Grade 5 Mathematics Book 10 Final Examination Paper Results: 1. Fill in the blank: 20% 1.2.5 hours = () hours () minutes 5060 square decimeters = () square meters. The divisor of 2.24 is (), and the prime factor of decomposition 24 is (). 3. The unit of the score is the maximum true score of 1/8. 4. The numerator of the simplest fraction is the smallest prime number, the denominator is the composite number, and the maximum fraction is (). If you add decimal units like (), you will get 1. 5. Cut a cuboid whose length, width and height are 5 decimeters, 3 decimeters and 2 decimeters respectively into two small cuboids, and the maximum sum of the surface areas of these two small cuboids is () square decimeters. 6. With a 52 cm long wire, you can weld it into a rectangular frame. The frame is 6 cm long, 4 cm wide and () cm high. 7.A=2×3×5, B=3×5×5, the greatest common divisor of A and B is (), and the least common multiple is (). 8. When the side length of a cube is enlarged by 3 times, its surface area is enlarged by () times and its volume is enlarged by () times. Compared with 5/ 1 1, 9.4/9 has a larger decimal unit () and a larger fractional value (). 10. The greatest common divisor of two numbers is 8 and the least common multiple is 48, where one number is 16 and the other number is (). Second, multiple-choice questions (fill in the serial number of the correct answer in brackets): 20% 1. In the following formula, the divisible formula is () 14 ÷ 8 = 0.5239 ÷ 3 =1335.2 ÷ 2.6 = 22. In two thirds. Fractions that can be converted into finite decimals are ()13,22,31. 3. The product of multiplication of two prime numbers must be () 1 addend, 2 even, 3 composite 4. A = 5b (both a and b are non-zero natural numbers). The following statement is incorrect: the greatest common divisor of () 1A and b is the least common multiple of A2A and b, and a can be divisible by b, then salt accounts for () ①1/9②110③/kloc-0. Given A > B, compare 2/a and 2/b () ① 2/A > 2/B22. The common divisor of these two numbers is () 12, 24, 36. 8. Cut off a cuboid with small pieces (as shown). The following statement is completely correct: () ① The volume decreases, the surface area decreases and the surface area increases. ③ The volume decreases and the surface area remains unchanged. 9. Use rectangular paper of equal size, each with a length of 12 cm and a width of 8 cm. To spell a square, you need at least this rectangular piece of paper (). 14, 26, 38, 10, and a 6-meter-long rope. Cut 1/2 first, then 1/2 meters. At this time, there is still ()1.5m 2.5/2m 3.0m 3. Calculation problem: 28% 1. Find the surface area and volume of a cuboid (unit: decimeter) 4%a=8b=5c=42. Off-model calculation (simplified) 12% 6/7+2/. 7-3/142/3+5/9-2/3+5/98/9-(1/4-1/9)-3/43. Find the greatest common divisor and the least common multiple of the following groups: 4%24. Subtract the difference between 7/ 15 and 7/30 from a number and the result is 2/3. What's this number? (solved by equation) 4. 4% of the drawing problems, please use shading to indicate 1/2 (at least 5 kinds). 5. Application problem: 30% 1. A piece of land, including 1/5 kinds of corn, 1/6 kinds of vegetables, and the rest kinds of watermelons. What is the proportion of watermelons planted in this land? There are 24 boys and 20 girls in one class. How many times more boys than girls? What is the percentage of boys to girls? Students take part in environmental protection action. The fifth grade cleared 3/5 tons of garbage, less than the sixth grade 1/8 tons. How many tons of garbage were removed in the fifth and sixth grades? 4. A rectangular iron plate with a length of 40 cm and a width of 30 cm, the four corners are cut off and the sides are 4 cm long, and then welded into a box without a cover. How many liters is its volume? 5. A car traveled192km in the first 3 hours and 58km/h in the last 2 hours. What is the average speed of this car?