First, calculate. (***22 points)
1. Write directly. (12)
600÷3= 60×50= 46+ 134= 2700÷3=
3.3+4.4= 6.3-3.5= 9+4.7= 13×300=
5 1÷7≈ 250÷4 ≈ 98×40≈ 48×5 1≈
2. Column vertical calculation. (For the questions marked with *, check, calculate 2 points, check 2 points, *** 10)
42.3+ 15.9= 10-3.8= 32×26= *522÷4=
Fill in the blanks. (65438+ 0 for each grid, 2 for the 9th question, and 24 for * * *)
40 times of 1.25 is (), and 15 20 is ().
2. When we draw a map, we usually follow the directions of up (), down (), left () and right ().
3.□42÷7. If the quotient is three digits, the smallest of □ can be filled in (); if the quotient is two digits, the smallest of □ can be filled in ().
4 7 am is (), 18 am is ().
Xiao Ming was born on June 1 day, 2002 and just turned one year old on June 1 day this year.
6. A rose 2.6 yuan, two roses () yuan.
7.3 square meters = () square decimeter 5 hectares = () square meters
8 Fill in decimal places. 6 decimeters = () meters 2 yuan 3.5 points = () yuan.
9 The circumference of a square is 28 decimeters and the area is ().
10. Fill in the appropriate units in ().
The cover area of this math book is 3 (). Xiaoqing's height is 1.32 ().
The living room area of Xiaohua's home is about 20 (), and the circumference of the blackboard is about 9 ().
1 1. 1 pineapple = 4 apples, 1 apple = 2 peaches. 1 pineapple = () peach.
12 The rectangle is 40m in length, 25m in width, () in circumference and () in area.
Third, sentence. (Tick "√" in brackets for correctness and "×" for error. ) (10)
1. A square with a side length of 4 decimeters has the same circumference and area. ……………………( )
2.2008 is a leap year. …………………………( )
3. Because 7× 0 = 0, 7 ÷ 0 = 0. ………………( )
4.20×25, with a 0 at the end of the product. ………………………………( )
5.3 The average weight of the students in Class (5) is 35 kg, and the weight of the students in Class (3) cannot be less than 32 kg. …………………………………………………( )
Fourth, choose one. Fill in the correct serial number in brackets. ) (10)
1. Make a square with four sticks of 1 decimeter, and the area of this square is ().
A, 1 square decimeter b, 4 square decimeter c, 16 square decimeter.
2.368 ÷ 7 The unit of quotient is (). a、8 B、2 C、9 D、0
3. Comparing the following two pictures, the correct statement is ().
A and B have the same area, but A has a long circumference, while B and B have the same area and circumference.
C, A and B have equal perimeters, but B has a large area. D and a have small area and small perimeter.
4. The school set up two interest groups, and 43 people from Class 3 (2) signed up to participate in the activities, including 28 people from the painting and calligraphy group and 23 people from the chess group, and () people from both groups participated.
A, 7 people B, 8 people C, 9 people D, 10 people
5. The clock face on the left is an afternoon time, which is expressed by 24-hour timing method ().
a、5:45 B、9:27 C、 15:45 D、 17:45
5. Draw a picture and calculate. (10)
The side length of each box below represents 1 cm. Draw 1 rectangle and square on the paper, with the perimeter of 12 cm, and calculate their areas beside the paper.
Six, solve the problem (***24 points)
1 Look at the picture and answer the questions.
Who voted? (5 points)
2
.
(1) Mr. Wang spent 1 14 yuan on pens, but Mr. Wang bought () pens and () sticks. (2 points) (2) Is it enough for Mr. Wang to buy 10 balls and 5 notebooks with 100 yuan? (4 points)
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? (5 points)
four
How many balls does Aunt Wang sell on average every day? (8 points)