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The fifth grade first volume mathematics final examination paper
Category: Name: Grade:
Fill in the blanks. (*** 19, of which 2, 4, 5, 8 and 10 are divided into 1 0 for each question, and the remaining 2 points. )
1， 1.05t = () t () kg 3: 48 = () h。
2、3. 15? The product of 0.28 has () decimal places, 76. 14? The highest bit of the quotient of 1.8 is in the () position.
3, 4.9565656 is () decimal, which can be abbreviated as (). Keeping one decimal place is about (), and keeping two decimal places is about ().
4. When a number (except 0) is multiplied by a number greater than 1, the product ratio is the original number (), and when multiplied by a number less than 1, the product ratio is the original number ().
5. In 8.03, 0.83, 8.03 and 8.03, the maximum number is () and the minimum number is ().
6. A tractor plows a hectare in the morning and b hectare in the afternoon. This tractor works 8 hours a day and cultivates () hectares of farmland on average every hour.
7. The area of a parallelogram is 24 square centimeters, and the area of a triangle with the same height as its base is () square centimeters.
8. Wang Fang's ID number is 42010196712241179, and her date of birth is ().
9. Numbers 2, 3, 7 and 8 can form () four-digit numbers, and there are no duplicates, in which the possibility of odd number is () and the possibility of even number is ().
10. Observing a cuboid, you can see at most () faces at a time, and at least () faces.
1 1, fill in ○? & gt？ ,? & lt？ Or? =? .
4.9 1? 1.03 ○ 4.9 1 3. 18? 0.97 ○ 3. 18
5.64? 1 ○ 5.64 5. 19? 1 ○ 5. 19
12, workers process a batch of parts, 10 minute makes 25 parts, and it takes () minutes to make 1 part on average.
Second, judge the following questions. Is it correct in brackets? , wrong number? . (5 points)
1, the area of triangle is smaller than that of parallelogram. ( )
2. Infinite decimal is greater than finite decimal. ( )
3. Equations are all equations, but not all equations. ( )
4. Move the decimal point of a decimal by one place, and the decimal will be enlarged by 10 times. ( )
5. Because of 2? 2=2? , so 2? a=a？ . ( )
Third, choose the serial number of the correct answer and fill it in brackets. (5 points)
1, one of the factors of the product () obtained by multiplying two factors.
① It must be greater than ② It must be less than ③ It may be greater than, less than or equal to.
2, a rectangular frame, pull it into a parallelogram, area compared with the original rectangular area ()
① Bigger, ② Smaller, ③ Constant.
The 2008 Olympic Games was held in Beijing.
① certain, ② possible, ③ impossible.
4. Lao Li is one year old and Xiaohong (a- 18 years old). Another year passed, and they were separated by () years. ① 18 ② c ③ c- 18
5, the same solid circle, the circle seen from the left and right ().
① Different ② Same ③ Uncertain.
Fourth, calculation. (3 1)
1, directly write the number of the following questions. (6 points)
4.8? 0.8= 7.5-4.5= 5.7+4.3= 0.75? 15=
1? 0.25= 1.2? 60= 6? 0.2= 0.2 1? 4=
0.62? 0.62- 1= 5+3.2? 0.8=
7.5? 2.5? 0= 0.25? 4? 9=
2. Use vertical calculation. (The number of the last question is reserved to two decimal places) (9 points)
23.5? 7.6= 15.75? 2. 1= 8? 0.9=
Check calculation: Check calculation:
3. Solve the equation. (4 points)
0.8? (7.2+х)=7.92 6.2х-х=4 1.6
4. The calculation of parting can be simplified. (8 points)
2.65? 1.7+ 1.35? 1.7 23.4? 7.8-2. 1
0.75? 18? 0. 15 2.5? 3.2? 1.25
5. Only calculate formulas or equations, not calculations. (4 points)
(1)4 minus four times a number, the difference is 0. 12. Find this number.
(2) What is the difference between 9.07 minus 22.78 and 3.4?
1, (1) Please draw a triangle with the same area in the picture. (2 points)
Draw a picture and measure it. How many square centimeters is the area of this triangle? (4 points)
Column calculation:
2. Li Minghe Liu Jun plays numbers games. If the dial pointer on the right points to an integer multiple of 2, Li Ming wins; if the pointer points to an integer multiple of 3, Liu Jun wins. Please fill in the appropriate numbers on the right to make the game fair to both sides. (4 points)
Sixth, solve the problem. (3 1)
1, see diagram equation (4 points)
① X X X 45 45
Column type:
180
X kg
② Pear:
200 kilograms
Apple: OK:
2. List solutions. (27 points)
(1) Each box can hold at most 15 kg of apples, and there are 680 kg of apples picked in the orchard. How many cartons do you need? (5 points)
(2) Bees fly 9.3 kilometers in 0.5 hour and butterflies fly 7.75 kilometers per hour. How many times do bees fly every hour? (5 points)
(3) The parallelogram vegetable field receives 440 kilograms of vegetables, with a bottom of 12.5 meters and a height of 5.5 meters. How many Jin of vegetables do you collect per square meter on average? (5 points)
(4) The Forbidden City covers an area of 720,000 square meters, which is 6.5438+0.6 million square meters less than Tiananmen Square. What is the area of Tiananmen Square? (column equation solution) (5 points)
5] The following is a statistical chart of the number of parts produced by five workers in a workshop every day. (7 points)
Unit: one
A B C D E
① Arrange this set of data in order from small to large. ( 1)
② Find the average and median of this group of data respectively. (4 points)
③ Which data is more suitable to represent the general level of this group of data? (2 points)