mathsman
MBEU “Secondary General Education School No. 33 named after P.A. Stolypin”
Engels municipal district of Saratov region.
Goals:
1. Develop and strengthen interest in mathematics, motivate cognitive and creative activity, develop ingenuity, curiosity, logical and creative thinking.
2. Expand the mathematical horizons of students.
3. To promote the development of a culture of collective work, the formation of friendly and friendly relations.
4. To educate students with a sense of collectivism and the ability to combine individual work with collective work.
Equipment:
1. an interactive board;
2. Task cards.
Progress of the event
1. 5 representatives from each 5th class take part.
Attention! Attention! We invite everyone to the Mathematics Festival. Do not forget to bring with you speed, resourcefulness and ingenuity! Today we invite you to compete with mathematics.
2. Warm-up(unrated).
Think of a number (anything)
Add 4.
Multiply everything by 3.
Add 3.
Now double the result.
Subtract 12.
Divide the result by 6
Subtract the intended number
Multiply the result by 4. On the count of 3, call the answer (12.).
3. Mystery contest(The correct answer is estimated at 1 point).
1) She says silently, and understandably and not boringly, you talk more often with her - you will become 10 times smarter. ?book)
2) Black, tailed, does not bark, does not bite, and from class to class does not let.(deuce)
(3) The first is an excuse, the second is a summer house, and the whole is sometimes difficult to solve.(task)
(4) They live in a difficult book clever brothers. Ten of them, but these brothers will count everything in the world.(numbers).
4. Poets Contest (5 min), (rated 2.1 points)
You may not be a mathematician, but you must be a mathematician. It is proposed to compose poems with mathematical content according to given rhymes.
Twin washer,
Multiplication-vertigo,
Mischievous unit,
Circle, friend,
Dot-daughter,
The voltage equation,
The robber triangle,
Square facade.
5. Computational relay (2 min)) (the correct answer is estimated at 1 point).
1) 20*7= -50? :5= +33=? 51. |
2) 100-77= *3= +51= :12=?10. |
3) 200:4= +70= *5= -240=?360 |
4) 23+40= :7= *16= -90=?54. |
5) 620+190= :90= *20= -180=? 0 |
(6) 4*40= +260 :6= -45=?25. |
7) 100-10= *90= +1900 100=?100. |
(8) 54:6= +34= *2= -56=?30. |
9) 80-24= :7= *8= +36=?100. |
10) 80:40= *9= +13= -30=?1 |
6. Contest "The polygon with a secret" (2 minutes)) (the correct answer is estimated at 1 point).
How many triangles are there in this hexagon?6
7. Think! Think about it!(The correct answer is estimated at 1 point).
1) Two played 2 hours of chess, how long did each play?(2)
2) Three horses ran 30 km. How far did each horse run?(30)
(3) Three different numbers were added and then multiplied. The sum and the product were equal. What are the numbers? (1,2,3)
(4) From a piece of matter, the length of 200 m every day was cut off by 20 m. How many days later was the last piece cut off? (9)
(5) On the stem of the plant, whose height is 1 m, a snail crawls. During the day it rises by 4 dm, and at night it drops by 2 dm. What day will the snail be on top?(4)
(6) Parents have 5 sons, each has a sister. How many children are there?(6)
(8) The course "Mischievous frogs" (Figure 1) (correctly completed task is estimated at 1 point).
- The 1st most attentive player of the team is invited to me. The competition is held alternately. One player comes out, calling alternately "First frog, first cat, first mouse, second frog, second mouse, etc." looking at a poster depicting animals.. (7 frogs, 8 cats, 9 mice)
(9)Fun Questions Competition(The correct answer is estimated at 1 point).
- Can multiplication produce 0?(Yes)
- Unit of mass of precious stones.(carat)
- Volume of 1 kg of water.(1 litre)
- Which equals 13x25*0*9.(0)
- Which is lighter than 1 kg of cotton or 1 kg of iron?(samely)
- To a single number greater than zero, the same number was added. How many times did the number increase?(11 times)
- What's 1 pood?(16 kg)
- Formula P of a rectangle with sides a and b?(Р=2(a + b))
- The smallest natural number.(1)
- A number that turns an equation into a true equality?(root)
- Is it possible to divide 0?(Yes)
- The old woman went to Moscow. I'll meet her 3 old men. How many people went to Moscow?(1)
- What is abacus?(accounts)
- Part of a straight line consisting of points lying on one side of this.(beam)
- The sum of the lengths of all sides of the polygon?(perimeter)
- Formula of the way.s= vt)
- What do you find if you divide the area of a rectangle by width?(length)
- 5y = 30, y =?(6)
- Biggest two-digit number?(99)
- They have 10 fingers. How many fingers are there in 10 hands?(50)
- Multiplication. ?work
- One egg is boiled for 4 minutes. How many minutes do 5 eggs cook?(4 min)
- Three kittens. How many legs?(12)
- 7x8=?(56)
- How many minutes in an hour?(60)
- The rooster, standing on one leg, weighs 3 kg. How much does he weigh standing on two legs?(3kg)
- The smallest two-digit number?(11)
- Addition result(sum)
- Third month of summer vacation?(August)
- First month of winter?(December)
- The highest three-digit number?(100)
- How long did Ilya Muromets sleep?(33)
- Variable equality?(equation)
- How many musicians are there in the quartet?(4)
- The smallest natural number?(1)
- How many goats did a large goat have?(7)
- Part of a straight line, bounded by two points.(stretch)
- The result of subtraction.(difference)
- You, me, you and me. How many of us?(2)
- How many times do you have to measure to cut once?(7)
- What number is considered unlucky?(13)
- Tenth month of the year?(October)
- How many letters are in the alphabet?(33)
- How many letters does the word "sun" have? (6)
- How many legs, tails and horns does a cow have?(7)
- How many rabbits are not worth chasing? (2)
- There were 5 swans swimming on the lake. 3 of them dived for stern. How many swans were swimming?(5)
- Baton was cut into 3 pieces. How many cuts did you make?(2)
- What month has 28 days?(all)
- The number by which we divide(divisor)
- Multiplication result(work)
{module Yandex}
10. Conclusion.
Congratulations to the winners and participants of the game. You're all good! I wish you to carry the love of mathematics "Queen of all sciences" throughout your life. Let your ingenuity and strong knowledge help you cope with any mathematical problem. The solutions will be easy and interesting for you. I wish there were no unsolved tasks in your life.
Mystery contest | Poetry competition | Computational relay | A polygon with a secret | Think! Think! | "Mischievous Frogs" | "Fun questions" | Totally. | |
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