1, divide a watermelon into 9 pieces on average, Xiaoming ate 2 pieces, and Xiaoming ate watermelon (). This watermelon () is left.
There are () zeros at the end of the product of 2.480 × 5.
3. There is () in it, and () is 1.
4. In 5.47, 5 to the left of the decimal point means 5 (), 4 to the right means 4 (), and 7 means 7 (), which is pronounced as: ().
5, 5 football teams play, every two teams will play, and one * * * will play ().
6. Twenty-four people should form a rectangular team, and there are () arrangements. If you want to stand in a square line, you should at least increase () people, or at least decrease () people.
7. Fill in the appropriate units.
A test paper is about 9 (), the blackboard is 4.5 (), the ink bottle cap is about 3 (), and the swimming pool area is 1200 ().
8, 80 square meters = () decimeter 4 hectares = () square meters
5000 square centimeters = () square decimeter 200 square decimeter = () square meters
9. The length of a rectangle is 8 cm, and the width is 2 cm less than the length. The circumference of this rectangle is
() cm, the area is () square cm.
The area of a square with a side length of 100 m is (), and the area of a square with a side length of 100 m is ().
Second, the small judge (***5 points)
1, two rectangles with different perimeters must have different areas. ( )
2. Write 16 Chinese characters per page, Xiao Ming writes 1/2, Xiao Hong writes 1/3, and Xiao Hong writes fast ().
3. Divide a basket of oranges into 5 piles, each pile is 1/5. ()
4. Add 0 or remove 0 after the decimal point, and the size of the decimal point remains unchanged. ( )
A rectangular paper with a length of 6 cm and a width of 3 cm can be cut into two identical squares. ( )
Third, I will choose (***5 points)
1, 1 and the following () groups of Chinese characters are all axisymmetric.
A, America b, Jinshan c, spring
2. The formula different from the calculation result of 28×60 is ().
a、280×6 B、208×6 C、2 10×8
3. Enclose a square with a 20-meter-long wire, and the area of this square is ().
A, 25 square meters b, 20 square meters c, 25 square meters
4. The number greater than 0. 1 less than 0.2 is ().
One, nine B's, no C's, countless.
5. In the figure, the colored part occupies the whole rectangle ().
A, B, C,
Four, the calculation part (30 points)
1, direct writing number (6 points, 0.5 points for each question)
1-( + )= 25×80= 10-3.6-6.4=
8×8-8÷8= ( + )×36= 9+9÷9×9=
0.56+5.6= 29× 1 1= (9.6+ 14.4)÷6=
720×40= 3.2- 1.5- 1.5= 420÷2÷7=
2. Vertical calculation (12 points, 2 points for each question)
29× 14 39×40 16.3+8.9
46×25 650÷5 6.4-2.8
3. Off-type calculation (8 points, 2 points for each question)
238+(72×25) (506-297) × 15 700-327÷3 16×(9.8+25.2)
V. Operational problems (10 score)
1. Draw two different rectangles with 12 square centimeters on each square below. (6 points)
2. Move the boat 6 squares to the right.
First, translate the parallelogram down by 4 squares, and then move it to.
Pan 6 squares to the left.
Six, practical application (34 points)
1, the luxury cinema has 12 small projection halls, each of which
A 32-seat small screening, once in Yucai Primary School.
350 people went to the cinema, which had enough seats.
Really? (4 points)
2, extracurricular activities, the whole class to play ball, the rest of the students to jump rope. What is the proportion of skipping rope in the class? There are more people skipping rope than playing ball. What's the score of the whole class? (4 points)
3. Hold a concert at the 76-seat Forest Music Station, each ticket 15 yuan.
(1) 42 tickets have been sold. How much did you collect?
(2) The remaining tickets are sold at 12 yuan. What's the maximum charge?
4. Teacher Wang prepared a rectangular piece of paper with a length of 32 cm and a width of 15 cm for the children. How many pieces of square paper with a side length of 2 cm can you cut at most? (5 points)
A line just forms a square with a side length of 4 cm. If this line is used to form a rectangle, how big is its area?
(5 points)
6. Li Hongjia will lay the upper brick on the living room floor. What kind of square brick is cheaper? How many square bricks do you need? Dafang brick1one in 8 yuan and one in 4 yuan. (6 points)
Dafang zhuan Xiao Fang zhuan
7. Charter a boat. Three teachers led 36 students to go boating. Please design three kinds.
Charter scheme, and tell which scheme is the most cost-effective. (5 points)