People's education printing plate fourth grade mathematics final examination paper
First, think carefully and fill in the blanks carefully. 22 points
1.97.0 103 is pronounced () and written at 50: 50 ().
2. A number consists of five tens and 10%. This number is written as ().
3. What is known in a triangle? 1= 720,? 2= 480,? 3= ( ); The base angle of an isosceles triangle is 45o. This triangle must be a () triangle (classified by angle).
4.9.0968 Accurate to the tenth place is about (), with two decimal places reserved about () and integer reserved about ().
5. Reduce 25 to 0.025 and move the decimal point 7.8 to the right by two places ().
6.306900 rounded to? Wan? The reservation is (), for 687430000? Billion? The number of units is ().
7.4 tons, 50 kilograms, 4.5 tons, 25? 100 - 1 25? 99
8.3.08km = () m 8 m 6 cm = () cm.
0.4 square meter = () square centimeter 2 tons 20 kilograms = () tons
9. Xiaohong, Xiaoqing and Xiaolan jump rope for one minute as follows: 126, 135, 14 1. They jump rope once a minute on average.
10. A two-digit decimal approximation is 3.8, the maximum number is (), and the minimum number is ().
1 1. There are 7 tricycles and cars with 25 wheels in the parking lot. There are tricycles and cars.
Second,? Sit in the right position? Choose one. (5 points)
1. The following statement is true ().
A. The second digit to the right of the decimal point is ten digits. C. The counting units of C.0.26 and 0.260 are different, but the size is the same.
2. If the two sides of a triangle are 30cm and 40cm respectively, the length of the third side should be selected from the following three quantities, and only () can be selected.
A.50 cm B.70 cm C.80 cm
3、 64? 125 =8? ( 8? 125), use ()
A, multiplicative commutative law and associative law b, multiplicative commutative law and distributive law c, multiplicative associative law
4. The number closest to 10 is ().
A. 10.0 1
5. Four equilateral triangles with the same size can't spell one ().
A. triangle B. parallelogram C. trapezoid
Third, judge the question. 5 points
1, the sum of two sides of the triangle is greater than the third side. ( )
2. There are only two decimals greater than 0.6 and less than 0.9. ( )
3. Divide 0 by a number to get 0. ( )
Any two triangles can be combined into a quadrilateral. ( )
5. When calculating the addition and subtraction of decimals, both ends of decimals should be aligned. ( )
Fourth, calculation? A clever plan? Yes, soon:
1. Number written directly: 8 points.
① ② ③ ④
⑤ ⑥ ⑦ ⑧
2. Use vertical calculation and check calculation. 10 point
① 14.53 + 5.67= ② 7.2 - 6.45=
③ 254 ? 78 = ④2 106 ? 34=
3. Calculate the following questions as simply as possible. 12 (2 points for each small question)
①23.4 - 8.54 - 1.46 ② 19 ? 96 + 962 ? 74 ③ 400 -( 1300 ? 65 + 35)
④29 ? 36 ? 36 ? 9 ⑤ 72? 125 ⑥(80 + 360? 24)? nine
Fourth,? Actual operation? Show your skills. 13 point
1. Draws the height at the specified lower edge. 2. Translate the left picture to the right by 4 squares.
3. Draw a symmetrical figure on the right.
4. Draw the following objects from the front, left and above.
5. Complete the table according to the data in the table and answer the questions.
(1) supplementary statistical chart. Digital cameras () sell the most, while ordinary cameras () sell the least.
(2) () The sales gap between the two cameras is the biggest.
(3) The average monthly sales of digital cameras is ().
5. Go into life and solve problems. 25 points
1. Xiaolan's mother took 50 yuan's money to buy food, with 28.75 yuan for meat dishes and 6.35 yuan for vegetarian dishes. How much is left?
Dongdong weighs 38kg, my cousin weighs half as much as him, and my father weighs four times as much as my cousin. How much does dad weigh?
The grain store delivered 20 bags of rice and flour, 30 kilograms of rice and 25 kilograms of flour each. How many kilograms of rice and flour did you bring?
4. A factory actively carried out tree planting activities. Plant 3 15 trees in the first workshop; There are 42 people in the second workshop, and each person plants 8 trees on average. How many trees are planted in two workshops?
5. each car saves 65 kilograms of gasoline every month. According to this calculation, how many kilograms of gasoline can a 15 car save a year?
Analysis of the final examination paper of fourth grade mathematics in People's Education Press
First, the analysis of test questions
The proposition of this fourth grade mathematics final exam basically conforms to the new concept of the new curriculum. The whole test can be said to be a comprehensive examination of students' comprehensive learning ability, a comprehensive examination of students' mastery of basic knowledge in textbooks, the formation of basic skills and the flexible application of mathematical knowledge. Integrating students' practical application of mathematics knowledge into the examination paper embodies the basic ideas and thoughts of mathematics curriculum standards, and basically can't give questions, strange questions and difficult problems, which are closely linked with real life and better enhance students' interest and confidence in learning and using mathematics. I think:? One of the criteria to measure the quality of a set of test questions is to see whether the test questions cover all aspects of the main content of the textbook and whether the students' learning situation is comprehensively investigated. ? This test is a good embodiment of hierarchy and moderate difficulty.
Second, the analysis of students' answers
Analysis of the final examination paper of the second volume of mathematics in grade four: this volume is moderately difficult, but it is slightly larger in terms of the amount of questions and time schedule. The content of the exam will be displayed in the students' papers in a simple way, focusing on examining the students' ability to learn to live and use mathematics. This test paper can basically measure students' mastery of what they have learned.
3. true or false: this question is not large. This question mainly examines the flexible use of students' concepts, such as? xx？ And then what? 2x？ The word student is confusing, and many students have not made mistakes in judgment.
4. Multiple choice question: This question examines students' understanding of angle, but students accidentally confuse angle with the concept of triangle.
4. Comfortable calculation: This topic mainly examines students' calculation ability and unit conversion ability, which can promote students to master the necessary calculation skills and develop good habits such as careful examination of questions. From the test, it is found that most students can't calculate the unit conversion correctly (the forward speed can't be applied correctly), and some students copy the wrong numbers in the calculation, which leads to mistakes.
5, how to use simple how to calculate. This problem is presented in decimal form, because students are careless in calculation and the decimal points are not aligned, so most students will make mistakes in calculation.
6. solve the problem; Because students' carelessness is the main reason for losing points. In the future teaching, it is necessary to cultivate students' ability to analyze the meaning of questions and to cultivate students' ability to examine questions.
Third, thinking and suggestions.
From the examination paper, we should pay attention to the organic combination of mathematical knowledge and real life in teaching, so that students can understand and master mathematical knowledge in real life. In teaching, we should extract more learning materials from students' real life, so that students can really feel that mathematics is around and that mathematics is in our real life. In teaching, we should fully mobilize all students' functions, let students actively, actively and spontaneously participate in the process of knowledge formation, and turn lifeless book knowledge into lively mathematics knowledge through students' own operation and thinking.
Through this test, it shows that most students have a good grasp of the knowledge learned in this book, can calculate accurately, and can solve mathematical problems in life independently. However, this test also reveals that a few students are not practical in learning and have poor knowledge transfer ability. At the same time, it also reveals that students' computing ability and habits, as well as their habit and ability to examine questions, need to be strengthened. In the next period of teaching, I will pay more attention to students' mastery of basic knowledge and ability training.