The fourth grade next volume mathematics examination paper topic.
First, fill in the blanks. (Each grid 1 minute, 25 points in total)
1. Calculation (270+770? 55)? 19- 10 should calculate the () method first, and then calculate the () method, and the calculation result is ().
2. Fill in ○? & gt？ & lt？ Or? =? .
2.05 2.50 4 km 6 mm 4.6 km
73. 1○47.3 1 3.60○3.6
3. 125? 13? 8= 13? ( 125? 8) Applicable law () and law ().
In four minutes. 7.8, 0.087, 7.08, 8.07, 0.708, the maximum number is () and the minimum number is ().
5. A chair 34 yuan, a desk 166 yuan, the school bought 35 sets of desks and chairs (each set includes a desk and a chair), which cost a total of () yuan.
6. A decimal, the integer part is 100, the tenth place is 2, and the percentile is 9. This decimal number is written as () and read as (). Decimals are roughly accurate to the tenth place ().
7. Two decimal places are about 9.2 to the power of 10, the largest number is (), and the smallest number is ().
8. You can see at most () faces of a cuboid from one direction.
9. Combine the following three formulas into a comprehensive formula:
875-468=407
26? 18=468
407+93=500
The comprehensive formula is. (2 points)
10. The nature of decimal: addition? 0? Or remove it? 0? , the size of the decimal ().
For example: 0.70=() 105.0900= () (this is a simplification of decimals)
1 1. Huanhuan went to the supermarket and bought a bag of biscuits. The price is a decimal point. The careless cashier overcharged Huanhuan 46.8 yuan because she didn't see the decimal point when checking out. The correct price of biscuits should be () yuan.
12. A three-dimensional figure, viewed from the front, is viewed from the left. Building such an object requires at least () small cubes and at most () small cubes.
Second, multiple choice questions. (each question 1 point, total1point)
1. The decimal number greater than 0.4 and less than 0.5 is ().
A.1b.2c. It's countless.
Aunt Wang typed 350 words in 5 minutes. According to this calculation, she needs () points to type 840 words.
10
3. Read two of the following numbers? Zero? Yes ().
190.07
4. In the following formula, () can make the calculation simple.
.64 caliber? 10 1 B. 125？ 66? 8 C.352？ 5? three
5. The following statement is true ().
A. The second digit to the right of the decimal point is one tenth. B.0.87-0.8=0.7。
C.C.0.26 and 0.260 have different counting units, but the size is the same.
6. A three-dimensional figure consisting of five small cubes. The picture from the front is. What you see on the left is that this stereogram is ().
7. In the decimal 34.3, the 3 to the left of the decimal point is () times the 3 to the right. 100 100
8. Xiaoqing, when calculating the decimal subtraction, mistakenly reduced 20.2 to 2.02, and the difference was 32.6, and the correct difference was ().
a . 14.42 b . 18 c . 34.62
9. Miss Li bought a badminton racket and six balls, which cost 68 yuan, a badminton racket and 32 yuan. How much is a ball? The formula () can be listed.
A.(68-32)? 6 B.68？ 6 C.68-32？ six
10. Xiaojun is counting 60? (△+2), the formula is copied to 60? △+2, after this calculation, the results of the two formulas are different ().
A.58 B.62 C. 1 18
Third, the calculation problem. (30 points)
1. Write the number directly. (12)
37+ 173= 35? 4= 125? 8= 100? 4=
25? 6= 120? 5= 36-8? 2= (24-8)? 8=
4? 203= 56-(25+3 1)= 75- 125? 5= 40+60? 3=
2. Calculate as simply as possible. (9 points)
285-74-26 65? 142-42? 65 3000? 125? eight
Fourth, the operation questions. (8 points)
Draw figures on square paper from the front, left and top.
Fifth, solve the problem. (36 points)
1. A truck transports sand to the construction site. 375 tons were shipped on the first day, 3 16 tons on the second day, 325 tons on the third day and 284 tons on the fourth day. How many tons of sand did this truck transport in four days?
The toy factory planned to produce 400 toys in five days, but actually produced 85 toys every day. How many more toys are actually produced every day than originally planned?
3. A motorcycle travels from point A to point B, traveling at the speed of 60 kilometers per hour at the first 2 o'clock, and traveling at the speed of 70 kilometers per hour at the last 3 o'clock. How many kilometers does it travel per hour on average?
Buses and trucks run towards each other from A and B, which are 850km apart. The speed of the bus is 90 km/h and the speed of the truck is 80 km/h. Two cars met a few hours later.
5. A dripping faucet wastes 12kg of water every day. How many kilograms of water is wasted in a month (30 days)? How many kilograms of water are wasted in a year (365 days)?
6. The total of two boxes of tea leaves is 176kg. Take out 30kg from box A and put it into box B, which is three times as heavy as box A ... How many kilograms are two boxes of raw tea?
Answers to the Mid-term Mathematics Examination Paper in the Second Volume of Grade Four
First, fill in the blanks.
1. Add and subtract 5386 2.
3. Multiplication, exchange, multiplication and combination 4. 8.07 0.087
5.7000 6. 100.29 100.29 100.3
7.9.24 9. 15 8.3
9.875-26? 18+93=500
10. Constant 0.7 105.09
1 1.5.2 12.4 6
Second, multiple choice questions.
1.C 2。 B 3。 C 4 explosive B 5。 C 6。 C 7。 B 8。 A nine. A 10。 C
Third, the calculation problem.
1.
2. Calculate as simply as possible.
185 6500 3
Fourth, the operation questions.
leave out
Fifth, solve the problem.
1. 1300 tons
2. V.
3.66 km/h
4.5 hours
5.360 kg 4380 kg