Tisch
(Answer time: 80 minutes)
Class name _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Fill in the blanks. (2 points for each question, ***20 points)
1.65+360 ÷ (20-5), calculate () first, then (),
Finally (), the number is ().
2.72+68+ 132= + ( ○ )
35×92+35×8= × ( ○ )
3.0.057 is changed to: 405.76 writing:
4.23.853 Accurate to about one percent, with one decimal place about.
5.245600000 was rewritten as "100 million".
6.6.02m = () cm 3km10m = () km.
6.05 kg = () kg () g
7. Arrange the following figures in descending order.
0.7 0.706 0.76 0.67 0.076
8. Triangle can be divided into () triangle, () triangle and.
() triangle.
9. The base angle of an isosceles triangle is 80 and the top angle is ().
10. It takes 4 minutes to saw a piece of wood in half, and () minutes if it is sawed into eight pieces.
Second, choose the serial number of the correct answer and fill it in brackets. (4 points)
1.3 The number consisting of one, 4% and five thousandths is ().
( 1)0.345 (2)3.045
(3)3.4005 (4)3.405
2. The decimal number greater than 0.2 and less than 0.4 is ().
( 1) 1 (2) 10
(3) 100 (4) countless.
3. Make an equilateral triangle with at least ().
( 1) 1 (2) 2
(3) 3 (4) 4
4. Insert a colored flag of 10 on one side of the 90-meter-long runway (inserted at both ends), every two adjacent colored flags.
The distance between them is () meters.
( 1)9 (2) 10
(3) 16 (4)8
Third, the judge. (4 points)
1.4.5 and 4.50 have the same size and the same counting unit. ( )
2. The sum of the two acute angles of an obtuse triangle is less than 90 degrees. ( )
3. Any two triangles can be combined into a quadrilateral. ( )
4. When calculating the addition and subtraction of decimals, both ends of decimals should be aligned. ( )
Fourth, calculation. (36 points)
1. Oral calculation:
25×4= 360÷36= 0.3÷ 100= 120×6=
58-58= 1000×0.0 13= 48+32= 84÷4=
480÷60= 3- 1.4= 0÷78= 2.5+0.9=
8.76-4.27= 45×20= 420+28= 10 1×28=
8×9+8= 125×7×8= 7×5÷7×5= 10―2.3―2.7=
2. Calculate the following questions vertically and check them. (4 points)
10-3.06 1 1.36+8.54
3. Calculate with decimals. (4 points)
5m 23cm+3m 5mm10kg-3kg 600g
4. Calculate the following questions, and simplify what can be simplified. (18)
( 125+7)×8 3200÷25×4 3.27+6.4+2.73+4.6
25×44 6.45-0.58- 1.42 12×(324-285)÷26
Sixth, operation. (10)
1. Draw an isosceles triangle and a right triangle in the grid, and draw their heights. (4 points)
2. Fill in the blanks and draw a picture. (6 points)
Seven, solve the problem. (26 points)
1. The road repair team built a road, which was 3.4 kilometers on the first day, 0.6 kilometers more than the next day. How many kilometers were built in two days? (4 points)
2. From a city to a provincial capital, the speed of taking the expressway is 90km/h, which takes 2 hours, and the speed of taking the ordinary highway when returning is 70km/h, which takes 3 hours. How many kilometers is it more to take the ordinary highway than the expressway? (5 points)
3.5 Students went to visit the space exhibition, and * * * paid the entrance fee of 60 yuan, and each student used 2 yuan. How much did it cost per person? (5 points)
4.24 Students play games in a circle on the playground, and the distance between every two students is 2m. What is the circumference of this circle? (5 points) 5. Li Hongjia's tourism expenditure in recent years is as follows. (7 points)
200 1 2002 2003 2004 2005 2006
Amount/yuan1600 2000 2500 3100 3800 4500
(1) Make a broken line statistical chart according to the above data.
(2) Observing the statistical chart, what changes do you find in Li Hongjia's annual tourism expenditure?
(3) What is the tourism expenditure of Li Hongjia this year?
(4) What other math questions can you ask? Please give a detailed answer.
extreme
Note: This test paper is ***4 pages, with six major questions, full score 100, and the time is 90 minutes.
Fill in the blanks. (1 1 small question 3 points, the rest 1 point, ***20 points)
1, rewrite 499000000 into "100 million", and one of the numbers is ().
2. 5 square meters and 8 square decimeters = () square meters 10. 1 ton = () kg.
10cm 5mm = () cm 2 yuan 5 points = () yuan.
3. When both b and c are not equal to 0, a \b \c = a \u ().
4. Expand by 0.36 to 100 times, and move the decimal point to the left by one place.
5. Move the decimal point 0. 126 to the right by two digits (), and move the decimal point () to the left by three digits is 0.0068.
6. In a right triangle, one acute angle is 550 and the other acute angle is ().
7. Insert colored flags on one side of the deer (both ends), one side every 5 meters, and 20 sides. This path is () meters long.
8. According to the fact that the sum of the internal angles of the triangle is 180, find the sum of the internal angles of the following two figures.
Trapezoidal () degree, pentagonal () degree.
9. The number consisting of four ones, eight tenths and six thousandths is (), which is pronounced as ().
10, a two-digit decimal is 9.5, this two-digit decimal is (), and the minimum value is ().
The five numbers 1 1, 0.58, 5.8, 5.08, 0.508 and 0.558 are arranged in descending order, followed by ().
Second, the judgment question. (Tick "√" for the right and "×" for the wrong) (every space 1 minute, * * *1minute)
1, multiply 0 by any number to get 0, and divide 0 by any number to get 0. ( )
2、35×(7×3)=35×7+35×3。 ( )
3. A triangle with three sides of 4cm, 4cm and 8cm is an isosceles triangle. ( )
4. Add or delete zeros after the decimal point, and the size of the decimal point remains unchanged. ( )
5, 7.05, 7.0599, with one decimal place reserved, all of which are 7.l. ()
6. An isosceles triangle is an equilateral triangle. ( )
7. More than 2.4 and less than 2.6 have only one decimal place. ( )
8, 0.58 and 0.580 are equal in size, and the counting units are also equal. ( )
9.a is 40 southeast of B, or 50 southeast. ( )
10. There are 6 white balls, 3 red balls and 3 black balls in the box. The chances of touching the red ball and the black ball are equal. ( )
Third, multiple choice questions. (2 points for each space, ***20 points)
1, and two triangles with acute angles of 60 degrees are ().
A, acute triangle b, obtuse triangle c, equilateral triangle
2. The number closest to 10 in the following figures is ().
a、9.98 B、 10. 10 1 C、 10.05
3. One factor of a× b is multiplied by 10, and the other factor is also multiplied by 10, and the product is equal to ().
A, product multiplied by 100 B, product multiplied by 20 C, product multiplied by 10.
4, the following formula can be used to simply calculate the laws of multiplication and distribution is ().
a，( 125+90) × 8b，52×25×4 C，7.6 × 1.25+2.4
5, the following figures don't read "zero" is ()
a、807. 17 B、270.05 C、400.6 1
6. In the figure below, "0" has been deleted, and the size remains the same ().
A, B, C and 7: 50.
There is a () decimal between 7, 2.3 and 2.6.
A, 3 B, 30 C, countless
8. First move the decimal point of a decimal to the right, and then move it to the left by three places, the original number ().
A, expand 10 times b, shrink 10 times c, shrink 100 times.
9. It took three minutes to saw a piece of wood into three pieces. It will take () minutes if this piece of wood is sawed into five sections.
a、5 B、6 C、7.5
10, two identical isosceles right triangles, which can be spelled as ()
A, rectangle b, square c, parallelogram
Fourth, the calculation problem. (1 question 6, second question 12, *** 18)
1, oral calculation.
0.38+0.06= 64.2+5.7= 72÷9×7=
0.97-0.09= 12.8-9.86= 17.05-4.58 =
3.5+0.6= 5-0. 15= 4.35+5.36=
0÷78= 2.05÷ 100= 0.093× 100=
2. Calculation can be simplified.
200-( 132+ 1080÷36) 4.7+9.69-5.46 99×39+39
520-3000÷75×6 72× 125 5000÷8÷ 125
Five, hands-on operation questions. (***7 points)
From 2002 to 2006, the average computer ownership per 100 households in Friendship Community is as follows.
(1) From 2002 to 2006, the average number of computers per 100 households in Friendship Community increased ().
(2) From () to (), the average number of computers increased the least.
The average growth rate of computer ownership from () to ().
(3) According to the information in the picture, the average number of computers per 100 people in the friendship community in 2007 was about ().
Sixth, solve the problem. (5 points for each question, ***25 points)
1. The school has purchased 3600 new books, which will be distributed to the first to sixth grades of the whole school. There are 4 classes in each grade. How many books are distributed in each class on average?
Xiaolan's mother took 50 yuan to buy food. Buy meat dishes 28.75 yuan, buy vegetarian dishes 6.35 yuan. How much is left?
3. The weight in winter and winter is 38kg. My cousin weighs half as much as him, while my grandfather weighs four times as much as my cousin. How many kilograms does grandpa weigh?
4. In the first week, the road team built a section of road for 6 days, with an average of 100 meters per day. The second week will be completed in four days, with an average of120m per day. How long is this road?
5, the zoo launched "one-day tour" activity price two schemes:
Option 1: 150 yuan/adult; Every child, 60 yuan,
Scheme 2: More than 5 people (including 5 people), each person 100 yuan.
Now there are four adults and six children to play. Think about how to buy tickets to save money.
20 13-20 14 school year second semester fourth grade mathematics final examination paper reference answer
1. 1, 4.99 million 2,5.081010.52.053, b× c.
4、3.6 5、 12.6 6.8 6、35 7、95
8、360 540 9、4.806 10、9.49 9.45
1 1、5.8﹥5.08﹥0.58﹥0.558﹥0.508
Second, * * * √.
Third, C A A C C C B B
4.0.44 69.9 56 0.88 3.94 12.47 4. 1 4.85 9.7 1 00.0205 9.3
Verb (abbreviation of verb) 65 2002-2003 2005-2006 100
6. 1, 150, 14.9 yuan, 76kg,1080m.
5.800 yuan (buy 5 group tickets and 5 children tickets).
Tisso
1. Fill in the blanks (65438+ 0 for each blank, ***25)
1, the sum of two addends is 900, one of which is 400 and the other is ().
2. When calculating 380× [(65-25) ÷ 4), first calculate () method, then () method and finally () method, and the result is ().
3. The minuend is equal to the minuend, and the difference is (). When 0 is multiplied by a number, it still gets ().
4. 17× 25× 4 = 17× (×), where the law () is used. (2 points)
5, a cube, no matter from which position is () shape.
6. The shape seen from the surface of () is.
7, 36+() = 85+ (), here is the law of (), expressed in letters as a+b = ().
8.7.83 consists of () 1, () 1/10 and () 1%.
9. Compare the sizes of the following numbers.
6.8○6.09 2.70 1○2.70 4.32○3.42 0.90○0.900
10, Xiaoming's weight is 40.08kg, and his handwriting is () kg.
The number 1 1, 5.63, where 6 is in the () position, indicating ().
Second, true or false (1 point per grid, ***6 points)
1, because 0 ÷ 8 = 0 and 8 ÷ 0 = 0. ( )
The product of two digits of 2 and the smallest two digits is 990. ( )
3、7+6-7+6=0 ( )
An object that looks square from above must be a cube. ( )
The multiplication and division in the formula 5.32× 4- 150 ÷ 6 can be calculated simultaneously. ( )
6. Remove the 0 after the decimal point, and the size of the decimal will not change. ( )
Three, multiple-choice questions (65438+ 0 points per grid, ***5 points)
1. In division, 0 cannot be used as ().
A, dividend b, divisor c, quotient
2. The object in the picture on the right is composed of () cubes.
a、2 B、3 C、4
3. The object below is composed of five small cubes, and the graph from above is ().
B.C.
4. (x+y)+z = x+(y+z), and this formula is ().
A, additive associative law b, additive commutative law c, multiplicative commutative law
5.□× (54 ÷ 6) = 72, and the appropriate number in□ is ().
a、6 B、7 C、8
Four, the operation problem (***9 points)
1, even for a company (3 points)
Look from the front, from the left, from the top.
2, from the front, left and above draw the graphics of the following objects (6 points)
V. Calculation problem (***3 1 min)
1, column vertical calculation, check by addition, subtraction, multiplication, division and exchange method (2 points for each question, ***4 points).
75+39= 36×8 1=
2. Off-type calculation (3 points for each question, ***9 points)
360÷(70-4× 16) 158-[(27+54)÷9] 940×[ 128―( 154―3 1)]
3. Calculate the following questions as simply as possible (3 points for each question, *** 18 points)
67+25+33+75 184 ×99+ 184 528―53―47
8×9× 125 1800÷4÷25 32× 125
Six, solve the problem (4 points per question, ***24 points)
1, a pair of shoes 105 yuan, three pairs of gloves 45 yuan, how much is the price of a pair of shoes?
The swimming pool in the school is 50 meters long. Xiaoming swims six times at a time. How many meters does he swim each time?
The new teaching building of the school has four floors, and each floor has seven classrooms. Each classroom should be equipped with 25 sets of double tables and chairs. How many sets of double tables and chairs does the school need to purchase?
4./kloc-how many kilograms can rice be milled for 0/00 kilograms of rice? /kloc-how many kilograms of rice can be milled for 0/000 kilograms of rice?
5. Uncle Li has a vegetable field (as shown on the right). How many square meters is this vegetable field?
6. The school has 12 teachers and 294 students. Rent a car for spring outing, the cart is limited to 36 people, and the rent is 700 yuan; Car limit 18 people, rent 400 yuan. What is the cheapest way to rent a car?