Fill in the blanks. (2 points for each small question, ***20 points) 1. Fill in the appropriate company name in the following ().
The total land area of Dongguan is about 2465 (), and Xiaoming weighs about 25 ().
The height of the big tree is about 10 (), which 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 ...△, in which △ can be filled in (), when △ is the value, ☆ is ().
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 () below.
23× 18()32× 18
4 hectares () 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. ………()
4. The perimeter and area of a square with a side length of 4 cm are equal. ……………()
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 "□".
①9
②8
③7
2. In the following Gregorian calendar years, the leap year is ().
①2 100 year
②20 12 years
③20 1 1 year
The city library is open from 9 am to 6 pm every day, and the city library is open for () hours every day.
①3
②9
③ 15
4. Make a rectangle with two squares with a side length of 2 decimeters. The area of this rectangle is ().
①4 square decimeter
②8 decimeters
③8 square decimeters
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.
①6
②7
③8
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, solve the problem. (***33 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?
How many kilograms of water does he send every day?
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?
extreme
1. Fill in the blanks 1, () The length of a week of a graph is called the circumference of this graph.
2. In the division formula, the remainder is 6, and the minimum divisor should be ().
3. The basis for finding the unknown in 40-□=25 is ().
4. Rectangular, the sum of the lengths of two adjacent sides is 15 cm, and its circumference is () cm.
The circumference of a square is 40 decimeters, and the side length is () meters.
6.□÷9=20……□, and the dividend must be equal to () to make the remainder.
7, 3 kilometers 40 meters = () meters
10000m = () km
2m= () mm
7000 kg = () tons
5m=()dm
600 mm = () Deutsche Mark
8. Fill in the appropriate unit name in the brackets of the following questions.
The train travels 80 miles an hour.
10 bag of rice weighs 50 ().
This crayon is 60 () long.
This table is 8 () high.
6()=600()。
70()=7()。
9. Subtracting two numbers in a row from a number is equivalent to subtracting () from this number.
2. Judgment: put "√" in brackets for the right and "×" for the wrong.
1, all four sides of a square are equal, and all four sides of a rectangle are unequal. ()
2、546-297=546-300+3。 ()
3.5000 kilograms of iron is equivalent to the weight of 5 tons of cotton. ()
4. Cut out a small square with a side length of 1 cm from the corner of a large square with a side length of 5 cm, and the perimeter remains unchanged. ()
Three, do not need to calculate, according to the number of quotient, fill in the serial number in brackets.
①905÷8
②398÷7
③7□2÷7
④4□□÷6
⑤583÷4
⑥629÷9
Quotient is a two-digit number: (). The quotient is three digits: ().
4. Choice: Put the correct serial number in brackets.
1, the perimeter of a rectangle is equal to the perimeter of a square. The length of a rectangle is 10 cm, the width is 6 cm, and the side length of a square is () cm.
①8
②4
③32
④ 16
2. An elephant weighs ().
①6000 grams
②6000 kg
③6000 tons
3. Three digits are () times that of one digit.
① 100
②900
③ 1 1 1
④ 10 1
4. If the quotient of 5□4÷5 is 0, □ can be filled in ().
①6
②5
③3
④4
Verb (abbreviation for verb) is not a type calculation
588÷6×5
(673+257)÷3
392+483÷7
1076-78×6
Sixth, find the unknown X.
602+X= 1040
420-X= 139
X- 154=368
X+346=502
Seven, use a simple method to calculate the following problems.
465- 198
382+296
7 16-(348+2 16)
643- 148-52
458-265-58
236+379+64
Eight, application questions
1. A basket can hold 9 kilograms of fruit. Now there are 153 kilograms of pears and 225 kilograms of apples. How many baskets are there fewer pears than apples?
_____________________________________
2. The road repair team needs to repair roads. At present, 1200m has been repaired, and the remaining 6 days will be completed, with an average of 250m a day. What is the total length of this road?
_____________________________________
There are 63 cars in the parking lot. There are 54 buses in it, and the rest are cars. How many cars are there in a cart?
_____________________________________
4. The library has 140 story books, and the number of science and technology books is six times that of story books. How many story books are less than science books?
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There are 324 kilograms of rice in the canteen. It was planned to eat it in 7 days, but it actually took 2 days more than originally planned. How many kilograms do you actually eat every day?
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