1. Fill in the blanks: (65438+ 0 for each blank, ***23. )
1 and 3000 are () hundred. When you divide 3000 by 5, you think like this: Divide 30 () by 5 to get 6 (), which is ().
2. The number consisting of two hundred and three tens is (), and the product of 2 times this number is ().
3, drawing graphics as required:
(1) Draw ○, and the number of ○ is twice that of △; (2)Draw☆☆☆☆☆☆;
△△
△△△△△△
4. Complete the formula on the right according to the first formula on the left of each question.
⑴ 1827÷9=203 9×203=( )
⑵ 1 14×4+2=458 458÷( )= 1 14……( )
5. Put "√" in the brackets in front of the following formula. The number of this formula exceeds 60.
( ) 17×4 ( )554÷6 ( ) 192÷3
( )496÷8 ( )3×22 ( )6× 12
The product of 6.4□□×7 is bit (), and the highest bit of the quotient of 8□□÷7 is bit ().
When 7.236 is multiplied by 9, the ten digits should be entered into a hundred ().
8. Fill in the number of students who participated in the children's activity center in grades one to three of Nanmo Primary School.
Art group children's English group small football group writing group
15 people
(1) The number of people in the art group is twice that of the small football group;
(2) There are more children's English group than art group 18;
(3) The number of children's English group is three times that of writing group;
9. There are 4 groups in Class 3 (1) in a primary school, with an average of 8 people in each group. There are () people in this class. If they rent a six-person pickup truck for sightseeing, they need to rent a car.
Second, judgment: (65438+ 0 point for each question, ***5 points. )
The product of 1, divisor and quotient must be equal to dividend. ( )
2. In division, for each quotient, the remainder must be less than the divisor. ( )
3. When calculating 3 times 27 1, write 6 in the hundredth bit of the product. ( )
4. One digit times three digits, and the product may be three digits or four digits. ( )
Divide 5, 0 by any number that is not 0 to get 0. ( )
Three. Calculation (***45 points)
1, write the numbers directly (each small question 1 point, *** 12 point).
30×4= 1500÷5= 4×2 1= 900÷3= 2+320=
3×3 10= 96÷3= 80×5= 720-8= 6300÷3=
50×6+ 12= 10×6+ 12=
2. Calculate the following questions vertically (3 points for each small question, 4 points for checking calculation, ***2 1 point).
124×5= 587×9= 360×3=
cheque
Calculation:
564÷6= 1435÷7= 2354÷3=
test
Calculation: calculation:
3. Off-type calculation (3 points for each small question, *** 12 points. )
9 12÷8÷3 (2373- 1659)÷7
624÷6×5 473+820÷4
Four. Estimation: (3 points for each small question, ***6 points)
1. Nanmo Town needs to send a person to Hai 'an to buy eight training balls at 8 1 yuan each. How much is appropriate to collect from the accounting office? Tell me your reasons.
Please estimate the approximate number of 198×9. Please write down the main steps of your evaluation.
Five, the application problem (1 small 6 points, the rest every small 5 points; ***2 1 min. )
1 Four classes in Grade Three went to plant trees, with an average of 32 trees planted in each class. How many trees have been planted in a class?
In the fourth grade, 150 trees were planted. How many more trees are there than in the third grade?
2. The town education management center purchased 1745 extra-curricular books from the county education bureau and distributed them to 4 schools on average. How many books can each school get and how many books are left?
The sports meeting is coming, and everyone is actively preparing for the game. Xiaoming and Xiaohua signed up for the skipping competition. Xiao Ming said, "I jumped 282 times in 3 minutes." Xiao Fang said, "I jump in 2 minutes 190." Who do you think should take part in the competition? Why?
Every third-grade student in Nanmo Primary School should make four red flowers. There are 96 boys and 89 girls in Grade Three. How many red flowers do female students open?
People's Education Press Edition
Mid-term examination paper of the third grade of primary school mathematics
(Time: 80 minutes)
Get a place in the competition
Fill in the blanks. (20)
(1) In an equation, there are addition, subtraction, multiplication and division, so () should be calculated first and then ().
(2) A square has () sides, namely () sides, and the () sides of the square are equal. rectangular
The () sides of the shape are equal.
(3) A * * * has 32 small animals, and each room has 7 small animals, which can fill () rooms and leave () small animals.
(4) The thickness of 1 2 cent coin is about1().
(5) 3000m = () km100cm = () decimeter.
(6) Fill in the blanks with appropriate units.
A piece of chalk is 75 () long and a tank weighs 18 ().
(7) The three sides of the triangle are equal, one side is 6 cm long and the circumference is ().
(8) The circumference of a square is 20 cm and the side length is () cm.
(9) Xiaoling arrives at school at 7: 00 in the morning and finishes school at 1 1: 00. She stayed at school for () hours in the morning.
(10) A straight line can be drawn after one o'clock, and a straight line can be drawn after two o'clock.
Second, judge. Tick √ for the right and × for the wrong. ( 10)
(1) The equilateral quadrilateral must be a rectangle. ( )
(2) According to 1495+827 = 2322, the number of 2322- 1495 can be written directly. ( )
(3) The load capacity of a truck is 8kg. ( )
(4) The difference between three digits minus two digits must be three digits. ( )
(5) Draw a rectangular wooden frame into a parallelogram with equal perimeter. ( )
(6) A car travels about 65 meters per hour. ( )
(7) An office building is about 52 kilometers high. ( )
Kilometers are larger units of mass. ( )
(9)4 kg =4 km. ( )
Zhao Liang's living room is 5 cm long. ( )
Third, calculation.
1, a number written directly. ( 1 1)
( 1)3 1+47= 9×5= 7 10-420= 46- 18=
380+530= 6×6= 8 10-490= 340+270=
(2)700-5×6= 20÷5×3= 18÷(3×3)=
2, with vertical calculation, and checking. (4)
786+829 504-347
3. calculation. (4)
1t-320kg =()kg 480mm+520mm =()mm。
1m-54cm =()cm 830g+ 170g =()kg
4. Fill in >,< or =. (6)
349+768 768+349 60 minutes 1 hour
5 hours and 50 minutes
4 m 1000 mm 3 tons 4500 kg
5. Color the remaining formula with 2 in red and the remaining formula with 3 in green. (8)
32÷6 18÷5 38÷9 3 1÷4
44÷7 39÷6 16÷7 43÷5
Fourth, solve the problem. (37)
1, find the perimeter of the figure below. (6)
8 decimeters
Teacher Wang took 8000 yuan, spent 6387 yuan on a computer and 986 yuan on a printer. How much is left? (6)
3. A football field is100m long and 45m wide. Xiao Qiang is running around in site run. How many meters did he run? (6)
On the first morning, the TV factory produced 274 TV sets, and in the afternoon, it produced 196 sets. If 5 10 sets were produced the next day, how many sets were produced the first day? (6)
Xiaoming has to walk 200 meters from home to school. He walks back and forth twice a day. How many meters does it need? (6)
6. Class 3 (1) has 44 people, all of whom are rushing forward. Each ship can accommodate five people. How many boats should we rent at least? (7)