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Basic problems of mathematics in grade two
First, write the complex number directly.

800÷4= 10×73= 560÷7= 300÷5= 4× 12= 10× 10=

30×23= 630÷3= 480÷2= 360÷6= 60×70= 50×80=

Second, use vertical calculation.

860÷5= 920÷9= 484÷8= 6.4-5.8=

45× 14= 68×86= 70×97= 7.5+2.6=

fill (up) a vacancy

The quotient of 1 and 725÷9 is () digits;

The dividend of 35 ÷ 3 is three digits, the quotient is greater than 300, and the number in the box is (); The divisor of division with remainder is 5, and its maximum remainder is ().

There are () days in February this year and () days every year.

Xiaohong's birthday is the last day of the year, and her birthday is () month ().

3. Use fractions to represent colored parts.

4, 9 decimeters written as a score is () meters, if written as a decimal, it is () meters.

3.7 yuan is () Yuan () Jiao.

5. Fill in the appropriate units in the brackets.

(1) The water used by mom for cooking at noon weighs about 2 ().

(2) Dad runs about 3 () every morning.

(3) A truck of watermelons weighs about 5 ().

6. fill in ">" or "

5. 1 yuan ○ 1 yuan.50 0.401.13.803.5.

7. The picture on the right consists of squares, and the side length of each small square is 1 cm.

The mosaic has an area of () and a perimeter of ().

Sixth, solve practical problems.

1. Miss Wang bought three boxes of pens, one of which was spent 156 yuan. What is the price of each pen?

Yanwu recorded the time she took part in sports activities every day last week. On average, how many points does she participate in sports every day?

3.(2) On average, Li Ming's family uses 4 degrees of electricity every day. How many kWh did his family use in the second quarter?

Lin Hong encircles the bottom of rectangle and square with a stick. Each figure uses 12 sticks, and each stick is 1 decimeter long.

Mathematics examination questions in the second volume of the third grade

1. Fill in the blanks: (24 points)

1. When facing the sun in the morning, there is () square behind you and () on the left.

Fang, on your right is () Fang.

This year is 2008, * * * has () days, and this month is June with () days.

3. One color TV set 1998 yuan, and it takes about () yuan to buy three sets.

4. 16 is () afternoon. Five years equals () months.

5.□86÷5, if the quotient is three digits, the smallest of □ can be filled in (), if

The quotient is a two-digit number, and the maximum value in □ can be ().

6. A metal wire forms a rectangle with a length of 5cm and a width of 6cm. This rectangle

The area of is () square centimeters. If this wire is used to form a positive electrode.

Square, the area of a square is () square centimeters.

7.5 hectares = () square meters 7000 hectares = () square kilometers

8. Fill in the appropriate units in ().

One side area of an eraser is 6 ()

The school playground covers an area of 900 square meters

9. Arrange the following figures in descending order.

6.5 6.05 6.65 6.56 __________________________

10.▲ = ●+●, ▲+● = 40, then ● = (), ▲ = ().

1 1, compare sizes

300 square decimeter 30 square meter 2800 square meter 28 hectares

Second, choose one. Fill in the correct serial number in brackets. ) (16 points)

The unit of the quotient of 1 648÷8 is ().

a、8 B、 1 C、9 D、0

There are () zeros at the end of the product of 2.25× 80.

a、 1 B、2 C、3 D、4

3. 9 am is ()

A, 9: 00 b, 2 1 c, 265438+ 0: 00 p.m.

4. The following year () is a leap year.

a, 1900b, 1992c, 1998d, 1982。

5, a box can hold 6 bulbs, 94 bulbs need () boxes.

A, 14 B, 15 C and16 c.

6. When the length and width of a rectangle are expanded by 2 times respectively, its area will be expanded by () times.

a、2 B、4 C、8

7. Comparing the following two pictures, the correct statement is ().

A, A and B have equal areas and equal perimeters.

The areas of B, A and B are equal, but the circumference of A is longer.

C, A and B have equal perimeters, but B has a large area.

D and a have small area and small perimeter.

8. The school has set up two interest groups, and 42 people from 3 classes (1) signed up to participate.

Activities, in which 27 people participated in the painting and calligraphy group and 24 people participated in the chess group.

Every group participated in ()

A, 7 people B, 8 people C, 9 people D, 10 people

Third, sentence. (5 points)

1. 1998 March, the day before 1 was February 28th ()

2. Divide 0 by any number to get 0 ()

3. 1 square decimeter is greater than 1 decimeter ()

The calculation results of 4.54× 80 and 540×8 are the same ()

5. A square with a side length of 4 cm has the same perimeter and area ()

Fourth, the calculation questions:

1. Numbers written directly: (16 points)

500÷5= 80×50= 120×30 = 2700÷9=

12×200= 58-29 = 2 1×40 = 630÷7=

15×20= 0÷23= 2000÷4= 44×20 =

2.3+3.4= 5.3-3.5= 8+4.7= 9-3.5=

2. Write the following questions: (The questions marked with * should be checked) (14 points)

42.3+ 15.9= 10-3.8= * 15×68=

32×26= 927÷3= *522÷4=

Sixth, solve the problem. (20 points)

1. Yucai Primary School has five grades, six classes in each grade and 48 students in each class.

How many students are there in Yucai Primary School?

2.96 people do exercises in three teams, and each team stands in four columns. Average number of stops per train

Less people?

3. A pencil is 0.70 yuan and a pen is 5.60 yuan. Buy a pencil and a steel.

How much do I have to spend on a pen?

4. A ship travels within 5 hours150km. At this rate, we can sail in one day.

How many kilometers?

5. Cut out the largest one from a rectangular paper with a length of 8 cm and a width of 6 cm.

Square, what is the figure of the remaining area? How many square centimeters is its area?

The following is the statistics of students' eating in school in June. five

(1) Draw once to complete the statistical chart.

(2) What is the average number of people eating in each class in June?

Seven. Capable gas stations: (20 points)

1. Both parties go to the cinema from school at the same time, and Party A walks every minute by bike 150.

M, B walks 80 meters per minute. How many meters is there between A and B after 9 minutes?

There is a rectangle with a circumference of 36 decimeters and a length of 12 decimeters. This rectangle

How many square decimetres is the area?

Mid-term Quality Investigation of Grade Three Mathematics

Dear children, it is time to test you. Hurry up, read the questions carefully and finish them carefully. I wish you good results in the exam! Come on! !

First, oral calculation. (0.5× 12 = 6 points)

630÷ 3= 17×80= 960÷3= 23×50=

2 10÷ 10= 34×60= 480÷2= 37×40=

320÷ 10= 26×70= 360÷6= 43×90=

Second, use vertical calculation. (2× 4 = 8 o'clock)

720÷60= 920÷40= 560÷40= 980÷70=

3. What can I fill in □? (0.5× 8 = 4 points)

40×□