The second semester of 2009-20 10 school year
Writing of class name and seat number
First, oral calculation. (8 points in total)
70×2= 140 6×300= 1800 200×8= 1600 850-660= 190
80+240=320 7×90=630 57 - 27 =
23×7= 16 1
860-300=560 2700÷9=300 20×40=800 400×8=3200
4200÷6=700 202÷2= 10 1 256-97= 159 7×70+6=496
62+36=98 28+35=63 5 1- 1 1=40 1800÷2=900
40×5=200 42×3=6 12 440×2=880 78 - 48 =
300÷5=60 4000÷4= 100 870-530=340 470+65=535
13×4=52 168+27= 195 4×500=2000 0+58=58
990÷3=330 257- 135= 122 12 + 12 =
206×5= 1030
50×3= 150 302+56=358 22×6= 132 40×9=360
25×4= 100 8 10÷9=90 0×8+55= 690÷3=230
90×5- 130=320 130×6=780 48÷4= 12 1- 34 + 14 =
25+82= 107 240÷3=80 35+55=90 8×300=2400
35×3= 105 240+ 109=349 39 + 29 =
2000÷5=400
400÷5=80 4900÷7=700 260-80= 180 (86+34)÷6=20
68-9=59 8 1-67= 14 25+ 1 16= 14 1 70×3+39=249
300×3=900 5500÷5= 1 100 6 1-22=39 1 - 23 =
1600÷8=200 200×6= 1200 16 + 56 =
2 1+300=32 1
9×0=0 15 + 25 =
79+2×0= 28 + 18 + 38 =
56+ 163=2 19 1 - 12 =
505÷5= 10 1 200+7×6=242
Fill in the blanks: (18)
1. When facing the sun in the morning, the back is (west), the left is (north), and the right is (south).
2. Facing the North Star at night, the back is (), the left is (), and the right is ().
3. Maps are usually drawn from top (north), bottom (south), left (west) and right (east).
4、
5. Use your favorite method to estimate:
562÷7≈80 89÷3≈30 190÷5≈40 723÷9≈80
The quotient of 6.282÷6 is (2) digits, and that of 955÷5 is (3) digits.
7. 8 yuan 176 yuan, you can buy (22) books with the money for a telephone. .
8. Miss Li Can typed 4 16 words in 4 minutes, while he typed (14) words per minute on average.
9. A week is 7 days, a year (calculated by 365 days) is (52) weeks, and the remaining (1) days.
Three. Choice: (5 points)
1, in the formula () ÷ 3 = 69...2, the dividend is (b).
a、75 B、209 C、 14 1
2、
A, rabbit b, elephant c, lion d, bear
IV. Calculation: 1, vertical calculation. (24 points)
679+435 8 13-369 352÷3 563÷8
697 8 13
+435 - 369 1 132 444 1 1
2 15×8 365×9 428÷4 720÷3
2 15 365
×8 × 9
1720 2985
2. Recursive equation calculation: (12 points)
603- 105÷5 (842-356)×7 503+ 198÷2 8×(755÷5)
=603-2 1 =486×7 =503+99 =8× 15 1
=582 =3402 = 602 = 1208
3. Column calculation: (4 points)
What is the quotient of (1)8 15 divided by 4? What is the remainder?
8 15÷4=25……3
(2) When a number is divided by 6, the quotient is 1 15, and the remainder is 4. What's this number?
1 15×6+4=694
Verb (abbreviation of verb) Actual operation: (9 points)
1. "Entering the gate of the Science and Technology Museum, there is a computer room in the north and a meteorological hall in the south, an environmental protection room in the northeast, a planetarium in the northwest, a biology museum in the southeast and a model airplane museum in the southwest." Please fill in the serial numbers of the museum names in the appropriate places according to Xiao Liang's description.
③ Planetarium ② Computer room ① Environmental protection room
④ Model airplane museum ⑤ Meteorological museum ⑤ Biology museum.
① Environmental protection room ② Machine room ③ Planetarium ④ Model airplane museum ⑤ Meteorological museum ⑤ Biology museum.
2. Color as required.
Six, solve the problem: (20 points)
Please tell me how to get to the post office in Nana Ogawa.
2. Tell me the route of the No.3 bus. (5 points)
Bus station square water conservancy bureau
Children's Palace Cinema Experimental Primary School
(1) Draw the route from the bus station to the experimental primary school with red lines:
(2) The route from the experimental primary school to the bus station has a blue line:
3、
How many balls does Aunt Wang sell on average every day? (6 points)
20×6= 120 yuan
120÷3=40
Unit 2 examination paper of grade three
1. and in ○, "<" or "=".
( 1) 150÷3○5 1 (2)300÷5○ 100-20 (3) 18 1÷2○90
(4) 190÷6○200÷6 (5)60÷2○30 (6)3 12÷7○350÷9
Second, find friends.
605÷5 62 5 14÷2 30
159÷3 12 1 240÷8 257
372÷6 53 176÷4 44
Third, correct the wrong questions.
Fourth, choose.
1.2000 divided by 5 has (b) zeros at the end.
A. 1 B.2 C.3
2. There are 95 flowers in the flower shop, and every 6 flowers are tied into a bunch, and at most they can be tied into a bunch (C).
15
3. A bag of 50 kilograms of rice, the grain store delivers a total of 140 bags, with a maximum of 6 bags at a time and at least (c) times.
23 C.24
The quotient of three digits divided by two is still three digits, so the hundred digits of the dividend can't be (a and c).
A. 1 B.2 C.3
5. The sum of four is 128.
A. 124
5. Fill in the blanks.
There are (5) hundreds in 1.500, which can also be regarded as (50) tens and (500) ones.
2. Dividend = (divisor) × (difference)+(remainder)
The quotient of 3.504 divided by 4 (126).
4. 12 is divided by a number, and the rest must be less than (this number).
Divide (any number) by 5.0 to get 0.
Sixth, the application problem.
1. A wire is 300 meters long. How many threads can you cut every 8 meters?
300÷8=35
Answer: It can be cut into 35 pieces at most.
2. There are 8 classes in grade three in bright primary school, and each class has 8 study groups. Now there are 640 extra-curricular books to be distributed to study groups. How many books can each group get on average?
640(8×8)= 10 copies
Answer: Each group can get 10 on average.
A 500-meter-long road, the road team has repaired 380 meters, and the rest will take 5 days to repair. How many meters should I repair at least every day?
(500-380) ÷ 5 = 24m
Answer: At least 24 meters should be repaired every day.
4. The fruit shop brought five baskets of apples, sold 150kg, and there was 60kg left. What is the average weight of each basket of apples?
(150+60) ÷ 5 = 42kg
On average, each basket of apples weighs 42 kilograms.
5. The school brigade organizes students to do good deeds for the families of martyrs and families in need. Boys 165, girls 83. Every eight people form an activity group. How many groups can be organized?
(165+83) 8 = 3 1 group
Answer: It can be organized into 3 1 groups.
Explore the intensive training of expanding ability and the cultivation of comprehensive application ability
1. (Scene) A barrel of salad oil weighs 5050g. After half a year's use, there is 2550g left in the bucket. How many grams of oil is there? How many grams does this bucket weigh?
5050-2550× 2 = 5000g
5050-5000 = 50g
Answer: there are 5000 grams of oil, and the barrel weighs 50 grams.
2. Fill in the blanks.
3. (Game Title) Win the Red Flag.
Answer:
The second unit unit test
Targeted training of basic knowledge of teaching materials and consolidation and improvement of basic ability
I. (1)
Second,
Third,
Four. 1.b2.a3.c4.a5.c
Verb (abbreviation of verb) L.5
2. The remainder of quotient × divided by ten
3. 126 4. The divider is still the number 5. Any number other than 0.
6. 1.300 ÷ 8 = 37 (root) ... 4 (meter)
2.640 ÷ 8 = 80 (Ben) 80 18 =10 (Ben)
3.500-380 = 120 (m) 120 ÷ 5 = 24 (m)
(150160)15 = 42 (kg) or 150÷5 160 ÷ 5 = 42 (kg)
5. 165+83 = 248 (person) 248÷8=3 1 (person)
Explore the intensive training of expanding ability and the cultivation of comprehensive application ability
1.5050—2550 = 2500 (g)
2500× 2 = 5000 (gram)
5050-5000 = 50 (grams) Originally there were 5000 grams of oil, and each barrel weighed 50 grams.
2.
3. Left: 106 37 24 42 54 Right: 39 75 68 27
The third grade elementary school mathematics unit 2 oral calculation volume
The second semester of 2009-20 10 school year
Class name seat number
127+38 = 165 8.8÷0.2 = 44 568-278 = 290 58x 8× 1 = 464
1÷7+2 = 9 1- 1× 18 = 18 30X 12 = 360 1.02-0.43 = 0.59
70-5×9= 25 7×7+8= 57 54÷6+33= 42 3×8÷4= 6 7×6+ 10= 23 8×9+2 1= 93 27÷3+6= 15 56÷7-3= 5 1×2+20= 22 5×9+ 1 =46 54+27=8 1 6+73=79 18+6=24 30+29=59 0×3=0 4×7=28 5×3= 15 49-9=40 39-39=0 9×3-7= 20 53-3+9=59 8×8=64 66+35= 10 1 70-8=62 6×7=42 9×9= 8 1 3×6= 18 2×6= 12 8 ×3+4=28 36+4= 40 8×7= 56 2×2=4 9+57=66 3×4+9=2 1 5×6=30 1 8+60=78 9×3= 27 5×5=25 38- 18+25=45 6× 5+20=50 4 1-2=39 6×9= 54 8×5= 40 7×2= 14 7×5-3=32
1 15-45÷9= 102 82- 16= 66 420-60=360 5400÷9=600 46-30= 16
Elementary school third grade mathematics unit 2 examination questions
The second semester of 2009-20 10 school year
Class: Name: Seat Number: Writing:
First, oral calculation. (8 points, a separate book)
Fill in the blanks. 19 (4+2+6+2+2+3)
A year has (12) months, 20 1 10 has (28) days in February and (93) days in the third quarter.
2. There are (24) hours in a day, and the clockwise goes exactly (2) times a day.
3. fill in ">", "
30×3 ○> 20×3 1 kg ○ > 900g 600kg ○ < 6t
600÷9○>360÷6 800+2○