Mathematical KVN "Mr. X" (for students of grades 6-7)

Mathematical KVN
"Mr. X."
(for students in grades 6-7)

Preparation
The draw.
Prepare cards with the letters X1, X2, X3 according to the number of participants and offer to pull out the “blind” hat for each participant. In one command - all X1, in another command - X2, and in the third - X3 (teams are completed randomly).
Homework:"X-mixture."
The team chooses 1 of the Latin letters and composes a song, poem, chaptushka about it and thinks through the elements of the costume - caps, masks, collars.
As a homework, viewers can be asked to draw a portrait of a letter of the Latin alphabet, presenting it as a person, animal, plant, etc. These drawings can be used to decorate the hall.
Equipment:cards - tokens with the letter "X" for correct answers - 100 pieces, cards with letters: Z, N, M, X, S, F (for the competition "X-film"); a test and three blank cards for team answers (the team must have a pack of markers on the table to quickly enter answers), 1 sheet with answers for the jury; 3 sheets with equations for teams and 1 sheet with answers for the jury; a sheet with questions "X-chance" for the presenter.

Progress of the event

The competition part.

1. 1. "X-test"(see para. Annex 1)

Host: The slide will show questions and 4 answers to them. You need to choose the right answer and enter it into your blank card. At the end of the test, the teams hand over their cards to the jury.
In the meantime, the jury is checking your answers to the X-Mix homework, and the X1 team is showing you.

1. 1. "X-list"

Interviewer: Each team gets 10 equations to solve, and you type the answers into a sheet and pass it to the jury.
While the jury checks your answers, the X-Mix homework is shown by the X2 team.
(Variants of the equations can be selected taking into account the capabilities of the children and the material passed from the simplest to the most complex)

1. 1. "X-film"

Host: Now you get a card with a Latin letter and remember the movie or movie hero where this letter occurs (as a signature, costume element, hero name, etc.). In addition, you can offer your options.
Response options:
X is Mr. X, The Circus Princess.
Z is Zorro.
S is Superman.
F - Fantomas.
Professor Moriarty, “Notes on Sherlock Holmes.”
N - Captain Nemo.
The X3 team shows their homework assignment.

1. "X Chance"(see para. Annex 2)

Interviewer: Teams take turns answering questions. For each correct answer, you get one token, and for each incorrect answer, you give one token. At any moment you can stop and the remaining questions will be played out among other teams on speed.
After that, count the number of tokens for each team. The team that has the most tokens wins.

Contest grades.
"X-mix" - 1 token for each team after the performance.
“X-test” – 1 token for each correct answer and 1 additional token for the team that passed the answers first, for speed.
"X-list" - 1 token for each correct decision and one for speed.
"X-film" - 1 token for the guessed hero and additionally 1 token for its own versions.
"X-Chance" - 1 token for each correct answer.

{module Yandex adaptive |none}

Annex 1

1. What is the value of the letter X in mathematics?
(a) cunning;
(b) secret;
(c) unknown;
d) any.
2. What is an equation?
(a) dividing the cake into equal parts;
(b) equality with the unknown;
(c) weight scales;
(d) whatever.
3. Solving an equation means...
(a) find it in the book;
(b) find it with a neighbour;
(c) find its branches;
(d) find its roots.
4. How many unknowns are in a linear equation?
(a) 1;
(b) 2;
(c) none;
(d) the more, the better.
5. Find the root of the equation: x+2=x-3.
(a) x means any;
(b) no roots;
(c) x = 0;
d) we didn't pass that.
6. Find the root of the equation: 2(x+4) = 2x+8.
(a) x means any;
(b) no roots;
(c) x = 0;
d) we didn't pass that.
7. What number cannot be substituted instead of x in fraction with denominator
2-x?
(a) x=0;
(b) x = 2;
(c) x = 2000;
d) anything is possible.
8. What alphabet is used for unknowns in mathematics?
(a) Russian;
b) English;
(c) Latin;
Mumba-Yumba.
9. How many letters are there in the Latin alphabet?
a) 33;
b) 23;
(c) 26;
(d) 10.
10. The letter S in mathematics means ...
(a) stop;
(b) weakly;
(c) speed;
(d) area.

Annex 2.

For the X1 team:

1. How much is 2*2? (4)
2. Which shape has both angles and sides equal?
3. How many degrees is a straight angle? (90)
4. How do you find a rectangle area? (S=a*b)
5. What is on top of the fraction? (numerator)
6. Find module 0. (0)
7. What's 1 o'clock? (60)
8. What does the word “percentage” mean?
9. Where are the longest days? (24 hours)
10. How many ends does 5 and a half sticks have? (12)

For the X2 team:

1. How many fingers are on your hand? (5)
2. Where does the natural series begin? (c 1)
3. How many seconds in 1 minute? (60)
4. What is the sum of the angles of the triangle? (180)
5. What's down at the fraction?
6. Which month has 28 days?
7. What is the volume measured in? (in cubic meters or in liters)
8. Find 1% of 2,000 rubles. (20 rubles)
9. What's the reverse of 10? (1/10)
10. What equals half to half? (1/4)

For the X3 team:

1. How many days a week? (7)
2. What can not be divided into? (by 0)
3. What's a dozen? (12)
4. How many degrees is there in the unfolded coal? (180)
5. How do you find the perimeter of a square? (P=4*a)
6. What is the opposite of 5? (-5)
7. How many numbers in mathematics? (10)
8. What replaces a fractional trait? (division)
9. Divide 100 by half. (200)
10. 1kg of meat boiled 1 hour. How much should I cook 2kg? (1 hour)