You can offer an entertaining math competition to your classmates. Divide into two teams (or play every man for himself) and start guessing at speed. I wonder which of you will deserve the honorary title of mathematical genius?

As the saying goes, God bless you, wind in your sails. Started!

1. Once a motorcyclist was driving into the city. On the way he met five cars and a truck. How many cars were driving into the city?

2. There were two fathers and two sons in one family. How many people is this?

3. The boy bought a book with a cover for 11 hryvnias. For the book itself, he paid 10 hryvnia more than the cost of the wrapper. Name a separate price for the book and wrapper.

4. Once upon a time there were five sons, and each of them had a sister. Count how many children are in the family?

5. Two good comrades went out towards each other: the first from point A at a speed of 20 km/h, and the second from point B at a speed of 15 km/h. Which one will be closer to point A when the friends meet.

6. One egg is boiled for 4 minutes, how long does it take to boil six eggs?

7. There are 4 apples. Divide them without cutting them among three friends in such a way that none of the friends gets more than the rest.

8. A striking clock strikes 1 beat in 1 second. How long will it take them to hit 12 hours?

Answers:

1. At least one.

2. Three people: grandfather, father and son.

3. The wrapper cost 50 kopecks, and the book cost 10 hryvnias 50 kopecks.

4. Six children.

5. They will meet at the same distance from point A.

6. Four minutes (or a little more).

7. We give two apples to one friend, and one each to two others.

8. In 11 seconds.

Here is such a one. Be honest, how many of these questions did you manage to master?

Logic tasks. 1 class A

Grandmother knitted two pairs of socks for Nina. How many socks did Nina's grandmother knit?

Chickens are walking around the yard. Petya counted 6 legs for all chickens. How many chickens?

Tolya has 2 pairs of mittens. How many mittens on the left hand?

What is the smallest number?

There are four children in the family: there are as many sisters as there are brothers and sisters. How many sisters?

From the barrel they took 2 times 2 full buckets of water. How many buckets of water did you take?

The kittens are in the basket. All kittens have 3 pairs of ears. How many kittens are in the basket?

There were 6 kids on the hill. The two left for lunch, but after dinner they returned to the hill. How many guys were on the hill?

The spider has 4 pairs of legs. How many legs does a spider have?

Yura has 3 dice, and Serezha has 2 dice. There is a box on the table that contains 4 cubes. Will the boys be able to fit all their blocks into this box?

The beetle has 3 pairs of legs. How many legs does a beetle have?

There were 8 buds on the bush in the morning. By the middle of the day, all the buds have blossomed and become beautiful roses. How many buds are left unopened on this bush?

The package contains red and yellow apples. 4 red and 5 yellow apples were taken from the bag, and the bag was empty. How many apples were in the bag?

Dima won 2 games of chess against Alyosha, and Alyosha won 3 games. How many games did the boys play?

Each of the three adults leads two children by the hand. How many children go with all the adults?

How many whole loaves of bread can be made from six halves?

5 children walk one by one along the road. Every boy, except the last, is followed by a girl. How many girls are walking down the road?

I came up with two numbers. When I added them up, I got 6. When I subtracted the other from one, I got 6 again. What are these numbers?

There are 8 cakes in a box. How many cakes must be taken from the box so that there are 5 cakes left in it?

Katya thought of a number, added 5 to it and got 15. What number did Katya think of?

There are two children in the family. Sasha is Zhenya's brother, but Zhenya is not Sasha's brother. Could it be? Who is Zhenya?

There were 10 apples on the apple tree, the gardener allowed the children to pick 1 apple from the apple tree. There are 6 apples left on the apple tree. How many children were there?

The train consists of 10 cars. Petya got into the fifth car from the beginning of the train, and Fedya got into the fifth car from the end. Do they travel in the same carriage?

A chocolate bar consists of 6 square slices. How many breaks do you need to make to break this tile into separate slices?

Peter is the son of Sergei, and Sergei is the son of Fedor. Who is Pyotr Fedor related to?

There are 3 more apple trees in the garden than pears. Apple trees 7. How many pears?

Several pages fell out of the book. The first page that falls out is number 5, and the last page is number 10. How many sheets fell out of the book?

Zina has 4 postcards less than Galya. Zina has 6 postcards. How many postcards does Gali have?

My name is Ivan Sergeevich, and my grandfather (my father's father) is Petr Nikolaevich. Write down the name and patronymic of my father.

The red cord is 1m longer than the green one and 2m longer than the blue one. The length of the green cord is 5m. Find the length of the green cord.

Hats hang on a hanger; 1 more hats than berets. Hats 8. How many hats and how many berets?

The minuend is greater than the subtrahend by 2. What is the difference?

Guess how old my grandfather is if we celebrate his 70th birthday in 15 years.

The difference of two numbers is equal to the subtrahend. Think of these numbers and write an example.

The difference between two numbers is 0. Think of and write down an example.

Grandma put 12 pears on a plate. After the grandchildren took 1 pear from the plate, 8 pears remained. How many grandchildren does the grandmother have?

At a mathematics lesson, Olga Petrovna asked Gosha to name all the numbers less than 7, and Vitya - all the numbers that are greater than 3 and less than 9. What identical numbers did the boys name?

1. Mom bought 3 pairs of mittens for the children. How many left mittens and how many right mittens?

2. There were 7 benches in the park. 3 benches were replaced with new ones. How many benches are there in the park?

3. The apartment has 2 rooms. They made two out of one room. How many rooms are in the apartment?

4. Yura asked the library for Nafanya magazines from the second to the sixth issue. How many magazines did the librarian give him?

5. The apartment has 4 rooms. Two rooms were connected together and made one large room out of them. How many rooms are in the apartment?

6. Julia counted 10 legs for all the chickens that were sitting in the basket. How many chickens were in the basket?

7. Tanya said that she has more than 4 dolls and less than 7. How many dolls could Tanya have?

8. Kolya is older than Seryozha, and Seryozha is older than Misha. Write down the name of the boy who is the youngest.

9. There were 8 green tomatoes on the windowsill. After 3 days they turned red. How many green tomatoes are left?

10. Rabbits sit in a cage so that their ears are visible. Vova counted 5 pairs of ears. How many rabbits are in a cage?

11. The blacksmith shoed two horses. How many horseshoes did he need?

12. Alyosha was treated to sweets. He decided to give his sister 4 sweets and take 3 for himself. How many sweets did they give Alyosha?

13. Masha and Vanya each have 9 lollipops. Masha ate 4 lollipops and Vanya did the same. How many lollipops does Vanya have left?

14. Nina thought of a number. She first added this number to 7, and then subtracted it from 7. The answer turned out to be the same - 7. What number did Nina think of?

15. Roma was given as many badges as he already had. Roma counted all the badges, there were 8 of them. How many badges did Roma have at first?

16. To seat 7 children in a room, 2 chairs are missing. How many chairs are in the room?

17. A spider has 4 pairs of legs, and a beetle has 3 pairs of legs. How many more legs does a spider have than a beetle?

18. There are 6 cells in a box. Each cell contains only one Christmas tree decoration. Is it possible to put 4 balls and 3 cones in this box?

19. Sister older brother for 1 year. How many years older will the sister be than the brother in 5 years?

20. Can the sum of two numbers be equal to the summand?

21. Can the difference of two numbers be equal to the one being reduced?

22. Write down a number less than 20, in which the number of tens is 4 less than the number of units.

23. I pasted 4 decals on each page of the album. How many pages did 8 pictures take up?

24. The sum of two numbers is 8 and their difference is 4. Guess what these numbers are?

25. My name is Nina Alexandrovna, and my grandfather (my father's father) is Ivan Nikolaevich. What is my father's name?

26. On the left pan of the scales are a bag of flour and a weight of 1 kg. On the right pan of the scales is a 3 kg weight. Scales in balance. Find a mass of bags of flour.

27. in the shoe department of the department store there is a sign: "Shoes 37 - 42 sizes." Is it possible to buy shoes in size 39 in this department?

28. What two-digit numbers can be written using the numbers 5 and 6?

29. Sugar is sold packaged in bags of 1 kg, 2 kg, 3 kg. Mom knocked out a check at the cash desk for the purchase of 7 kg of sugar. The saleswoman gave her 3 bags of sugar. How much sugar was in each of the packets? Consider possible cases.

30. Compare the numbers *2 and 95 Record using one of the signs< или >.

31. Julia and Marina found an equal number of mushrooms in the forest. Yulia had 4 mushrooms that turned out to be wormy, and on the way home she threw them away. And Marina found 5 more mushrooms. How many more mushrooms did Marina have than Yulia?

32. There is money in the desk drawer. With this money you can buy 2 chairs of the same price or one chair. What is more expensive chair or chair?

33. There are as many books on the top shelf as there are on the bottom. 3 books were placed on the top shelf and 3 books were removed from the bottom shelf. Which shelf has more books and by how much?

34. There are 12 red and green balls in a box. Take 3 red and 4 green balls from the box. After that, there are no green balls left in the box. How many red balls are left in the box? 35. There are 5 more apples in the basket than in the bag. 7 apples were taken from the basket. Where are more apples left: in a basket or in a bag, and by how much?

36. The wizard made 3 keys for three locks: copper, silver and gold. Only one key fits each lock. The copper key does not fit either the first or the second lock. The silver key does not fit the second lock. Which lock fits each key?

37. Petya has 4 less candies than Seryozha. Mom gave Petya 5 more sweets. Who has more sweets and by how much?

38. The green ribbon is 3 m longer than the red one. 5 m were cut off from the green tape, and 2 m from the red one. Compare the lengths of the remaining pieces of tape.

39. Yura has just enough money to buy 4 waffles or 2 sweets. Will he be able to buy 1 candy and 4 waffles with his own money?

40. Write down 6 numbers according to this rule: the first is 1, the second is 2, and each next is equal to the sum of the two previous ones.

41. Olya can buy 4 pencils and 3 notebooks with her own money. Will she have enough money to buy 3 pencils or 3 notebooks?42. Grandfather allowed each of the three granddaughters to pick one rose from four bushes. How many roses did all the granddaughters pick?43. Write down 5 numbers according to this rule: the first is 18, the second is 10, and each next is equal to the difference of the previous two.

44. Half the number of apples on the plate was taken for compote. How many apples are left on the plate if the compote was cooked from 6 apples?

45. Bought a package of yogurt. Half of all the yogurt that was in the bag was drunk by Masha and Dasha. There are 2 cups of kefir left in the package. How many cups of kefir were in the bag?

46. ​​Melon is heavier than watermelon and lighter than pumpkin. What is the heaviest?

47. There are vegetables on the table: turnips are 1 less than cucumbers, and cucumbers are 1 less than tomatoes. How many fewer turnips are there than tomatoes?

48. The red ribbon is shorter than the blue ribbon and longer than the green one. Which tape is the shortest?

49. Dima is 1 year older than Serezha, and Serezha is 1 year older than Roma. How many years is Dima older than Roma?

50. For every minute, 10 liters of water are poured into the bath from the tap. During the same time, 2 liters of water is poured out through a hole in the bottom of the tub that is not tightly covered with a cork. Is the amount of water in the bath increasing or decreasing, and by how many liters every minute?

51. Petya took 3 cubes and put them one on one so that it turned out to be a “tower”. The red cube was lower than the blue one, and the blue one was lower than the green one. Which cube did Petya put the highest?

52. A tower was built from three cubes. The yellow die is placed above the blue and below the red. Which cube is the tallest?

53. The cake was cut into 4 identical parts, and then each part was cut into 2 identical parts. How many people will the cake last if everyone puts one piece on a saucer?

54. There are gingerbread and waffles in the box: there are 2 less gingerbread than waffles. How many waffles if there are 6 gingerbread cookies?

55. Mitya is 2 years older than Gena. Mitya is 10 years old. How old is Gene?

56. The sum of two numbers is 9. The sum is 5 more than the first term. What is the second term equal to?

57. 6 girls and 2 boys skated at the rink. Soon the three children were called to dinner and they went home. Was there even one girl left on the rink?

58. Bought a can of grape juice. Four children were given a full glass of juice from a jar. After that, exactly as much was left in the jar as the children drank. How many glasses of juice were in the jar?

60. Melon is 3 kg lighter than watermelon. A piece weighing 1 kg was cut off from a melon, and from a watermelon -

A piece weighing 3 kg. What is left more: melon or watermelon, and by how many kilograms?

MATHEMATICAL PUZZLES

1. The century is huge, like an elephant, how many years does it hold?

(one hundred)

2. Multiply one hundred kilos by ten, how much will it weigh?

(ton)

3. Less than ten times than a meter, everyone knows ... ..

(decimeter)

4. One, six zeros ... If only we had so many rubles.

(million)

5. The long-legged figure skater scribbled a notebook sheet!

What is not a dance is a circle! What is his friend's name?

(compass)

6. You look at me, you look at him, look at us all.

We've got everything, we've got everything, we've only got three.

Three sides and three angles, and the same number of vertices.

And three times we will do difficult things.

(triangles)

7. Not everything in this action is smooth: that - entirely, and that - with the remainder.

A decrease in several times will sign you ....

(divisions)

8. He does not take away from evil, he simply fulfills his duty.

To take away a big master of this familiar sign.

(minus)

9. You need to invite him to add up a series of equal numbers.

To facilitate addition, there is an excellent sign - ... ..

(multiplications)

10. I am a good sign of union, and that is my destiny.

I am fit for addition and I am very proud of it.

(plus)

11. This figure is just a miracle. She has family everywhere.
Even in the alphabet, she has a twin sister.

(troika)

12. Who knocks on my door with a thick shoulder bag,

With the number 5 on a copper plaque, in a blue uniform cap.

This is it, this is it, the Leningrad postman.

At seven o'clock he started the business, at 1 0 the bag lost weight,

And by 12 o'clock everything was smashed to the addresses.

How many hours a day did he himself go to addresses?

(5 o'clock)

13. Soon 10 years Serezha -

Dima is not yet six.

Dima still can't

Grow up to Serezha.

And how many years younger

Boy Dima, than Seryozha?

(for 4 years)

14. The figure looked in the mirror and dreamed of her sister.
But only the properties of one of them did not know to see.
And got a double. Like a drop of water
Her sister looks like her. Yes, only down the pigtail.

(six and nine)

15. The 9-storey building has an elevator. 2 people live on the first floor, 4 people live on the second floor, 8 people live on the third floor, 16 people live on the fourth floor, 32 people live on the fifth, and so on. Which button in the elevator of this house is pressed more often than others?

(button of the first floor).

16. The miller went to the mill and saw 3 cats in each corner. How many legs are on the mill?

17. Two boys played checkers for 2 hours. How long did each boy play?

(2 hours)

18. The blacksmith shoed three horses. How many horseshoes did he have to make?

(12 horseshoes)

19. Grandfather, woman, granddaughter, Bug, cat and mouse pulled and pulled the turnip and finally pulled it out. How many eyes looked at the turnip?

(12 eyes)

20. There are 100 houses along the street. The craftsmen were asked to make numbers for all houses from 1 to 100. To fulfill the order, he must stock up on numbers. Without using pencil and paper, calculate in your mind how many nines the master will need?

(twenty)

21. Divide the smallest four-digit number by the smallest prime and find out how many years the evil sorceress Gingema from A. Volkov's fairy tale "The Wizard of the Emerald City" did not wash her face, brush her teeth, and even touch the water with her finger.

(500)

22. Has 4 teeth. Every day he appears at the table, but does not eat anything. What is this?

(fork)

23. What sign should be placed between the numbers 2 and 3 written next to each other so that a number is obtained that is more than two, but less than three?

(comma)

24. Half - a third of it. What is this number?

(3/2)

25. When do we look at the number 2 and say 10?

(when looking at the clock, minute hand)

26. What number has as many numbers as letters in its name?

(100)

27. How far into the forest can a hare run?

(to the middle)

28. How many persons are there in Russian?

29. How many times the old man from the fairy tale A.S. Pushkin (“The Tale of the Fisherman and the Fish”) went to the goldfish to fulfill the wishes of his old woman?

I draw corners and squares
I'm in class...
Mathematicians

It's like I don't exist.
Who am I? You give me an answer!
Empty space am I?
No, no, my friends!
One with me
It will turn into ten.
And she will become a hundred
If we stand with my brother on the right.
Zero

In Latin, this word "less" means,
And with us, this sign of the number subtracts.
Minus

If less, then
We will be numbers...
Divide

You need to invite him
To add a series of equal numbers.
To make folding easier
There is a great sign...
Multiplications

I am a dash in grammar
Who am I in mathematics?
Minus

Two legs conspired
Make arcs and circles.
Compass

Pros and cons, division signs,
Equality signs and multiplications,
Any examples, tasks are given.
What is this science called?
Mathematics

arithmetic operation,
The reverse of addition,
The minus sign is involved in it,
I will tell you without a doubt.
As a result, the difference
No wonder my efforts!
I solved the example correctly
And this...
Subtraction

And this is my mission:
I'm good for addition.
And I am very proud of this.
Plus

I'm not an oval and not a circle,
I am a friend of the triangle
I am the brother of the rectangle
Because my name is...
Square

Don't delay answering
Next to Y and Z.
X

Sometimes it's sharp, sometimes it's blunt
But most of the time it's straight forward.
The blunt and sharp have different sizes,
Direct - permanence is an example.
Degrees change sharp with dull,
Only a straight line remains straight.
Corner

To get the amount
Need two numbers...
fold

All four sides
Such figures are equal.
And the corners are right
Who are we?
squares

The top serves as my head.
What do you think of as legs?
Everyone is called parties.
Corner

One girl in a flared skirt
Look in the mirror for a long time.
Can't look enough
Girl …
Trapeze

What are "broken numbers"
Have you been to Rus' before?
Math about it
Ask well.
Fractions

Every kid knows:
The addition sign is...
Plus

If we take something
Numbers, kids...
Subtract

I am a number and a number
This has been clear to everyone for a long time.
I'm also an acrobat
And they call me...
Nine

Long legged skater
I've scribbled the notebook!
Every dance is a circle!
What's his name, friend?
Compass

You look at the figure -
She only has three.
Three sides and three corners.
The student is not mistaken
And he will say that the figure is
It's called...
Triangle

Guess without delay:
Always needs a solution.
There is a question, a condition,
And without prejudice.
Task

Add plus numbers
And then we count the answer.
If "plus", then, without a doubt,
This action is...
Addition

If more than five times,
Numbers will be...
Multiply

Take me quickly
And draw a circle.
Open up if you need to
Measure the distance.
Compass

It is not from evil that he takes away,
He's just doing his duty.
Take away a big master
This is a familiar sign.
Minus

He is sharp, but not the nose.
There is a direct, but not a question.
And there is a blunt one, but not a knife.
What is it that can be?
Corner

Many people think that mathematics is very difficult.

In fact, all children early age talented mathematicians. They easily master the ordinal count, the concepts of "more" and "less", perform simple arithmetic operations, remember geometric figures. You can support this natural ability with the help of games, counting rhymes and rhyming riddles.

The proposed selection will introduce children not only to numbers, but also to measures of length or drawing tools. And he will do it fun, along the way giving other useful information: about animals, cardinal points, rainbow colors and much more.

How old is a chicken in an egg
How many wings does a kitten have
How many numbers are in the alphabet
How many mountains the tiger will swallow
How many tons does a mouse weigh?
How many crows in a flock of fish
How many hares did the moth eat
Only the number knows ... (zero).

* * *
How many suns behind the clouds
How many refills are in a fountain pen
How many noses does an elephant have
How many watches are on your hand?
How many legs does a fly agaric have
And attempts at the sapper,
Knows and is proud of himself
Digit-column ... (unit).

* * *
How many ears on top
How many legs does a half frog have
How many mustaches does a catfish have
At the planet of the poles,
How many halves in total
In a pair of brand new shoes,
And the front paws of a lion
Only a number knows ... (two).

* * *
Looks like a caterpillar
With a long neck, thin neck.
(Two)

* * *
How many months in winter
In summer, in autumn, in spring,
How many eyes does a traffic light have
Bases on the baseball field
The edges of a sports sword
And the stripes on our flag
Whatever anyone tells us
The number knows the truth ... (three).

* * *
How many legs does a mongoose have
Petals in a cabbage flower
Fingers on a chicken leg
And on the back paw of a cat,
Tanya's hand with Petya
And all sides in the world
And the oceans in the world
The number knows ... (four).

* * *
How many fingers are on the hand
And a penny in a patch,
At the starfish rays,
The beaks of five rooks,
Blades near maple leaves
And the corners of the bastion
Tell about it all
The number will help us ... (five).

* * *
How many letters does the dragon have
And zeros for a million
Various chess pieces
Wings of three white hens,
May beetle legs
And the sides of the chest.
If we can't count ourselves
The number will tell us ... (six).

* * *
How many colors are in the rainbow
Days in the week for whales.
Gnomes at Snow White,
Twin brothers at the pawn
Notes that even children know
And all the wonders in the world
deal with it all
The number will help us ... (seven).

* * *
How many winds on the sea
And the hooves of two donkeys,
Octopus tentacles,
And the fangs of a pair of Great Danes?
How many legs does a spider have
Spider-cross?
If we ask about it
The number will answer us ... (eight).

How many pirates in a dozen
If three have gone somewhere,
Months of the year without summer
Nonet performers,
Lives of a stray cat
And in a dozen flies without midges?
Don't look for the answer anywhere, because
The number has an answer ... (nine).

* * *
How many stars are in the sky at night
How many bread crumbs are in bread
How many drops are in the rain
How many fish live in the water
How many legs does a polypod have?
Very, very, very ... (a lot).

* * *
One, six zeros...
If only we had so many rubles!
(Million)

* * *
One hundred little brothers are equal among themselves.
(centimeters)

* * *
Century is huge, like an elephant.
How many years does it hold?
(One hundred)

* * *
Two legs conspired
Make arcs and circles.
(Compass)

* * *


Grandma planted in the oven
Bake pies with cabbage.
For Natasha, Masha, Tanya,
Kolya, Olya, Gali, Vali
The pies are ready.
Yes, another pie
The cat dragged under the bench.
Yes, there are four pieces in the oven,
The pies are counted by the grandchildren.
Help if you can
Count them pies.
(Twelve)