1. Fill in the blanks (65438+ 0 for each blank, *** 15)
1. There are () days in February in a normal year and () days in a leap year.
2. October has () weeks and () days.
There are () days in January, February and March in normal years.
4. Extracurricular group activities begin at 16 hours and end at 1 hour for 20 minutes, and the time for the activities to end is () hours () minutes.
Xiaoming goes to school at 8: 30 every day and comes home from school at 1 1: 50. His time at school in the morning is ().
6. The business hours of a store are 8: 00- 19: 00 all day. 19: 00 here means () pm, and the store is open all day () hours.
7. What can I fill in the following ()?
194×()& lt； 1224 24 1×()& lt； 2300 254×()& lt； 1400
8. Multiply two numbers. If both factors are expanded by 10 times, the product is expanded by () times.
9, 3057000 is written as (), and the mantissa after omitting ten thousand is () ten thousand.
10. Omit the mantissa of the following figures as required, and write down their approximate numbers.
The divisor of 5389 1 written by the mantissa after omitting thousands is (); Omitting the mantissa after ten thousand, write that the divisor of 347 168 is ().
The quotient of 1 1 and 3560÷20 is () digits.
Second, write directly the number of the following questions.
520+480 = 670-500 = 650,000+470,000 =
500 -240= 437+ 163= 820- 560=
34 ×200= 25× 300= 3600÷ 300=
8400÷ 600= 1900+ 5400= 2300- 800=
27×4×5= 35×5×2= 25×24=
360÷8÷5=
Third, calculate the following questions vertically.
850 1+53799+2240= 1800×630= 86509-4736=
296×304= 28300÷4 1= 65 100÷2 10=
648×350= 8450÷32=
Fourth, off-type calculation.
( 1)2970÷(250 × 12- 299 1) (2) 15× 142 1÷(573 -566)
(3)64×(720+ 650÷ 130) (4) 1 18+ 153÷ 17×9
5. Column calculation.
What is the difference between the product of (1) 14 and 72 and the quotient obtained by dividing 900 by 3?
(2) What is the quotient of the sum of 78 and 82 divided by the difference between 585 and 265?
(3) The number A is 34507, which is less than the number B 10895. What is the number B?
(4) What is the sum of 86 plus 590 and 900 minus 75 times?
(5) What is the sum of the quotient of 5292 divided by 36 multiplied by the difference between 1370 and 1080?
Six, use the rounding method to find the divisor.
(1) The following figures are probably hundreds.
584 678 325 832 794 109
(2) The following figures are in the thousands.
(3) Omit the mantissa after the highest bit and find the divisor.
28 206 780 1032 550 1 980
Seven, judge the following questions.
(1) Total price multiplied by unit price in quantity () (2) 5 divided by 0 equals 0 ().
(4) One factor is expanded by 10 times, and the other factor is also expanded by 10 times, and its product is also expanded by 0 times.
(5) When two numbers are divided, the dividend remains unchanged, and the divisor is reduced by 10 times, and the quotient remains unchanged ().
(6) The number divided by each time must be less than the divisor ().
Eight, application questions.
(1) I hope that the primary school will build a 200-meter runway. Has been built160m. How many times have you repaired it?
(2) A road team built 384 meters of roads in 6 hours. According to this calculation, if it is repaired for another 8 hours, how many meters will it take to build the road?
(3) The school bought five basketballs and five volleyballs, the basketball cost 245 yuan, and the volleyball 1 15 yuan. How much is basketball more expensive than volleyball?
(4) Two teams of road builders jointly build roads, which can be completed in four days. Team a repairs 60 meters every day, and team b repairs it for three days 150 meters. How long is this road?
(5) Our school does morning exercises at 8: 00 and finishes school at 1 1: 50, and starts classes at 15: 00 in the afternoon and finishes school at 17: 30. How many hours is the class time on this day?
(6) Orchard workers prune fruit trees, and each person can prune eight trees every day. According to this calculation, how many trees can seven people prune in three days?
(7) The maximum daily temperatures measured by the meteorological team are 30, 365, 438+0, 33, 32, 29, 32 and 30 degrees Celsius respectively. What is the average maximum temperature this week?
The third grade mathematics examination paper Volume 1: fhylzxxx. /article/showarticle.asp？ ArticleID= 1400
jxgj。 /xxxx/2007/7 10。
zjxjxs。 /stjj/stsannj/20080 1/6296。
Elementary school students' third grade math test papers and answers don't look at the answers! I believe you can do it!
Just rely on some in-class basis!
Knowing the calculations in the book, or what to write and do, is always the most basic!
Understand everything you don't understand, just remember the solution to the problem!
Wish you success!
A bus leaves at 10 in the morning and arrives at its destination at 1 in the afternoon, with a journey of 96 kilometers. How many kilometers does the car travel per hour on average?
First, the calculation problem. (37 points)
1, write directly. (7 points)
1.2+0.8= 4- 1.5= 5.6-0.8= 15×4=
2.7-0.7= 2.3- 1.8= 9+3.3= 18×3=
0.9+0.3= 7+2.7= 10-6.2= 12×7=
120×30= 600×50=
2. estimate. (8 points)
480×4≈ 205×38≈ 5 16×56≈ 89×403≈
8×3 1 1≈ 1 18×47≈ 50×302≈ 387×72≈
3. Use vertical calculation. (12)
256×34= 25×342= 409×58=
480×57= 72× 190= 3500×24=
4. Off-mold calculation. (10)
2000-45×24+996 1 160+(76+60)×30 680÷2×( 1289-756)
(85+79)×( 133-73) 732-( 174×25-3960)
Second, fill in the blanks. (17)
1,100000 is (),100000 is (), one million is () 100000, and one hundred million is () 10 million.
The number "5" of 2.630590000 is in the position of (), which means (). The highest position is (), which means (). The number rewritten as "ten thousand" is (), and the precision to "hundred million" bits is ().
3. The number consisting of four tens of millions, five hundred thousand, three thousand and six is (), which is pronounced as ().
4, 950,703 writing (), accurate to ten thousand ().
5. The sum of the smallest six digits and the largest six digits is ().
6. There are () days in a normal year and () days in a leap year. There are () days in the first quarter of this year.
7, 2 years = () March 3rd = () 5 o'clock = () 36 months = () years.
The day before March 2004 1 was () month ().
9. Use the 24-hour timing method to indicate the following time:
8 am () noon 12 pm () 4 pm () afternoon 10 pm ()
10, Naughty attended a friend's birthday party, which started at 6: 30 pm and ended at 2 1: 20. The birthday party lasted () hours () minutes.
1 1 contains () 0. 1, and 0.08 contains () 0.0 1.
Three, omit the mantissa after "ten thousand" or "one hundred million", and find the divisor. (8 points)
2044703 843286080 9957485000 4830000000
Omit the mantissa after ten thousand digits.
The mantissa after omitting 1 100 million bits.
Fourth, compare the size of two numbers in each group. (8 points)
1.64m () 2.37m 0.9m () 70cm 9999999 () 1000000
2.35 yuan () 2.53 yuan 85 minutes () 1 yuan 53090783( )50090783.
5.3 1 m () 5 m 3 m 6 cm 8.47 yuan () 8 yuan 4.5 points.
5. Fill in the appropriate decimal places in the brackets. (8 points)
8 cents = () yuan 6 cents = () yuan 1 yuan 6 cents = () yuan.
4 decimeter = () meter 3 cm = () meter 12 decimeter = () meter.
8 cm = () decimeter = () meter
Six, the number of columns in order from small to large. (4 points)
( 1) 546300 50043600 543006 500346
(2) 12 decimeter, 100 cm, 1.5 m, 1.4 decimeter 2 m.
Seven, judgment. (5 points)
(1) 10,000 bits, 100,000 bits, 1 million bits and 10 million bits are all units of counting. ( )
(2) When reading and writing numbers, start from the highest position. ( )
(3) The number of natural numbers is infinite, and there is no maximum natural number. ( )
(4) The smallest six digits are less than the largest seven digits 1. ( )
(5) The forward speed between two counting units is 10. ( )
(6) Xiao Ming said, "I was born on February 29th, 1992." ( )
The day before Children's Day is May 30th. ( )
The 2008 Olympic Games was held in Beijing, which was a leap year. ( )
(9) Two decimal places must be greater than one decimal place. ( )
(1) 1 is greater than any decimal. ( )
Eight, with two 6, two 4 and four 0 can form an 8-digit number, write the number that meets the following requirements. (6 points)
1, read nothing: ().
2. Read only a zero: ().
3. Read two zeros: ().
4. Read three zeros: ().
5. Maximum 8 digits: ().
6. At least 8 digits: ().
Eight, solve the problem. (27 points)
1.A train departs from A in the morning 10 at a speed of 55 kilometers per hour and arrives at B at 3 pm. How many kilometers is the highway between A and B? (4 points)
On the nights of February and Friday, Xiaohu didn't go to bed until 9 pm. He thought that tomorrow was a rest day and he could get up late, so he set the alarm clock to ring at 8: 00 in the morning. If the alarm clock wakes the tiger on time, how many hours does the tiger sleep? (4 points)
3. Apples are 24.7 kilograms per box and 48.9 yuan per box; Oranges are 38.5 kilograms per box and 72.8 yuan per box. (6 points)
(1) How many kilograms is a box of oranges heavier than a box of apples?
(2) 100 yuan is enough to buy a box of apples and a box of oranges?
4. Uncle Li planted a variety of ornamental vegetables, as shown in the following table: (9 points)
Variety tomato pocket wax gourd pepper
Unit price/yuan 14 16 12
The number of pots sold is 125 148 275.
How much did you buy for each vegetable? (3 points)
(2) What is the income of a * * *? (3 points)
(3) What other math questions can you ask? (3 points)
5. The fruit shop delivers apples and pears 140 boxes, each containing 25 kg and 32 kg. How many kilograms of fruit did the fruit shop send? (4 points)
:pep../xxsx/xxsjs/xs3b/xs3 BST/200703/t 200703 19 _ 355520 . htm