Read the following paragraph and fill in (***25 points).

1. My name is Wang Ming. I am 10 years old this year. My height is 145 cm, and the decimal number is () meters. I am in the third grade of primary school. My hometown, Deyang, is in the southwest of the map, and the map is generally drawn according to the up (), down (), left () and right ().

There are 65 students in our class, and our classroom area is about 50 (). There are five students in our * * group, and their heights are: 148cm, 142cm, 139cm, 14 1cm.

3. My time at school every day is:

8: 30-12:10/3: 30 is () afternoon, 16 is13: 50-17:10. Let's calculate that my time at school is () hours () minutes a day.

We learned something about decimals this term, such as:

3 square decimeter = () square centimeter 4500 square decimeter = () square meter

5 hectares = () m2 1 km2 = () hectares.

3.6 yuan = () yuan () jiao 5 decimeters = () meters.

5. Arrange the following decimals in descending order.

3.5 3.05 3.35 3.53 ( )

I am especially looking forward to 2008, because I am proud that the 2008 Olympic Games will be held in China. This year is 2007 and another year is 2008. In 2007, * * * had () days, in 2008, * * * had () days, and this year is ().

Give a sentence (5 points)

There are seven big months and five small months in a year. ( )

2,450× 20, and there are two zeros at the end of the product. ( )

It took 24 hours from 7 o'clock this morning to 7 o'clock the next morning. ( )

There are 9 1 day in July, August and September. ( )

5. The area of fingernail is about 1 cm. ( )

Third, do math.

1, the following questions are calculated orally (10)

40×7= 20×5= 1800÷6 = 300÷5=

500÷5= 100×3= 360÷6= 560÷2=

900÷3= 10×6= 190+90= =

12×5= 14×20= 46+54= =

Please observe the arrangement of the first three groups of questions vertically, and then write these two formulas according to the arrangement of the numbers you find.

2, estimate an estimate (4 points)

(1), a pair of shoes 18 yuan, it costs about () yuan to buy three pairs of such shoes.

(2) A youth encyclopedia 98 yuan, a story book 4 yuan, the price of a youth encyclopedia is about () times that of a story book.

(3) It is 500 meters from Wang Ming's home to school. He walks to school for about 8 minutes every day, and walks about () meters every minute.

(4) There is a 2000-word article, and my mother can type 7 1 word every minute. Can she finish the competition in 29 minutes? Answer: ()

3, vertical calculation, with ""check (14 points)

562÷4= 6 15÷3= 37×82=

709×4= 1.3-0.6 = 0.0 1+0.99=

Three, use your head, draw a picture to calculate (12 points)

There are two rectangles of the same size, both 4 cm long and 2 cm wide.

(1), and combine them into a rectangle. Please draw the combination diagram and calculate the perimeter and area of this rectangle.

Circumference: area:

(2) Put them together to form a square. Please draw a combination diagram and calculate the area and area of the square.

Circumference: area:

Four, solve the problem (30 points)

1. The fruit market shipped 3 15 kg of oranges. For example, 5 kilograms are packed in a box and distributed to 7 stores on average. How many boxes were distributed in each store?

2. A ballpoint pen is 0.80 yuan and a pen is 3.80 yuan. How much does it cost to buy a pen and a ballpoint pen?

3. Our school customized school uniforms for students, and ordered 10 boxes, each with 24 sets of school uniforms and each set of 40 yuan. How much does the school have to pay for the bill?

4. The weight of one pig is equal to the weight of four sheep, 1 the weight of one sheep is equal to the weight of six chickens, and 1 the weight of one chicken is 3kg. How much does a pig weigh?

The school playground is 70 meters long and 40 meters wide. If each student occupies 2 square meters when doing exercises, how many students can stand in this playground?

6, recognize, and then fill in.

(1) From Xiaoming's house, walk () meters to (), and then walk 50 meters to the supermarket, which is in Xiaoming's () direction.

(2) Starting from Xiaoming's home, walk () meters to (), and then walk () meters to the hospital, which is the direction of Xiaoming's home ().

Fill in the blanks with statistics

7. The following is a statistical chart of six groups in Class Three (1) participating in tree planting.