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The formative self-test questions and answers in Unit 6, Book 6, Mathematics of Grade 6 in primary school.
Examination time: 40 minutes. Full score of the test paper: 100.

Fill in the blanks.

1. Chickens and rabbits live in the same cage, with 20 heads and 54 legs. There are () chickens and () rabbits.

2. No.5 Traffic Police Brigade has two-wheeled motorcycles and tricycles 12, 27 wheels, () two-wheeled motorcycles and () three-wheeled motorcycles.

3. The weight of two white balls is equal to the weight of four black balls, the weight of three black balls is equal to 1 white ball plus 1 yellow ball, and the weight of () yellow ball is equal to three white balls plus four black balls.

The area of triangle is 24 square centimeters. There are () cases about how many centimeters the base and height of this triangle are. (in centimeters)

5. If two points can be connected into a line segment, then 18 points can be connected into () line segments.

6. 99 monkeys eat 99 peaches, each big monkey eats 2 peaches, and every two little monkeys eat 1 peach. The big monkey has () and the little monkey has ().

7. Three children think that there are () different photos.

2. Judgment (mark "√" for the right and "×" for the wrong)

1, there are two roads from Xiaohua's home to the school and three roads from the school to the park, so. Xiaohua's family goes to the park through school. There are five different ways to walk. ( )

The prices of five teacups are 80 cents, 60 cents, 50 cents, 40 cents and 30 cents respectively, and the prices of three tea trays are 90 cents, 70 cents and 20 cents respectively. If a teacup is matched with a saucer, a * * can be made into 1 1 tea sets with different prices. ( )

3. Conventional sky: 1, 3, 7, 15, 3 1, (). 5 1 should be placed in brackets. ()

4. There is a batch of steel, and if it is packed in a small truck, it needs 45 cars; If it's loaded in a big truck, only 36 cars are needed. Each big truck has been loaded with 4 tons more than the small truck, and this batch of steel has 720 tons. ( )

5. The intelligence test has 65,438+00 questions. Deduct 3 points for each correct answer and 2 points for each wrong answer. Xiaohong finished 10 and got only 20 points. She answered 65,438+00 questions correctly. ( )

Third, choose

1. One large bottle can hold 4 kg of oil, and two small bottles can hold 1 kg of oil. Now it is 100 kg of oil. * * There are 60 bottles, and the big bottle has () bottles.

A, B, C, 30

2. Party A and Party B make one part, Party A makes three more parts per hour than Party B, and Party A makes three less parts in seven hours than Party B does in nine hours, and two people make one part ().

a、 12 B、 15 C、27

3. The sixth grade and the first grade *** 120 people water the tree together. One person in the sixth grade carries two buckets of water, two people in the first grade carry one bucket of water, and the second grade students carry 80 buckets of water, so the first grade students have ().

A, B, C and 80

4. Forty-six people in the class went boating and took 12 boat, including 5 people in each big boat and 3 people in each small boat. There are () big ships and () small boats.

a、3 B、5 C、7 D、9

5. Xiao Qiang took part in the math contest, with 65,438+00 questions. Every time he answers a question correctly, he will get 8 points, and every time he does a wrong question, he will get 5 points (of course, he didn't get the original 8 points). Xiao Qiang finally got 465,438+0 points. He did the right question () and the wrong question ().

a、7 B、5 C、3 D、 1

Fourth, look at the picture and answer the questions.

1, according to the law,

8. 16.( ).32.( )

3.7. 15.3 1.63.( ).255

7 28

2 2

9 63

3 4

6 48

5 ( )

2. As shown in the figure, if a bug climbs from point A to point B along a line segment, it is required that no line segment or point can be repeatedly passed. How many different ways can this beetle walk at most?

3. Fill in the blanks with appropriate figures.

Tianyuanli

L T Y

Y

( 1)

(2)

TYL·LTY

Verbs (short for verb) solve problems.

1, a box lunch contains a meat dish and a vegetarian dish. How many ways are there to side dishes? Meat dishes: meatballs, shrimps, vegetarian dishes: cabbage, tofu, wax gourd (how to list all the collocation methods by drawing)

2. One yuan bought eight stamps and four stamps *** 17. What is the difference between four stamps and eight stamps?

Basketball teams from classes A, B, C, D and E participate in the competition. Each team must play a game with other teams. How many games will you play?

Model a, b and d

Seating capacity/person 120 70 60 30

Rent per vehicle /400 240 300 200 yuan RMB.

4. In a rural primary school, three teachers, A, B and C, undertake six courses, namely Chinese, Mathematics, Morality, Physical Education, Music and Fine Arts, and each of them teaches two courses. According to the following conditions, judge which two courses they call respectively.

(1)A likes swimming with PE teachers and math teachers.

Both the music teacher and the Chinese teacher like playing football.

(3) The PE teacher is older than the Chinese teacher.

(4)B is not a PE teacher.

(5) Moral education teachers and math teachers like playing chess.

5. Guanghua Primary School organized the whole school 1 180 students to go for a spring outing, with 6 grades. Each grade is led by 8 teachers. Please design the most economical car rental scheme according to the following unit price table and calculate the car rental fee.

6. As shown in the figure, there are three scale-free barrels A, B and C with capacities of 10L, 7L and 3L respectively. Now bucket A is full of 10 liter of water. With the help of three buckets, guess, can you divide the level in bucket A into two parts? Have a try. Write the operation process in the table below and find out the method with the least number of operations.

2L 7L C area 10L B

How many times 0123455678910112?

One piece 10

B 0

C 0

Test paper answer

Fill in the blanks. (1 minute per grid, ***20 points)

1、5, 3,

2、9, 3,

3、20

4、 10

5、 17 1

6、33, 66

7、 15

Second, the judgment (2 points for each question, *** 10)

1、× 2、√ 3、× 4、√ 5、×

Three. Choice (2 points for each question, *** 10)

1、A 2、C 3、C 4、B、C 5、C

Look at the picture and answer (8 points for the first question, 9 points for the second question and 7 points for the third question)

1、24, 40, 127, 3

2.3×3=9 (species)

3 、( 1)LT,(2)YLT

Five, solve the problem (6 points per question, ***36 points)

1, 6 species

2. Assuming that all 17 stamps are 4-cent stamps, then 8-cent stamps are:

(100-17× 4) ÷ (8-4) = 8 (sheets)

Then an 8-point stamp is 17-9=8 (sheets), and the difference is 9-8= 1 (sheets).

Or suppose that 17 stamps are all 8-point Rightists, then 4-point stamps are:

(17× 8-100) ÷ (8-4) = 9 (Zhang)

Then four stamps are: 17-9=8 (sheets), and the difference is: 9-8= 1 (sheets).

3. Each team has to play four games with the other four teams, and five teams * * * play 4×5=20 (games), and half of them are double counting. For example, if Team A and Team B play a game, Party A counts it once, and then Team B and Team A play a game and count it again, then dividing by 2 is the constant of their * * * game, which is 4×.

4.a teaching Chinese and morality; B teaching math and art; Teaching physical education and music.

5. Number of spring outing in Guanghua Primary School1180+6× 8 =1228 (person).

1200 ÷120 =10 (vehicle) 1228- 1200=28 (person). The most economical car rental scheme is to rent 10 a car and b car, * *.

6. Yes, at least nine times.

How many times 0 1 2 3 4 5 6 7 8 9

A 10 3 3 6 6 9 9 2 2 5

B 0 7 4 4 1 1 0 7 5 5

C 0 0 3 0 3 0 1 1 3 0

examination paper analysis

Characteristics of test paper proposition:

1, choose realistic and vivid materials.

Adapting some materials closely related to real life into innovative test questions, causing students to find and solve practical problems. Let students realize the application of mathematics in life.

2. Create a platform for independent choice. The first network of new curriculum standards

In order to choose new background materials and change the style of the topic structure appropriately, the test questions provide students with more opportunities for independent inquiry. For example, the Fifth Avenue issue.

3. Pay attention to the content of mathematical thinking.

Some questions let students observe, analyze, summarize and discover the mathematical laws contained in them, which not only apply what they have learned, but also cultivate students' application consciousness.

This test focuses on the process derivation of mathematical knowledge. In the classroom, students learn a comprehensive and systematic knowledge system, implement various knowledge points, give full play to the role of knowledge, conduct thinking training, and let students experience the process of knowledge acquisition. It is necessary to fully reflect the thinking value of excavating mathematical knowledge deduction process and carry out systematic teaching.

Pay attention to the implementation of basic knowledge. Basic knowledge is what students, especially those with learning difficulties, must master. Teaching can't be superficial, but must be dug deep to reflect ideas.

Teaching pays more attention to learning methods and strategies. When encountering different types of exercises, let students find more suitable solutions and strategies to improve their problem-solving ability, and finally establish a problem-solving model and develop their thinking ability.

Whether it is adopted or not, please click the thumb in the lower right corner of the answer to give me 1 point. Thank you =3=