Class name score
Fill in the blanks. (20 points)
5. The two internal angles of the triangle are 80 and 75 respectively, and its other internal angle is ().
Second, multiple-choice questions, fill in the serial number of the correct answer in brackets. (8 points)
2. The following three angles in each group cannot be in the same triangle ().
① 15 、87 、78 ② 120 、55 、5 ③80 、50 、50 ④90 、 16 、 104
3. In each group of three line segments below, the one that cannot form a triangle is ().
① 0.07m, 5cm, l decimeter ② 2cm,16cm,17cm.
③ 3cm、8cm、5cm、45m、7m、9m。
4. The internal angles of triangle are 45 degrees, 45 degrees and 90 degrees respectively. This triangle must be ().
① obtuse triangle ② acute triangle ③ isosceles right triangle
Third, write the number directly. (8 points)
3.7+5.6 = 3.4-0.6 = 0.6-0.39 = 3.8+2.2 =
0.36+0.24= 0.7—0.33= 7.6—3.9= 8—2.2=
24×5= 25×4= 14×5= 12×5=
125×8= 64÷8+8= 83—8+ 12= 5×6÷3=
Fourth, calculate the following questions. (18)
(1)56÷8 ten 32 475- 165÷3 125÷5 ten 35×6
(32+28)÷(32—28)(l0+ 120÷ 10)×8 80+( 146-46×2)
5. Use a simple method to calculate. (18)
1.37+22+63+45 2.530-475-25 3.8×( 125×ll)
4.44×25 5.72× 125 6.64×99+64
7.4900÷25÷4 8.( 100+4)×25 9. 17×43-43×7
Sixth, solve the problem. (28 points)
2. A toy factory planned to produce 520 children's toys in 65 days, which was actually completed 25 days ahead of schedule. How many more children's toys are actually produced every day than planned?
4. Apples and pears * * * weigh 2680 kilograms, apples are packed in a basket every 50 kilograms, and * * * is packed in 28 baskets. Pears are packed in a 40 kg basket. How many baskets of pears should I pack?
First, write the number directly. (12)
200×70= 4 10×20= 60×900=
40×220= 10+460= 25× 100=
50×600= 320÷80= 800÷50=
6y-y= 4x-4x= 5a+3a=
Second, use vertical calculation. (6 points)
308×70= 80×450= 900÷40=
Third, calculate the following questions. (12)
75× 12+280÷35 48×(32- 17)÷30
(564- 18×24)÷ 12 490÷[2 10÷(750÷25)]
Fourth, use a simple method to calculate. (6 points)
176×7-7×76 25×(40+4) 99×99+99
5. Fill in the blanks. (every grid 1 minute, 26 points)
1.6 l = () ml 5000 ml = () l
2. Fill in "liter" or "milliliter" in brackets.
A bottle of drink is 400 () and a pot of water is 5 ().
3. Only one set of quadrangles with parallel opposite sides is a () shape, and a set of quadrangles with non-parallel opposite sides is its ().
4. A straw with a length of 14cm can be cut into three sections () cm, () cm and () cm with a string to form a triangle.
5. The top angle of an isosceles triangle is 70, and one of its bottom angles is ().
6, 3 people shake hands with each other, and one person can shake them all () times. If they send holiday cards to each other, a * * * will send () cards.
7. After the rectangle is folded in half, it can be completely (), indicating that the rectangle is a () figure with the symmetry axis of ().
The factor of 8 and 30 is (). Among these numbers, () is odd, () is even, () is prime, () is composite, () is neither prime nor composite, () is a multiple of 3, and () is a factor of 5.
9. Fill in a number () in □, and 40□ is a multiple of 5 and 3.
10. There are row A seats upstairs in the children's theater, with 22 seats in each row; There are seats in row B downstairs. This theater has () seats; If a= 15 and b=720, this theater has () seats.
Sixth, choose. (Fill in the serial number of the correct answer in brackets) (8 points)
1, the square has () axis of symmetry.
A, 2 B, 4 C, countless
2.54×42=(54÷6)× (), and put () in brackets:
a、42÷6 B、42×6 C、54×42
3, the following problem (), the last step is multiplication.
a、45÷5+ 10×3 B、45÷(5+ 10)×3 C、45÷[(5+ 10)×3]
4. There is a triangle with only two acute angles, which must not be ().
A, acute triangle b, right triangle c, obtuse triangle
Seven, the amount of painting. (5+3+2 = 10 point)
bottom
1. Draw the bottom of the parallelogram below first. 2. The figure below is an equilateral triangle, and then the height is measured. Please draw that its height is () cm.
2. Buy pens and ink in the quantities listed below and pay 183 yuan. How much is each pen?
8 bottles of ink, each bottle of 6 yuan.
9 each? Yuan dynasty (1206- 1368)
1, 3 trucks carrying 480 boxes of apples. According to this calculation, how many boxes can one * * * truck hold?
Eight, solve practical problems. (20 points)
3. An 8-meter-long rectangular flower bed was reduced by 3 meters because of road construction, so
Garden area decreased15m2. What is the area of this garden now? (Draw the reduced parts in the picture, and then answer)
(1) Grandpa Li made a sheepfold with 24 fences1meter long. If the sheepfold is 8 meters long, how many square meters should it be?
(2) Excuse me: When there are only 24 fences with the length of 1 m, is there any way to enclose them?
The sheepfold is bigger? How do I surround it? (Please use formulas and words to briefly introduce, please briefly explain)
I. Oral calculation (65438+ 0 point per grid)
142+70= 540÷60= 12×200= 660÷6=
30×60= 880÷22= 65+36= 52× 100=
750÷ 15= 780÷ 13= 42÷ 14= 350÷5=
147-98= 25×80= 570÷3= 60×90=
Second, how to calculate the following questions. (5 points for each question)
125×(8+20) 68×48+68×2 5×27+63×5
16×40 1 48× 10 1-48 98×32
Three, fill in a fill (5 points per question)
1. Buy oranges and bananas according to the quantity in the table below, and 92 yuan. Can you fill in the numbers in brackets?
tangerine
8 kilograms per kilogram of 6 yuan.
Banana () kg per kg 4 yuan.
2. A road team built a canal 600 meters long. Can you fill in the numbers in brackets?
The canal is 600 meters long.
Digging 64 meters every day in the first week has been done for 5 days.
Dig 70 meters every day for the second week.
Dig () days.
Tintin and Fangfang set out from the opposite direction of the school gate and walked to their respective homes at the same time. Can you fill in the numbers in brackets?
Tintin and Fangfang are () meters apart. Ding Ding came home from school.
Walk 70 meters per minute.
Walk for 4 minutes.
Fangfang comes home from school.
Walk 65 meters per minute.
Walk for 4 minutes.
Four, solve the problem (7 points per question)
1, Xiao Qiang and Xiaoming are 2400 meters apart, and they start from home at the same time. Xiao Qiang walks 50 meters per minute, and Xiaoming walks 70 meters per minute. How long did it take them to meet? (Draw a picture first, then answer)
A bus and a car drive in opposite directions from two places 480 kilometers apart at the same time. The bus travels 40 kilometers per hour and the car travels 50 kilometers per hour. How many kilometers are there between the two cars in five hours?
3. Cut the largest square on a rectangular paper with a length of 20 cm and a width of 15 cm. What is the area of the rest? Draw a picture on the picture before you answer.
There is a garden with a width of 1 m around a square lawn with a side length of 8 meters. Peony flowers are planted in the garden, each with an area of 1 square meter. A * * *, how many will be planted? (Draw a schematic diagram before answering)
5. A story book. Tintin read an average of 23 pages a day in the first 3 days and 28 pages a day in the last 6 days. How many pages does this story book have?
Verb (abbreviation of verb) Other problems
Both parties ride in opposite directions from two places at the same time. Party A's speed is 20km per hour, and Party B's speed is18km. When they met, there were still 3 kilometers from the midpoint of the whole journey. How long is the whole journey? (Draw a picture first, then answer)
I. Fill in the blanks (2 points for each question)
1, two numbers are represented by a and b respectively, and the law of additive exchange rate can be expressed as ().
2. The letter A represents the unit price of apples, B represents the quantity, and C represents the total price. Then c= () and b= ().
3, equilateral triangle, each side is one meter long. Its circumference is () meters.
4. A car travels 300 kilometers in t hours, with an average of () kilometers per hour. Li Shifu processes 40 parts per hour, which takes one hour, and one * * * processes () pieces.
5. Each bag of flour weighs one kilogram, each bag of rice weighs b kilograms, and 8 bags of flour and 5 bags of rice weigh () kilograms.
6. On May 5th, a brand of mobile phone of Suning Company sold well, selling 75 yuan in the morning and 100 in the afternoon. It is known that each mobile phone costs () yuan this day, and it costs () yuan less in the morning than in the afternoon.
7、5x+4x=( ) 8y-y=( ) 7x+7x+6x=()
7a×a =() 15x+6x =()5b+4 B- 9b =()
8. The school bought X boxes of red chalk, the number of boxes of white chalk is 10 times that of red chalk, and the school bought () boxes of chalk; When x= 10, the school bought () boxes of chalk.
Second, choose (put the serial number of the correct answer in brackets) (2 points for each question)
1, a2 and () are equal.
( 1)a×2 (2)a+2 (3)a×a
2,2x must be () x2.
(1) greater than (2) less than (3) equal to (4) cannot be determined.
3. Tintin is younger than Xinxin, Tintin is one year old, Xinxin is b years old, and Tintin is () years younger than Xinxin two years later.
( 1)2 (2)b-a (3)a-b (4)b-a+2
4. When a=5 and b=4, the value of AB+3 is ().
( 1)5+4+3= 12 (2)54+3=57 (3)5×4+3=23
5. the number a is a, which is four times less than the number b, and the number b is ().
( 1)a÷4-b(2)(a-b)÷4(3)(a+b)÷4
Three. Use the formula containing letters to express the quantitative relationship of the following questions (4 points for each question)
1, in a triangle, ∠ 1 = A, ∠ 2 = B, and the number of times ∠3 is expressed by a formula containing letters.
2. In an isosceles triangle, the base angle is a, and the degree of the top angle is expressed by a formula containing letters.
3. The circumference of a square is c, and the side length of this square is expressed by a formula containing letters.
4. a number that is five times greater than x and 20 times greater.
5. How many times is the number 20 larger than X and 5?
Four, according to the requirements to complete the following questions (each 12 points).
1. X rows of plane trees and cedar trees were planted in Qingqing Forest Farm. It is known that there are 12 buttonwood trees and 14 cedar trees in each row.
(1) How many buttonwood and cedar trees have been planted?
(2) When x=20, how many sycamore trees and cedar trees are there in Qingqing Forest Farm?
2.a car travels one kilometer per hour, four hours in the morning and b kilometers in the afternoon.
(1) Use the formula to express the kilometers traveled by this car.
(2) When a=80 and b=200, how many kilometers did the car travel?
Five, solve the problem (3 questions 6 points, the rest of each question 7 points)
1. The road maintenance team built a road, 800 meters on the first day, 600 meters in the morning and 400 meters in the afternoon. How many meters are repaired on average every day?
2. Xiaoling's average score in Chinese, mathematics and foreign languages last semester was 92. She got 87 points in the known language test and 9 1 point in the foreign language test. How many points did she get in the math exam?
3. Obviously, you will do 8 questions per minute in the first 3 minutes, and 2 1 questions in the second 2 minutes. How many questions did Mingming do per minute on average?
M, grade five 140 cm. Please make a broken line statistical chart according to the above data.
First, the calculation problem.
1, directly write the number of the following items.
25× 4 = 6000 ÷ 30 = 82 = 25× 4 ÷ 25× 4 =1l -300ml =
30×40 = 18×500 = 9 100÷700 = 14X+5X = 47y-23y+ 17y =
Step 2 calculate
2400÷80- 14×2 308-(240+360÷60) 3 1×[868÷(98-9 1)]
3 Simple calculation
125×32× 125 8 10÷ 18 26× 10 1-26
Second, the judgment question.
1, natural numbers greater than 0 are either odd or even, or prime or composite. ( )
2. A triangle with an acute angle is a right triangle or an obtuse triangle. ( )
3. "The product of two odd numbers is not necessarily a composite number", "The factor of a number is always less than its multiple" and "Three sticks with the length of 10cm, 4cm and 3cm cannot form a triangle". Two of these three sentences are correct. ( )
4. In the division formula, the dividend is enlarged by 5 times and the divisor is reduced by 5 times, and the quotient remains unchanged. … ( )
From 6 o'clock to 9 o'clock, the minute hand rotated 90 degrees. ………………………………( )
Third, multiple choice questions.
1, product of multiplication of two prime numbers ()
A, must be prime number b, odd number c, even number d and composite number.
2. Fill in the largest number in □, so that 22□ is a multiple of 2 and 3, and □ should be filled in ().
A.2 B.4 C.6 D.8
The quotient of 3.9000 divided by 800 is 1 1, and the remainder is ().
In 2000 ad
4. Draw the height above the vertex of a parallelogram, at most ().
A, 1 b, 2 c, countless
5. The circumference of a rectangle is c cm, the length is α cm and the width is () cm.
a、C-2α B 、( C-α)÷2 C、C÷2α
Fill in the blanks.
1, in a right triangle, ∠ 1=33? ,∠2=( )?
2. In an isosceles triangle, when the base angle is 25, its top angle is () degrees, which belongs to () triangle according to the angle; A triangle, its top angle is twice the bottom angle, the top angle is () degrees, and the bottom angle is () degrees. From an angle, it belongs to the () triangle.
3. Fill in "liter" or "milliliter" in brackets.
A glass of water has 300 () and an adult has 4-5 () blood.
A barrel of Jinlong fish oil weighs 5 () and a bottle of glucose oral liquid is about 10 ().
4, with letters said multiplication distribution law is ()
5. Fill in the appropriate prime numbers in the following brackets.
20=( )+( ) 19=( )+( )
35=( )×( ) 17=( )+( )×( )
6. Two identical right-angled trapeziums can be spelled into one () or one ().
7. Among natural numbers greater than 0, the number that is both prime and even is (); () is neither a prime number nor a composite number.
8. Write the number of the following questions directly according to 840÷40=2 1.
84÷4=□ 420÷□=2 1 (840○□)÷(40×2)=2 1 □÷□=2 1
9. Fill in the appropriate numbers in the box.
(1), 6□, is a multiple of 2. 2,3-4 is a multiple of 3.
(3), 12□, which is both a multiple of 2 and a multiple of 5.
(4)42□, both multiples of 2 and multiples of 3.
10, at 1, 4, 8, 0, only three numbers are selected to form the maximum value, which is a multiple of 3 and a multiple of 5 and 2. These three numbers are ().
1 1, the sum of three consecutive odd numbers is 87, which are (), () and () respectively. 12, Xiaohong, Xiao Qiang and Xiao Jian stand in a row for photos, and there are () rows in a * * *.
Fifth, solve the problem.
1, the school bought 72 sets of desks (one desk and one chair), each desk 100 yuan, each chair 35 yuan. How much did it cost? (two solutions)
2. There are 250 chickens in a farm, the number of ducks is three times that of chickens, and the total number of chickens and ducks is 70 more than that of geese. How many geese are there?
The original rectangular garden of Red Sun Square is 40 meters long. Later, when it was expanded, the length was increased by 20 meters, resulting in an increase of 400 square meters. How many square meters does this garden cover now?
It takes Xiaojun five minutes to ride a bike from home to school. At the same speed, he rode his bike from school to the library.
(1) Use a formula containing letters to express the time he spent from home to the library.
(2) When y=540, how many minutes does it take him to get from home to the library?