1. Look at the chart.
2. ◇ △ = 2 ... 3, and the minimum δ is (), then ◇ is ().
3. Eight ones and three thousand are (). Eight hundred and five tens add up to ().
4. The four-digit number consisting of 3, 4, 0 and 6 is (), the smallest number is (), and the closest number to 4000 is ().
5. The smallest four digits are (), and the previous digit is ().
6. Write this number: ().
7. Write three numbers according to the law of numbers.
330、320、3 10、( )、( )、( )。
5080、5090、( )、( )、( )。
9 19、828、737、( )、( )、( )。
8. Please fill in the appropriate unit in "()".
Xiaohua ran 100 meters, and Xiaohong spent about 15 () eating.
Summer nap is probably 1 (). An eraser is about 15 () thick.
The height of the desk is about 7 (). Xiaoming's height 130 ().
9. put ">" in ○. , "<, or" = ".
5 mm 03 cm 40 mm 04 m 60 min 06 hours
10. Arrange the following figures in descending order.
998 10 10 100 1 1 100
1 1. A computer 50 18 yuan, about () yuan.
Second, the calculation (***24 points)
1. Write the number directly. (10)
500+2= 66+28= 80-26= 1000-400=
39+53= 800+900= 1600-900= 6030-30=
30+400= 65-23= 48÷6= 9 1-34=
56÷8= 36+24= 55+37= 800+7000=
60+70= 83-54= 670-600= 56-32=
2. Use vertical calculation. (additional examination) (14 points)
657+468= 672-254= 17÷2=
48÷5= 386+53 1-429= 727-529+267=
Third, choose the serial number of the correct answer. (10)
1.247; 8 = □…… △, △ must not be ()
① 6 ② 7 ③ 8
2. Put three digits with five, zero and six cards, and you can put () different three digits.
①2 ②4 ③6
3. 8 yuan is short of () yuan for seven balls with 50 yuan money.
①5 yuan ②6 yuan ③7 yuan
4. A truck has to transport 37 cases of goods, 8 cases at a time, and it takes at least () to transport them all.
①4 times, ②5 times, ③6 times.
There are 206 white rabbits on the farm. There are much more grey rabbits than white rabbits, and there are about () grey rabbits.
① 550 animals ②2 10 animals ③ 190 animals.
6. To nail a school bag on the wall, a nail with a length of () is more suitable.
①4 mm ② 4 cm ③4 decimeter
7. The second hand on the clock turns from one number to the next, and the elapsed time is ().
① 1 sec 25 sec ③ 1 min.
8.68□5 & gt； The minimum value in 684 1, □ is ().
① 1 ② 4 ③ 5
9. Xiao Fang's home is in the southwest of the school, and the school is next to Xiao Fang's home.
① Southeast ② Northwest ③ Northeast
10. You can find () right angles in the picture.
① 2 ② 4 ③ 3
Fourth, the operation questions. (*** 14)
1. Draw a line segment with a length of 35mm.
2. Write down the time indicated on the clock face, then look at the angle formed by the hour hand and the minute hand, and fill in ().
: : : :
() Angle () Angle () Angle () Angle.
3. recognize the direction.
The electronic cinema is on the side of the school.
On the () side of the bus stop.
Daguan Bridge is on the () side of the cinema, and the () side of the bank is the school.
Fifth, solve the problem. ((**26 points. Where 1-5 has 4 points for each question and 6 points for the sixth question)
1. How many pencils can light light blue buy with 5 yuan money?
6 jiao
2. Xiaoli and Xiaoyu each folded 30 pieces and gave them to Xiaoying 15. How much is left?
There are 28 boys and 22 girls in Class One, Grade Two. Fangfang recorded the number of people who signed up for the school sports meeting in this class. The results are as follows. How many people didn't sign up?
Uncle Wang picked 354 watermelons in the morning and sold them 178. He picked 27 watermelons in the afternoon. How many watermelons are there now?
5. Build an 800-meter-long road, 205 meters on the first day and 96 meters on the second day. How many meters do you need to finish?
6.
How much is a pair of trousers? How much is a pair of shoes?
(3) Is 1000 yuan enough for Dad to buy these three?
Answers to Math Summer Homework in Volume Two of Senior Two.
1. Fill in the blanks (***26 points, 1 2 points, 7 questions 3 points, the rest 1 point)
1, 13÷3=4 (block) ... 1 (block) 13÷4=3 (disk) ... 1 (block)
2、4、 1 1
3、3008、850
4、6430、3046、4036
5、 1000、999
6、9006
7、300、290、280; 5 100、5 1 10、5 120; 646、555、464
8, seconds, minutes, hours, millimeters, decimeters, centimeters
9 、& lt、=、& lt
10、 1 100 > 10 10 & gt； 100 1 & gt； 998
1 1、5000
Second, the calculation (***24 points)
1, a number written directly. (0.5 point for each question, *** 10 point)
502、90、54、600、92、 1700、700、6000、430、42、8、57、7、60、92、7800、
130、29、70、24
2. Vertical calculation (3 points for the first two questions and 2 points for each of the last four questions)
1 125、 4 18、 8…… 1、 9……3、 488、 465
Third, choose the serial number of the correct answer (each question 1 point, * * *1point)
1、③ 2、② 3、② 4、② 5、① 6、② 7、② 8、② 9 ③ 10、③
Four, the operation problem (1 2 points, the rest of the empty 1 point)
1, omitted
2. 1: 15 acute angle 2:55 obtuse angle 9:00 right angle 1 1:05 acute angle
3. West, Southwest, Southeast and Northwest
Verbs (short for verb) solve problems.
1, 50÷6=8 (pieces) ... 2 (horns) can buy up to 8 pieces.
2,30+30-15 = 45 (piece)
3.(24) Applicants 28+22-24=26.
4,354-178+27 = 203 (person)
5,800-205-96 = 499 (m) or 205+96=30 1 (m)
6, ① 509-267=242 (yuan)
② 242+59=30 1 (yuan)
③ 509+242+301=1052 (yuan) 1000.