Class name _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
1. Fill in the blanks (2 points for the ninth sub-question, 65438+ 0 points for other questions, 26 points)
1, measuring the amount of water, oil, drinks and other liquids, usually using () as the unit; When measuring less liquid, it is often measured in ().
2、 125×36= 125×( )×9 25×32=25×8×( )
3, 1 15 30 times is (); 52 180 is (); The plus sign of 20 180 is ().
4. Fill in the appropriate capacity units in brackets.
A bag of milk has 220 (); A bottle of oral liquid18 (); A vegetable sink can hold about 20 () of water.
5, 2 liters = () ml 8000 ml = () liters 500 ml = () ml.
() mL =6 L 10 L = () mL 4 250 mL = () L.
6. Fill in ""or "=" in ○.
3000 ml 03 l 5 l 5400 ml 40 l 4000 ml 2 l 200 ml 2200 ml
7. A rectangular meadow, with a length of120m and a width of 35m, has an area of () m2.
8. Two containers, A and B, can hold 900 ml of water. As we all know, the capacity of container A is twice that of container B. The capacity of container A is () ml, and that of container B is () ml.
9. Use the five numbers 1, 2, 3, 4 and 5 to form a three-digit number multiplied by a two-digit number. The product of () and () is the largest, and the product of () and () is the smallest.
10, picking oranges in the orchard, if each box contains 60 kilograms, it can be packed in 35 boxes; In order to ensure that the oranges at the bottom of the box are not crushed, each box is actually only half the original weight. In this way, the orchard should prepare () boxes.
Second, choose the serial number of the correct answer and fill it in brackets (2 points for each question, 10).
The product of 1 and 498×37 is the closest ().
a、 12000 B、 15000 C、20000
2, the product of the largest two digits and the smallest two digits is ()
Party A, Party B, Party C, 10000
3. The number of the following formula () is equal to the product of 25× 10 1.
a、25× 25× 100 B、25 × 100 + 25 C、25 × 100 + 1
A full glass of milk has 300ml. Xiao Ming drank half of it and then filled it with water. Then he drank a full glass. Xiaoming drank () milliliters of milk.
a 300 B 450 C 150
5. The school has a rectangular garden with a length of 120m and a width of 50m. There is also a square nursery with a side length of 80 meters. Compared with the nursery, this garden is () square meters larger.
A, square nursery, 400 B, rectangular garden, 400 C, rectangular garden, 20.
Three. Calculation (34 points)
1, the number written directly (each question 1 minute,1minute)
70× 13= 32× 40= 84 ÷ 4= 0 × 18= 40 × 200=
15 + 60= 87 - 78= 4 ×700= 14×70= 80 × 60=
2. Column vertical calculation (3 points for each question, 12 points)
350 × 27= 248 × 12= 405 × 39= 120 × 80=
3. Calculate by a simple method (3 points for each question, 12 points)
4 × 7 × 125 9× 125 × 8 48 × 125 36 × 250
Four, solve the problem (6 points per question, 30 points)
1, a bottle of canned drinks is 250 ml, and the school store sells 36 bottles of such canned drinks a day. A * * *, how many milliliters is it? How many liters?
2. One ton of sugarcane water can extract about 186 kg of sugar. How many kilograms of sugar can be extracted from the existing 45 tons of sugarcane water?
3. Xiaoming goes to the bookstore by bike from home, with an average of 320 meters per minute, 15 minutes. It only took 12 minutes to return to the original road. How many meters per minute on average?
4, the capacity of a bottle of milk is 2 liters, obviously drinking 200 ml every day for 8 days. Have you finished this bottle of milk?
5. The school bought 45 sets of single desks and chairs, each set 128 yuan.
Every chair, 52 yuan. How much is a * * *?
Unit 3 and Unit 4 (20 1 1, 3) of Grade Four Mathematics (Volume II) of Jiangsu Education Press.
Class name _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
1. Fill in the blanks (1 each empty question, 20 points.
(1) In the formula 300 ÷ [(30-20) × 5], the method () should be calculated first, then the method (), and finally the method ().
(2) Combining 232-32 = 200 200 ÷ 4 = 50 50×15 = 750 into a comprehensive formula is _ _ _ _ _ _ _ _ _ _ _ _
(3) Fill in "
45+25× 12○(45+25)× 12 25×(4×3)×7 ○ (25×4)×(3×7)
20+ 12+60÷3○20+( 12+60)÷3 240+ 180÷30×2○(240+ 180÷30)×2
(4) The sum of the internal angles of a triangle is () degrees, and a triangle has at most () obtuse angles.
(5) Each inner angle of an equilateral triangle is () degrees, and the two bottom angles of an isosceles triangle are ().
(6) Make a big triangle with two identical triangles, and the sum of the internal angles of this big triangle is () degrees.
(7) An isosceles triangle, the vertex of which is 1200, and one of its base angles is () degrees, is also a () triangle.
(8) In a right triangle, one acute angle is 750 and the other acute angle is () 0.
(9) The waist length of an isosceles triangle is 5 cm, and the bottom length is 4 cm. The circumference of this isosceles triangle is () cm; The length of an equilateral triangle is 5 cm, and the circumference of this equilateral triangle is () cm.
(10) A triangle, given that the degrees of two internal angles are 300 and 400 respectively, then the degree of the other internal angle is () degrees, which is a triangle in terms of angle.
Second, choose the serial number of the correct answer and fill it in the brackets after the question (65438+ 0 for each blank, 5 for each blank).
The comprehensive formula of (1) 40+20 = 60 70-60 =10/0× 30 = 300 is ().
a 、( 70-40+20)×30 B、〔70-(40+20)〕×30 C、70-(40+20)×30
(2) There are 100 red flowers, and the number of red flowers is more than three times that of yellow flowers 10. The correct formula to find out how much more red flowers are than yellow flowers is ()
a、 100×3+ 10- 100 B、 100-( 100÷3+ 10)C、 100-〔( 100- 10)÷3
(3) Two sticks are 10 cm and 5 cm respectively, and the other stick with a length of () cm can form a triangle.
A, 6 cm b, 4 cm c, 5 cm
(4) The lengths of the three sticks are as follows, and the three sticks in the group () cannot be connected end to end to form a triangle.
a，4cm，6cm，8cm b，8cm，2cm，5cm c，5cm，7cm，5cm。
(5) In the isosceles triangle, there is a base angle of 45 degrees, and this triangle must be ().
A, right triangle b, acute triangle c, obtuse triangle
Third, hands-on operation (2 points for each small question, 22 points)
(1) Draw a line segment in the following (1) and (2) triangles respectively, and divide each triangle into two right-angled triangles. Draw a line segment in the third triangle below and divide it into acute triangle and obtuse triangle.
(2) draw a right triangle in the bitmap,
Draw an isosceles triangle with each angle at an acute angle.
...........................
...........................
...........................
...........................
...........................
...........................
(3) Measure the degrees of the largest angles of the three triangles on the left in the figure below: measure the lengths of the three sides of the rightmost triangle; Draw the height at the bottom of each triangle; Fill in the blanks.
(4) Two identical isosceles right-angled triangles are spliced together, and a splicing diagram is drawn below the left figure. The sum of (1) internal angles is a number of 1800.
(2) Make a graph with the sum of internal angles of 3600.
IV. Calculation (3 points for each question, 2 1 point)
(1) deformation calculation
72÷〔960÷(245- 165)〕 440-200÷5×8 720-600÷ 128 〔 175-(49+26)〕× 13
(2) How to calculate as simply as possible.
125× 3× 8 ×2 57+ 168+(32+343) 25 ×(7 ×4)× 3
Five, solve the problem (the first four questions each 6 points, the fifth question 8 points, 32 points)
1. Fruit shop delivery 180 baskets of apples, 220 baskets of oranges, 35 kg of apples and 40 kg of oranges per basket. How many kilograms do apples and oranges weigh?
2. There are 2 13 students in the fourth grade, and the number of students in the third grade is twice that of the fourth grade, with 205 fewer students. How many people are there in Grade One, Grade Three and Grade Four?
Three trucks can transport 72 tons at a time. According to this calculation, how many tons can be transported by adding four such trucks at a time?
A metal wire can just surround a square with a side length of 3 cm. If it is changed to an equilateral triangle, what is the side length of the equilateral triangle?
Badminton rackets for each pair of 97 yuan.
Tennis rackets are 202 yuan each.
Miss Li wants to buy six badminton rackets and four tennis balls.
Shoot me. (1) It is estimated that Miss Li will spend about.
() yuan. (2) How much did he actually spend?
Unit 3 and Unit 4 (20 1 1, 3) of Grade Four Mathematics (Volume II) of Jiangsu Education Press.
Class name _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
1. Fill in the blanks (1 each empty question, 20 points.
(1) In the formula 300 ÷ [(30-20) × 5], the method () should be calculated first, then the method (), and finally the method ().
(2) Combining 232-32 = 200 200 ÷ 4 = 50 50×15 = 750 into a comprehensive formula is _ _ _ _ _ _ _ _ _ _ _ _
(3) Fill in "
45+25× 12○(45+25)× 12 25×(4×3)×7 ○ (25×4)×(3×7)
20+ 12+60÷3○20+( 12+60)÷3 240+ 180÷30×2○(240+ 180÷30)×2
(4) The sum of the internal angles of a triangle is () degrees, and a triangle has at most () obtuse angles.
(5) Each inner angle of an equilateral triangle is () degrees, and the two bottom angles of an isosceles triangle are ().
(6) Make a big triangle with two identical triangles, and the sum of the internal angles of this big triangle is () degrees.
(7) An isosceles triangle, the vertex of which is 1200, and one of its base angles is () degrees, is also a () triangle.
(8) In a right triangle, one acute angle is 750 and the other acute angle is () 0.
(9) The waist length of an isosceles triangle is 5 cm, and the bottom length is 4 cm. The circumference of this isosceles triangle is () cm; The length of an equilateral triangle is 5 cm, and the circumference of this equilateral triangle is () cm.
(10) A triangle, given that the degrees of two internal angles are 300 and 400 respectively, then the degree of the other internal angle is () degrees, which is a triangle in terms of angle.
Second, choose the serial number of the correct answer and fill it in the brackets after the question (65438+ 0 for each blank, 5 for each blank).
The comprehensive formula of (1) 40+20 = 60 70-60 =10/0× 30 = 300 is ().
a 、( 70-40+20)×30 B、〔70-(40+20)〕×30 C、70-(40+20)×30
(2) There are 100 red flowers, and the number of red flowers is more than three times that of yellow flowers 10. The correct formula to find out how much more red flowers are than yellow flowers is ()
a、 100×3+ 10- 100 B、 100-( 100÷3+ 10)C、 100-〔( 100- 10)÷3
(3) Two sticks are 10 cm and 5 cm respectively, and the other stick with a length of () cm can form a triangle.
A, 6 cm b, 4 cm c, 5 cm
(4) The lengths of the three sticks are as follows, and the three sticks in the group () cannot be connected end to end to form a triangle.
a，4cm，6cm，8cm b，8cm，2cm，5cm c，5cm，7cm，5cm。
(5) In the isosceles triangle, there is a base angle of 45 degrees, and this triangle must be ().
A, right triangle b, acute triangle c, obtuse triangle
Third, hands-on operation (2 points for each small question, 22 points)
(1) Draw a line segment in the following (1) and (2) triangles respectively, and divide each triangle into two right-angled triangles. Draw a line segment in the third triangle below and divide it into acute triangle and obtuse triangle.
(2) draw a right triangle in the bitmap,
Draw an isosceles triangle with each angle at an acute angle.
...........................
...........................
...........................
...........................
...........................
...........................
(3) Measure the degrees of the largest angles of the three triangles on the left in the figure below: measure the lengths of the three sides of the rightmost triangle; Draw the height at the bottom of each triangle; Fill in the blanks.
(4) Two identical isosceles right-angled triangles are spliced together, and a splicing diagram is drawn below the left figure. The sum of (1) internal angles is a number of 1800.
(2) Make a graph with the sum of internal angles of 3600.
IV. Calculation (3 points for each question, 2 1 point)
(1) deformation calculation
72÷〔960÷(245- 165)〕 440-200÷5×8 720-600÷ 128 〔 175-(49+26)〕× 13
(2) How to calculate as simply as possible.
125× 3× 8 ×2 57+ 168+(32+343) 25 ×(7 ×4)× 3
Five, solve the problem (the first four questions each 6 points, the fifth question 8 points, 32 points)
1. Fruit shop delivery 180 baskets of apples, 220 baskets of oranges, 35 kg of apples and 40 kg of oranges per basket. How many kilograms do apples and oranges weigh?
2. There are 2 13 students in the fourth grade, and the number of students in the third grade is twice that of the fourth grade, with 205 fewer students. How many people are there in Grade One, Grade Three and Grade Four?
Three trucks can transport 72 tons at a time. According to this calculation, how many tons can be transported by adding four such trucks at a time?
A metal wire can just surround a square with a side length of 3 cm. If it is changed to an equilateral triangle, what is the side length of the equilateral triangle?
Badminton rackets for each pair of 97 yuan.
Tennis rackets are 202 yuan each.
Miss Li wants to buy six badminton rackets and four tennis balls.
Shoot me. (1) It is estimated that Miss Li will spend about.
() yuan. (2) How much did he actually spend?