The final exam questions of the first volume of the fifth grade of primary school
The fifth grade elementary school mathematics volume one final mathematics examination paper 1. The number written directly (10, 0.5 for each small question)1.5× 4 = 6.4 ÷ 0.8 = 7.2× 0.01=10 ÷ 4 = 0.36× 2. 4× 2.5 = 3.2 ÷1.6 = (1.5+0.25× 4 = 3× 0.2× 0.5 =12-6.2-3.8 = 8× (2.5+) 5. 2. Cyclic decimal 8.59696 ... is () decimal, and two decimal places are (). 3. The three sides of a right triangle are 3 cm, 4 cm and 5 cm respectively, and the area of this triangle is () square cm; The height on the hypotenuse is () cm. 4. The sum of x and 7.2 is (). 1.5 If the number exceeds 6 times of x, it is (). 5.6.4 hectares = () square meters; 1.2 hours = () hours () minutes. Third, judge (draw "√" and draw "×" wrongly. 4 points, 65438+ 0 points for each small question) 1. Divide a number that is not equal to 0 by a decimal less than 1, and the quotient will be greater than the dividend. () 2.3.33333 is a cyclic decimal. () 3. Decimal multiplication and integer multiplication have the same meaning. () 4. The area of triangle is equal to half the area of parallelogram. () 4. Choose (Fill in the letters that represent the correct answers in the brackets after the question. 4 points, 65438+ 0 points for each small question)1.0.65× 201= 0.65× (200+1) = 0.65× 200+0.65 () A. Commutative law B. Associative law C. The height of a triangle is half that of a parallelogram. B.equal C. The height of a triangle is twice that of a parallelogram. 5. Calculate (34 points) 1, and calculate without formula. Simplify if you can (16 points. 4 points for each small question) 8.65-3.7+1.35-6.3 [2.1+3.61÷ (7.2-5.3)] × 301.2+36 ? (Solution of column equation) (2) What is the product of the sum of 4.23 plus 0.72 multiplied by 3 minus 0.84? (column comprehensive formula calculation) VI. Application questions (28 points, 7 points for each small question) 1. When a factory originally needed 144 to make a machine, it took 48 hours to make a machine after improving the technology. How many machines can be manufactured in the original time of manufacturing 60 machines? Xiao Liang spends more money on books than pencils, 0.5 yuan. I bought three pencils at 0. 15 yuan each and five notebooks at 0.65438 yuan each. (Equation solution) 3. Xiaoming and Xiao Fang are in the same hospital. When Xiao Fang goes to school, he walks 50 meters every minute. 12 points to school. Xiaoming walks more than Xiao Fang at school 10 meter. How many minutes does it take Xiao Ming to get to school? 4. The bottom of a trapezoid is 220 meters long, the bottom is 340 meters long and the height is 57.5 meters, with 354.2 thousand oilseeds. How many kilograms of oilseeds are produced on average per hectare? Additional questions (not included in the total score) A and B cars left from A and B respectively and met after 2.5: 00. When they met, B traveled 105 km, and continued driving after meeting. After the two cars A and B arrive at B and A respectively, they will drive back immediately. When they met for the second time, B was 90 kilometers away from A, and they asked for the distance between A and B. ..