Unit 4 examination questions of the third grade mathematics next semester

Unit test 1

First, write the number directly.

18×5= 16- 15÷3= (4+6)×3=

540-360= 17+ 13×2= 18-9× 1=

30×23= 84×0+27= (85-85)×26=

590+ 100= 24÷6×3= 100-25×4=

Fill in the blanks.

The operation sequence of1.486-320 ÷16×15 is; Calculate method () first, then method (), and finally method ().

2. There are two formulas: 225 ÷ 5 = 45, 78-45 = 33. Combine them into a comprehensive formula: ()

3. After reading a book, I read 135 pages in 9 days, with an average of () pages a day. According to this calculation, I can read () page in 12 days. If a book has 300 pages, I must finish reading it within () days.

4. Workers' uncles build a road, and it takes 12 meters every day, 10 days to finish it. The total length of this highway is () meters. If you walk 15 meters every day, it will take () days to walk. If it takes 6 days to finish, it should be () meters per day on average.

5. There are 7 boxes of pens in the store, each box is 10, and each pen is sold in 3 yuan. So what?

3× 10 is ();

10×7 seeks()；

3× 10×7 seeks()；

3×( 10×7) finds ().

6. Two trucks on the construction site carry cement, each with 80 bags, and one truck carries 8000 kg of cement. Write the corresponding formula according to the following questions:

(1) How many packages did two cars * * * send? Column type: ();

(2) How many kilograms does each car carry? Column type: ();

(3) What is the weight of each bag of cement? Column type: ();

You can also use this formula: ().

Multiple choice questions (write the correct serial number in brackets).

The number of 1.84+(96÷ 12× 3) is ().

① 276 ② 108 ③45

2. Find the difference between 75 divided by 975 and 150, and the formula for the quotient is ().

①975÷75- 150②(975- 150)÷75

③975÷75- 150÷75 ④75÷(975- 150)

Divide the sum of 3.30 and 25 by their product to find the business value ().

①(30+25)÷30×25 ②30×25+(30+25)

③30×25÷30+25 ④(30+25)÷(30×25)

A village needs to build a canal 780 meters long, and 240 meters was built in the first four days. According to this calculation, how many days will it take to complete the canal? The correct formula is ().

①780÷4 ②780+(240÷4)

③ 780×(240÷4) ④(780-240)+(240+4)

5. The Little Red Flower Art Troupe has 180 students, which is five times that of the calligraphy group. There are four groups in the calligraphy group. How many people are there in each group on average? The correct answer is ().

①45 people, ②9 people, ③36 people, ④225 people.

Fourth, recursive equation calculation.

165+ 150÷5×4 (73+65)×(75-28)

432÷ 18× 12- 127 152-738÷( 108÷6)

5. Formula calculation.

What is the quotient of the sum of 1.370 and 174 divided by 17?

103 and 87 differ by 2.23 times. What is the product?

Sixth, the application problem.

1. There are 3 boxes of shirts in the store, each box 12 pieces. A * * sold 1260 yuan. How much is each shirt? (two solutions)

This clothing factory made 4800 sets of students' clothes in 20 days. According to this calculation, how many sets can be made in 28 days? How many days does it take to make 8400 sets of student uniforms?

The construction team paved an asphalt road, which is planned to be paved 90 meters a day and completed in 20 days. Actually, it was laid on 18 days. How many meters a day? How many meters more than planned are paved every day?

Reference answer

I. 901130180 43 9 690 27 0 690120

2. 1. Divide, multiply and subtract 2. 78-225÷ 5 = 333. 15, 180,204. 120,8,20.

5./kloc-how much is 0/0 (per box), 7 boxes of * * *, how many in total?

How much is a * * for 7 boxes of pens and a * * for 7 boxes of pens?

6.( 1) 80× 2 = 160 (bag), (2) 8000 ÷ 2 = 4000 (kg), (3) 8000 ÷ 2 ÷ 80 = 50 (kg).

Three. 1.22.23.24.25.②

Four. 285,6486, 16 1, 1 1 1

Verb (abbreviation of verb) 1.32 2.368

Six, 1.35 yuan 2.6720 sets, 35 days 3. 100 meters, 10 meters.

Unit test 2

1. Numbers written directly. (L9 points)

30+6×6= (387-387)+0= 16- 16÷8=

7+5+5-7= 9+8-9+8= 25+4+70=

( 1 1 1+ 189)×3= 4×3÷4×3= 125×8÷ 100=

396×25×0= (l+7)×(l6-6)= 8l×4÷4=

33÷ 1 1+4×9= 187+29-29= 587+496=

26+26÷26= 1537÷ 1537=

32÷(32÷ 16)= 300-(300-222)=

2. Add appropriate questions after each of the following conditions. (8 points)

(1) There are 37 students in Class One and 42 students in Class Two. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _?

(2) A car travels 320 kilometers in 4 hours, _ _ _ _ _ _ _ _ _ _ _ _ _?

(3) Xiaoli took money from 20 yuan and bought 1 kg apples from 4 yuan, _ _ _ _ _ _ _ _ _ _ _ _?

(4) Xiaoguang produces 7 parts per hour, and he works 8 hours a day. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _?

3. Add the conditions needed to solve this problem under each problem. (8 points)

(1) How many machines do Group A and Group B produce?

_________________________

How many kilometers has this car traveled?

_________________________

(3) How many TV sets are actually produced than originally planned?

_________________________

(4) How many hours will it take to produce these parts?

_________________________

4. List the following formulas as comprehensive formulas. (6 points)

( 1) 1 19÷ 17=7 (2)430-220=2 10

9 1÷7= 13 2 10÷30=7

5. Calculate the following questions. (18)

75÷ 15+20×5 ( 150-75)×(25-20)

(3390- 16×95)÷ 17 687+(99-67)×0- 13

1000+( 10000-9888)÷6 900560+20×90

6. Formula calculation. (8 points)

What is the quotient of the sum of (1)486 and 1 14 divided by the difference between 2789 and 2783?

(2) What's the difference between 305 minus 15 times 18?

7. Application questions. (5 points for the first 5 questions, 8 points for the sixth question)

(1) Company A and Company B went to plant trees. A * * Company planted 2 10 trees, and Company B has 25 people, with an average of 6 trees per person. How many trees did Company A and Company B plant?

(2) There are 35 students in Class One and 45 students in Class Two. Each of the two classes bought an average of 8 exercise books. * * * How much did you buy?

(3) The cost of buying four books is 12 yuan, and the same book is 120. How much does it cost to buy a * * *?

(4) A car travels 270 kilometers in 3 hours. According to this calculation, how many hours does it take to drive 540 kilometers?

(5) A motorcade uses eight vehicles to transport 4,800 bags of cement in three times. How many bags of cement are transported per vehicle on average?

(6) The sports team bought four boxes of sportswear, each box 10 sets, which cost 6000 yuan. How much is each sportswear? (Answer in two ways)

Reference answer

1.66,0, 14, 10, 16,99,900,9, 10,0,80,8 1,39, 187, 1083,26, 1, 16,222

2.( 1) How many people are there in Class Two?

(2) How many kilometers per hour?

How many kilograms can I buy?

(4) How many parts are produced a day?

3. (1) Number of production machines in group A.

Number of production machines in group b