(? )-9