1. Math training questions in the second volume of the second grade of primary school
First, estimate. 1, Beijing to Dalian, air tickets to 620 yuan, train tickets 147 yuan. Taking a train is about () yuan cheaper than flying.
2. A book has 237 pages, and there are about () pages left to read.
3. There are 150 students in Grade One and 170 students in Grade Two. Two grades * * * need () disposable syringes.
4. There are 528 bottles of mineral water in cold drink shops, of which 184 bottles were sold, about () bottles. I sold 2 19 popsicles in the morning, 392 in the afternoon and about () today.
5. The Shanghai Radio and Television Tower is 468 meters high, and the Central Radio and Television Tower is 405 meters high. Shanghai Radio and Television Tower is about () meters higher than the Central Radio and Television Tower.
Second, solve the problem.
1, electric fan 1, 134 yuan, bicycle 1, 289 yuan.
Electric fan 2278 Yuan Bicycle 2 196 yuan
Electric fan 3, 125 yuan for bicycle 3, 3 15 yuan.
Miss Wang has 500 yuan's money. What kind of bicycles and electric fans can I buy?
2. 2 bags of washing powder, 800 g/kloc-0 per bag/bag of washing powder weighs 2 kg, which is heavier? Why?
Xiaoming went to the park to play bumper cars. 3 yuan bumper cars/people, Xiaoming spent * * * 12 yuan. How many times did Xiao Ming call?
Xiaohua sent a letter to the post office. 60 cents stamps are issued in this city, and 80 cents stamps are issued elsewhere. Xiaohua has 1 letter sent to this city and 3 letters sent to other places. How much is a letter?
5, 8 bowls, 14 chopsticks, how many guests can you divide?
2. Math training questions in the second volume of the second grade of primary school
1. Teacher Xiao Zhang bought a 20-meter-long rope, cut off 5 meters to repair the net, and made a skipping rope every 2 meters. How many skipping ropes can he make? How many meters are left? There are 35 students in Class Two, Grade Two. Every four students have a desk. How many tables can they sit? How many people have no place to sit?
3. Master Zhang bought 19 bottles of mineral water, each with 2 bottles. How many people can he give? How many more bottles?
There are 25 children in the amusement park. If there are four people on each child plane, how many children planes do you need? How many children are left?
There are 34 guests in the drink shop. If every six guests sit at a table, how many tables can they sit at? How many people are left?
3. Math training questions in the second volume of the second grade of primary school
1 and 1000 have () hundred. 2940 consists of () one hundred yuan and () ten yuan.
3. The number of 409 tens is ().
4. 2356 consists of () thousand, () hundred, () ten and () one.
5. Write down the following figures.
Two hundred, five tens and six in Zhang Yiyuan, and four hundred and eight in Zhang Yiyuan.
6, three digits is (), the smallest three digits is (), they are different ().
The four digits of 7 are (), and the smallest four digits are (). They are different ().
8. The three digits are (), and the smallest four digits are (). They are different ().
9. In the numerical table, the third digit from the right is (). The fourth place is ().
10, a four-digit number with () digits.
1 1, one pear weight 150 ()
A pumpkin weighs 4 pounds.
A volleyball weighs 450 ()
A bag of instant noodles weighs ()
12, in ○, "