First, fill in the blanks. (2 points for each small question, ***20 points)

1. Fill in the appropriate company name in the () below.

The total land area of Dongguan is Xiaoming's weight.

About 2465 () About 25 ()

The height of a big tree is the area of a student card.

About 10 () is about 45 ()

2. 5: 20 pm, which means before 24: 00 (). 20 o'clock is the evening ().

3, 4 square meters = () square decimeter 70 cm = () decimeter

3 hectares = () square meters 500 hectares = () square kilometers.

4. Leap year has () days in February and () days in September.

The quotient of 5.6 18÷3 is () digits; There are () zeros at the end of the quotient of 200÷5.

6. Divide 1 m into 100 parts, each part is 1 cm, and 28 cm is () () m.

Expressed in decimal as () meters.

7.☆ ÷ 7 = 24 ...△, △ can be filled in (), when△ value,

☆ Yes ().

8. China * * * Production Party was founded in July 192 1, and this July 1 is the anniversary of the founding of the Party. To () is the anniversary of the founding of the party 100.

9. The length of a rectangle is 12 cm, the width is 8 cm, the circumference is () cm, and the area is ().

10. Fill in ""or "=" in the box below.

23× 18 4 hectares and 400 square meters

36 cm 0.36 m 0.99 yuan 1 yuan

Second, the judgment question. (***5 points)

1, 1900 is a leap year with 366 days in a year. ……………………………( )

2. Because 0×0=0, 0÷0=0. ……………………………………( )

3. The average value is greater than the minimum number, less than the minimum number, but in between. ………( )

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

When Xiaoming faces east, his back is to the west. ……………………………( )

Third, multiple choice questions. (***5 points)

1. If the quotient of "□2 1÷9" is three digits, only () can be filled in "□".

① 9 ② 8 ③ 7

2. In the following Gregorian calendar years, the leap year is ().

① 2100 ② 2012③ 2011year.

The city library is open from 9 am to 6 pm every day, and the city library is open for () hours every day.

① 3 ② 9 ③ 15

4. Make a rectangle with two squares with a side length of 2 decimeters. The area of this rectangle is ().

① 4 square decimeter ② 8 decimeter ③ 8 square decimeter

The weight of a pig is equivalent to the weight of two sheep, the weight of a cow is equivalent to the weight of three pigs, and the weight of that cow is equivalent to the weight of () sheep.

① 6 ② 7 ③ 8

Fourth, calculation. (28 points)

1, a number written directly. (6 points)

20×30= 240÷6= 15×20= 2 100÷3=

13×30= 84÷4= 40×2 1= 0÷8=

1.5+0.8= 1-0.6= 0.7+0.4= 1.6-0.9=

2. estimate. (3 points)

2 1× 18≈ 42 1÷6≈ 638÷8≈

3, column vertical calculation of the following problems, the first (5) check. (16)

( 1)6.2 + 3.9 = (2)38 × 24 = (3)9 10 ÷7 =

(4) 7 - 3.6 = (5) 832 ÷ 4 =

4. Write the number directly. (3 points)

800÷4÷5= 10×(5+22)= 87-64÷8=

Fifth, hands-on operation. (10)

1. Look at the decimal and color it with your favorite color. (2 points)

2. Fill in the blanks according to the picture below. (4 points)

(1) The electricity * is located on the () side of Li Qiang's house, and the gymnasium is on the () side of the electricity *.

(2) Li Qiang from the library to the electricity *, to walk () meters to the electricity *.

(3) When Li Qiang comes home from school, he walks () meters to the electricity *, and then () meters to () home.

3. Each small square below is a square with a side length of 1 cm. Please draw two rectangles with an area of 12 cm in the square. (4 points)

Sixth, solve the problem. (No.65438 +0 is 4 points, No.2 to No.5 is 5 points, No.6 is 8 points, and ***32 points)

1、

Do you know my height?

2. The text "The Story of a Small Village" has 19 lines, and each line has 2 1 words. How many words are there in this article?

3、

How many kilograms of water does he send every day?

4、

The wall in front of the classroom is 6 meters long and 3 meters wide. There is a blackboard on the wall, with an area of 3 square meters. Now we must paint this wall. How many square meters is the area to be painted?

6. The following is the sales statistics of a car dealership in Dongguan in 2009-20 1 1 Dongfeng Motor. Answer the following questions according to the statistical chart. (***8 points)

(1) The sales volume of this brand car in () is the lowest in (). (2 points)

(2) What is the annual sales volume of this brand from 2009 to 20 1 1 year? (4 points)

(3) Can you guess how many cars the 20 12 car sold? (2 points)

20 1 1-20 12 quality inspection and evaluation volume for the next semester of the school year.

Third grade mathematics (answer)

1. Fill in the blanks (2 points for each small question, * * 20 points. )

1, square kilometers; Kilogram; Rice; Square centimeters.

2, 17: 20; Eight o'clock. 3、400; 7; 30000; 5。

4、29; 30。 5, 3; 1。 6、28 100 ; 0.28。

7、 6; 174。 8、9 1; 202 1。 9、 40; 96。

10、; =;