A math homework problem for primary school students in grade one and grade three.
First, fill in the blanks. 1, moving clockwise from the previous number to the next number, is ().
2. The time unit of study is () (). When measuring for a short time, the unit with a small fraction () is often used.
3. Walking a big grid is () an hour hand, () a minute hand, () a second hand, and () a circle.
4. 1 = () min 1 min = () sec 120 sec = () min.
180 points = () 5 points = () 4 seconds = () points.
2: 20 = () 75 = () ().
3 minutes 13 seconds = () seconds 100 seconds = () minutes () seconds.
5. Fill in the appropriate time unit. (hours, minutes, seconds)
(1) One lesson is 40 ().
(2) The time for Li Jing to run 50 meters is 12 ().
(3) Dad works 8 hours a day.
(4) It takes about 30 () for Xiao Ming to jump 50 times.
6. The PE teacher conducted a 50-meter running test for the first group of students, and the results were as follows: Xiaohong 9 seconds, Xiaoming 8 seconds, Xiaoli 1 1 second, Xiaojun 10 second. () runs the fastest and () runs the slowest.
7, 6 minutes, 60 seconds, 160 minutes, 3: 04 minutes, 200 seconds, 3: 00, 300 minutes
250: 05: 60: 60: 10: 600: 120: 02
Second, the judgment question. Choose the serial number of the correct answer and fill in the brackets.
1. The second hand moves one square, and the minute hand moves one square. ()
The train departs from Nanjing at 1: 05 pm and arrives in Shanghai at 3: 50 pm that day. The train traveled for 2 hours and 45 minutes. ()
3. The hour hand is between 4 and 5 and the minute hand points to 10. It's half past five. ()
Dongdong used 140 points in the 100-meter race. ()。
Ming Ming leaves home at 7: 0015 every morning and arrives at school at 7: 35. It will take her 20 minutes on the road. ()。
Third, multiple choice questions.
1, a movie will be shown soon ().
①500 seconds ②8: 00 ③ 100 minute
2. 1 min, 20 characters, how long does it take Xiaoli to write 4 characters? The column type is ().
① 1×4②4× 1③20÷4
3. From 9: 00 to 1 1: 30, () passed.
①3: 30, ②2: 30, ③ 1: 30.
The news broadcast starts at 7 pm and lasts for 30 minutes. () It's over.
①7:30②6:30③8:30
5. The school has the first class at 8: 25 in the morning, with 40 points for this class and 10 points for the break, () the second class.
①9:05②8:75③9: 15
Fourth, solve the problem.
1. The train leaves at 9: 20. It takes Li Hua 35 minutes from home to the railway station. At least when should Li Hua leave home to catch the train?
Li Ming has been watching cartoons from 4: 40pm to 5: 00pm10. How long has she been watching cartoons?
The train from Zhanjiang to Nanning passed Yulin at noon 1 1: 40, and now it will be 25 minutes late. What time does it arrive?
4, a 24-meter-long wooden stick, every 4 meters according to a section, according to a section of 4 points. How long will it take to finish this stick?
5. Xiao Fang takes the stairs, from the first floor to the second floor for 9 seconds. If there are the same number of stairs between each floor, how long will it take her to reach the seventh floor at the same speed?
Math homework for students in grade two or grade three
First, calculation. 1, write directly.
17×40= 30×60= 30+90= 180÷5= 840÷7=
40×23= 27×30= 72÷3= 56-8= 12× 12=
800÷5= 52÷4= 125×8= 65×65= 280-80÷4=
2. Calculate the following problems (parting calculation)
560-420÷7 26+35×47 82-(258+342)
40÷4×2 (524-475)÷7 15×(29+ 1 1)
Fill in the blanks.
1. Fill in ">"
(5+4)×40○5+4×40 540-360÷6○(540-360)÷6
150+36-20○ 150+(36-20) 72×(62-38)○72×62-38
9000 grams, 9 tons, 65× 63× 64× 64 54× 67× 68× 54
2. Fill in the appropriate company name in ().
Nanjing Yangtze River Bridge is about 7000 () long.
A piece of chalk is 1 () long.
A shark weighs 5 ().
The load capacity of this elevator is 3000 ().
3. Two barrels of edible oil weigh 50 kg, 20 barrels of oil weigh () kg, and () barrels of oil weigh 1 ton.
4. There are () months with 3 1 day, which is called () months; There are () months in 30 days, which is called () months.
5、(□+200)÷2=400 120-□×5=80
360-63-37=360-(□○□) 720÷(8×6)=720÷□○□
6. There are () quarters every year, and each quarter has () months. The number of days in () and () quarters must be the same.
7.20 18 year is () year, with () days and * * * with () week zero () days.
8. When Dongdong calculated (120-□) × 5, the operation sequence was wrong and he got 20. The correct answer to this question is.
9. 2 years and 2 months = () months and 3 days = () hours and 2 1 day = () weeks.
10, China * * * production party was founded in July of 192 1 year, and July () is the 90th anniversary of China * * * production party.
Third, the judge.
1, Xiaoli's birthday is February 30th. ()
2. 1640 has 366 days. ()
3. A book has 320 pages. After reading it for five days, Xiao Fang has 100 pages left. How many pages does Xiao Fang read on average every day? The comprehensive formula is 320-65,438+000 ÷ 5. ()
4、25×(4÷4)=25×4×4。 ()
5. In the formula without brackets, there are both multiplication and division, so calculate multiplication first and then division. ()
Fourth, multiple choice questions
1， 13: 30 pm()
a，3: 03 b，3: 45 c， 1: 45。
The correct result of 2.800-800×0 is ().
a、0 B、 1 C、800
3. Li Shifu can process 12 boxes of parts within 3 hours. According to this calculation, how many hours will it take to process 360 boxes of parts? The wrong column is ().
a、360 \u( 12 \u 3)B、360 \u 12 \u 3 C、360 \u 12×3
4, 200÷4-2 and 200÷(4-2), ().
A is as big as B, 200÷4-2 big C and 200÷(4-2) big.
5. Xiaoyu's birthday is the 9th day of the month in which International Labor Day is held, and her birthday is ().
Math homework problems for pupils in grade three and grade three
First, oral calculation. 40×5= 720÷8= 8×50= 88÷4=
120÷3= 6×90= 6300÷7= 9×700=
84÷2= 150÷3= 270÷9= 93÷3=
7×600= 14×6= 12×8= 180÷2=
400÷2= 48÷4= 99÷9= 15×5=
Fill in the blanks.
1 and 39÷3 are pronounced as (), and the quotient is ().
2. 16×5 is pronounced as () and the product is ().
3 and 80 have () ten, 900 has () hundred.
There are () thousand in 45000, which is also () hundred.
Multiply 5,4 by 70 and subtract 28 to get ().
6. Three 40 s add up to (), 60 is () times of 2, and 60 is () times.
7. Because 4×9=36, 40×9= ().
8. When calculating 16×7, you can think like this: 10×7= (), 6×7= (), ()+() = ().
9. When calculating 36÷3, you can think like this: 30÷3= (), 6÷3= (), ()+() = ().
10, Xiaohua reads 60 pages in three days, so she reads () pages every day. According to this calculation, he read () pages in nine days.
Third, off-type calculation.
14×4+298 400- 18×32 500÷5- 170
80+84÷2 1 6×6-36 100-93÷3
Fourth, column calculation.
What is the sum of 1 and three 900 s?
2. How much is 28 that is three times more than 35?
3. What are the weights of Xiao Ming's grandfather and father?
4.( 1) How many pages are left?
(2) The rest of the books should be read within 4 days. How many pages do you read on average every day?
Xiaoming and Xiaohua have a typing contest. Xiaoming typed 200 words in 4 minutes and Xiaohua typed 300 words in 5 minutes. Who can type fast?