The second grade mathematics examination questions Volume I thinking training questions (including answers)

The following is an article on the first volume of thinking training questions (including answers) in the second grade mathematics questions for your reference!

fill (up) a vacancy

Choose the appropriate numbers from 62, 27, 54, 73, 38, 28 and 46 to fill in the blanks.

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

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

Students do exercises, from top to bottom, Xiaojun is at 28, from bottom to top, Xiaojun is at 27, and this team has () students.

How much can I put in ()?

()-9﹤80 80-()﹤20+25

30+()-40 26 cm+() cm-1 m

() m-80m-1 6m-1m-() cm-12cm.

Divide 10 into () and (), the product of these two numbers.

Xiaoming lives on the fifth floor. It takes him 1 minute to get to the next floor, and () minutes to go home from the sixth floor to the fifth floor.

Xiaoli gets six flowers, Xiaohua gets three times more flowers than Xiaoli, and Xiaohua gets () flowers.

Saw a steel pipe with a length of15m into three sections on average, each section is () meters long, and it needs to be sawed () times.

There are three classes in Grade Two. If you transfer 1 students from Class Two to Class Two and Class Two, then the number of students in the two classes is equal. If the students of 1 are transferred from Class Two to Class Two and Class Three, there will be two more students in Class Two and Class Three. 1 Class is () more than Class 23.

Second, clever calculation (calculation by simple method)

1.400-29+362-7 1+38 2.399+299+599+ 199

application problem

There are 43 students in Class 2 * * * in Senior Two, 2 less than Class 2 1 and 4 more than Class 2 1. How many students are there in Class 3 * *?

A basket of apples weighs 30 kilograms. Half of the apples were sold, and the basket was still18kg. How much does this basket weigh? How much does this apple weigh?

Three people weigh, Party A weighs 52kg, Party A weighs 46kg and Party B weighs 48kg. What is the weight of each of them?

The black cat caught 15 fish, the white cat caught 5 fish and the flower cat caught 7 fish. How many fish should a black cat give to a white cat and a flower cat, and how many fish should three cats have?

Attach the answer

Fill in the blanks.

1.(62)+(38)=(54)+(46)=(27)+(73);

2.36;

3.54;

4.88, 36, 9 , 73 , 95 , 87;

5.5, 5;

6.4;

7.24;

8.5, 4;

9. 1, 2;

Second, clever calculation.