I. Fill in the blanks (2 1)
1.16m2 = () square decimeter 5 hectares = () square meter.
4200 hectares = () square kilometers 4700 square centimeters = () square decimeter.
2. Fill in the appropriate unit name in brackets.
(1) The area of the math exercise book is about 4 ().
China's land area is about 9.6 million ().
(3) My stride is about 30 ().
(4) The classroom door is 2 () high and 2 () in area.
3. Use scores to represent colored parts.
4. There are 28 students in Class Three (1), including girls (12), girls () and boys ().
5. There are 1 white balls, 2 red balls and 3 yellow balls in the box. If you touch 1 at will, there are () results, and the possibility of touching () ball is the least.
6. The circumference of a square is 24 meters, the side length is () meters and the area is () square meters.
7.250×8, and there are () zeros at the end of the product.
8. Xiaoming is 10 years old. His grandfather is more than six times his age. He is 4 years old and his grandfather is () years old.
Second, the judgment (5 points)
1. The steering wheel of the train moves in translation. ( )
2. The quotient of two digits multiplied by two digits must be four digits. ( )
3. Square is a special rectangle. ( )
A square with equal circumference and a rectangle have equal areas. ( )
5. The perimeter and area of a square with a side length of 4 cm are equal. ( )
Three, choose the correct answer to fill in the brackets (5 points)
The quotient of 1 480÷2÷4 equals () of the formula.
A.480℉8° b . 480℉6°c . 480℉5°
2. The height of Xiaojun is 145 ()
decimetre
3. Make a rectangle with two squares with a side length of 3 cm. The circumference of this rectangle is ().
A.24 B.18cm C.12cm
4.4 teams, every two teams have a game. Team * * * competition ().
A. 12
5. A square with a side length of12cm and an area of ().
A.24 cm2 B.36 cm2 C.48 cm2
Four, the calculation part (40 points)
1. Write the results of the following questions directly. (12)
5-2.6= 15.8-4.9= 18.3+26.7= 1― =
27×30= 25×8= 120×40= 15.2-4.4=
+ = - = 1 1×5 1= 4000÷5=
2. Use vertical calculation. (10)
42× 19 354÷6 64×35 690÷3 56×23
3. Mixed operation. (18)
540÷9÷6 125×3×8 36×7+ 129
860- 13×22 (25+39)× 12 320×(300-294)
Verb (abbreviation of verb) drawing (5 points)
(1) chart to ()
Translated () lattice.
(2) Draw on grid paper.
The triangle is translated 5 squares to the right.
The graphics of.
Six. Application problem (24 points)
1. Lele spent 8.55 yuan on books, went to buy a pen and spent it on 3.2 yuan, and paid it to the clerk 15 yuan. How much should I get back?
2. Coke 10 box, water 15 box, 24 bottles per box. How many bottles of drinks are there?
3. What is the perimeter and area of a square paper with a side length of 16 cm?
4. A building 12 floors, with 8 households on each floor. How many families live in a building like 15?
5. The canteen brought 850kg of rice and ate it for 16 days, averaging 28kg per day. How many kilograms of rice are left?
6. The floor of the library is 25mm long and12mm wide. If the library floor is paved with floor tiles with a side length of 2 meters, how many such floor tiles are needed?
7. It takes 4/9 to make a coat and 3/9 to make a skirt.
(1) How much of this cloth is used to make coats and skirts?
(2) How much is this cloth used to make a coat than a skirt?
(3) How much is left?
8. A rectangular piece of paper is painted red and blue. What percentage of this paper is uncoated?