People's education printing plate fifth grade first volume mathematics final examination paper
Class name and student number score
I. Oral calculation: (on another page) (6 points)
Two. Fill in the blank: (*** 16, of which 1, 1, 12 each have 2 points, and the others each have1minute).
1, 3 tons 50 kg = () tons 3 hours 15 minutes = () minutes.
8000 square meters = () hectares 5.06 square meters = () square meters () square decimeter.
2、 2.94? The product of 3.5 is () digits after decimal point. If the decimal point of the multiplier is removed, the multiplicand should be (), keeping the product unchanged.
3. When two numbers are divided, the quotient is 5. Divider and divisor are expanded at the same time 100 times, and the quotient is ().
4. According to the ID number, the penultimate number indicates gender, singular number indicates (), and even number indicates ().
5、 12? The commercial cyclic decimal representation of 1 1 is (), and the accuracy is about ().
6 、( a？ b)？ c=()？ ( )+( )? (), this is the application of ().
7. The order of 1.30, 1.307, 1.3, 1 0 from small to large is ().
8. Two identical triangles can be spelled into one (). If the area of each triangle is 2.4 square centimeters, then the mosaic area is () square centimeters.
9. The parallelogram plot with a bottom of 200m and a height of 150m covers an area of () hectares.
10, a trapezoid, the sum of the upper bottom and the lower bottom is 60 cm, the height is 15 cm, and its area is ().
1 1, three consecutive natural numbers, one of which is n, and the other two are () and () respectively.
12, grade 6 1? The number of species in the sixth category is 50, 42, 47, 45, 44 and 5 1 respectively. The average of this group is (), and the median is ().
13. Put three squares with sides of 1 cm into a rectangle. The circumference of this rectangle is () cm and the area is () cm 2.
Third, judge the question. Enter it correctly in brackets? , the typo in brackets? . (4 points)
1, and the advancing rate between area units is 100. ( )
2 、=2a()
3、 0.27? 1.4=2.7? 0. 14 ( )
4. The side length of the square has been expanded by 2 times, and the circumference has been expanded by 8 times. ( )
4. Choose the serial number of the correct answer and fill in the brackets. (4 points)
1、 2.5? 100 and 2.5? Comparison of calculation results of 0.0 1. ( )
【 ① Business University; 2 the product is large; ③ Same size]
2、 0.47? 0.4, the quotient is 1. 1, and the remainder is ().
[ ① 3; ② 0.3; ③ 0.03 ]
Buy x pencils with one yuan, and the average price of each pencil is () yuan.
【① a？ x； ② X？ a； ③ aX ]
4. The base and area of triangle and parallelogram are equal respectively. As we all know, the height of a triangle is 6 cm. The height of the parallelogram is (). [ ① 3; ② 6; ③ 12 ]
5. calculation. (32 points)
1, solving equation: (8 points)
5.6 X-8.6 = 19.4 3.2 X- 1.5 X = 0.5 1 2 X+ 1.2？ 5=7 (check) (4 points)
2. Calculate the following questions. What can be simplified must be simplified. (18)
4.75+3.25? 2.4+7.6 ( 18.4+27.83? 4.6)? 0.2 1 1? 4.9-4.9
1.65? 4.3+8.35? 4.3 5.25? [( 1.2+0.05)? 1.4] 1.7? 2.5? 0.4
3. The following questions are only listed as comprehensive formulas or equations, and are not calculated. (6 points)
The quotient of (1)28.92 minus 2.5 divided by 4.25, and (2) a number multiplied by three times 20, the result is 35.3, multiplied by 0.5, what is the product? Find this number.
Sixth, draw and calculate. (6 points)
First measure the length and width of the right rectangle, then draw the largest triangle in this rectangle, and then find the area of the triangle.
Seven, application questions. (32 points)
1, please read the requirements before answering.
A batch of coal has been shipped out of the school canteen. It is planned to burn 0.25 tons per day for 40 days, and actually save 0.05 tons per day. How many days can this batch of coal actually burn? (4 points)
(1) How many days can it actually burn? You must find out first.
(2) Quantitative relationship:
(3) List the comprehensive formula and do not calculate it.
2, the following questions, comprehensive formula, do not need to calculate. (6 points)
(1) Master Wang makes parts, working 4 hours in the morning, * * * making 220 parts, working 3 hours in the afternoon, * * * making 130 parts. How many parts do you produce per hour a day?
(2) Master Wang makes parts and works for 4 hours in the morning, with an average of 55 parts per hour and 3 hours in the afternoon. * * * Manufacturing 130 parts, how many parts are manufactured per hour in a day?
3. Answer the following questions. (22 points)
(1) The lamp factory plans to produce1.8000 lamps, the first five days will produce1.2000 lamps, and the rest will be completed in eight days. On average, tens of thousands of lamps are produced every day. (Solving by Equation and Arithmetic) (6 points)
(2) The triangular field is 90 meters long at the bottom and 80 meters high. Planting rapeseed in this field, * * * harvested 2430 kilograms of rapeseed, how many kilograms of rapeseed per hectare on average? (4 points)
(3) The price of a pen is three times that of a ballpoint pen. As we all know, ballpoint pens are cheaper than pens. 9 yuan, how much is a pen? (4 points)
(4) There are 2,560 books on literature and art in the school library, and 60 books on science and technology are less than 2 times. How many science and technology books are there? (Draw a line graph first, and then list the solutions of the equation) (4 points)
(5) Wang Fang read a 320-page story book, and read 15 days ago. According to this calculation, can she finish reading it in the remaining 20 days? (4 points)