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Narkas Kudabayeva
Summary of the lesson “Even and odd numbers»

Topic: Even and odd numbers

Goals: one). Give a concept even and odd numbers.

2). improve computing skills and ability to solve

text tasks.

3). Develop mathematical ingenuity and creative thinking.

Equipment: card, counting stick.

Lesson plan

I. Organizational moment.

III. A minute of cleansing.

IV. Verbal counting.

V. Work on a new theme.

VI. Fizkultminutka.

During the classes

I. Organizational moment.

Guys, today we have a guest. I will now read to you about him, and you must guess him.

…He looks like a swimming swan. Bowing his head, he doesn't know what to do out of shame. (appears). A frequent guest in the notebooks of dirty, sluts. Many poems and stories are written about him. Nobody loves him, but his friend "five" everyone loves. (Number 2). Card display.

II. Communication of the topic and objectives of the lesson.

At the figure "two" have a secret

She is proud of it.

And we will reveal your secret

And we will tell all the children.

Today we need to reveal the secret of the number "two". Who will participate well in the figure lesson "two" prepared a gift.

III. A minute of cleansing.

Open notebooks. Write number.

Prescribe number. Which number will be written? (Three-digit number 232) .

IV. Verbal counting.

1. The old one was upset cat:

"I'm not lucky today:

A couple of mice hid in a hole,

Three hid headlong,

Under a heavy old wardrobe.

The couple scurried away in fright

In the box where the coal was stored,

Three - in the corner behind the panel,

And one of the cracks clogged up.

How many mice managed to hide from the cat?

2. How to arrange 7 chairs in a room so that there are 2 chairs on each wall?

Answer:

V. Work on a new theme.

1. Working with counting sticks.

Take 9 counting sticks and arrange them in pairs.

What does couples mean? (two each).

How many pairs did you get? (4 and one left). Good! Then take 10 sticks and put them in two.

How many pairs did you get? (5 pairs).

And now we work in rows. Each row gets numbers and arranges the sticks accordingly in pairs: 1 row - 7.8; 2 row - numbers 9,12; 3 row - number 10,5.

What did you get? Did you manage to split it into two? (Not really, in work with number 7 one stick was left without a pair. Also from 9 and 5).

That is, the ones you named numbers are not divisible by 2. Writing numbers to blackboard:

1 2 3 4 5 6 7 8 9 11 12

How are they located in numerical series? (5 is not divisible, but 6 is divisible, 7 is not divisible, but 8 is divisible, 9 is not divisible, but 10 is divisible, 11 is not divisible)

look numbers alternate. Let's complete number row on the right(record to be added). We have discovered the secret number two. It turns out that taken in circles numbers are called even.

What unites them? (These numbers are divisible by"two"). And the rest odd.

Can you split them into "two"? (Not).

Tell me, from what numbers starts natural series? (from 1).

What is it number? (odd) . Numerical the series will continue.

How do you define it even numbers? (If a number is divisible by 2, then it even, and if it is not divisible by two - odd).

Well done!

2. And now let's put the rule into practice.

Write it down in your notebook numbers from 10 to 19, circle even numbers. (Student works at the blackboard).

name odd numbers(11, 13, 15, 17, 19) .

3. Find #3, p. 34. (Perform together, on the board).

What received numbers? (Even) .

What received numbers? (Even) .

Multiplying odd number, got even number. See what a secret he has numbers 2.

VI. Fizkultminutka.

Attention game. Show drawing.

We squat so many times

How many berries do we have.

How many circles do you see

We do so many jumps.

Bent over so many times

How many butterflies do we have.

VII. Work on the material covered.

Find problem number 4. Read. We decide on our own.

8m was cut off from a coil of wire, and 7m remained in it. How?

8 = 7 (m.)

15 - 8 = 7 Answer: 15m was in a skein.

We solve problem number 5. We only write down the answers in notebooks.

Multiplier 2 9 8 7 2 5

Multiplier 9 2 2 2 6 2

Product 18 18 16 14 12 10

(18, 18, 8, 2, 2, 2)

In response, what numbers received? (Even) .

a). Listen carefully to the logic problem.

There were 3 jackdaws and 2 crows sitting on a tree. Two birds have flown away. How many and what kind of birds could stay? (All possible answers: 1) 3 jackdaws; 2) 1 crow and 2 jackdaws; 3) 2 crows and one jackdaw).

b). Additionally.

Fill in the gaps with math symbols and numbers.

15*2+9=39 12+4*2=20

VIII. Summary of the lesson. and homework.

Today we discovered the secret of the number "two". What is the secret? ( Numbers that are divisible by 2 are called even, a numbers which are not divisible by 2 odd).

Number "two" prepared gifts for those students who actively participated in the lesson. Tell me yourself, who sat well and actively participated? (Laysan, Albert, Malik). We give these guys this picture.

Homework #6. You need to solve the examples.

Related publications:

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In this material, children will learn what even and odd numbers from 1 to 20 are and learn to distinguish between them by completing various tasks in pictures. Preschool children do not yet know how to divide numbers, so the basic rule of even numbers (i.e. even is a number that is divisible by 2) will be very difficult for them to understand. To solve this problem, use our recommendations and tasks, which are designed for the first acquaintance with this mathematical concept.

Even and odd numbers from 1 to 20 for preschoolers

Before completing the tasks, the child must understand what even and odd numbers from 1 to 20 are. To do this, you can print and show him the very first rule that he must remember (you can attach it to the wall during training). Explain to your child that all numbers ending in 0, 2, 4, 6 and 8 are even. Guided by this rule, have the child answer which digits odd numbers should end in (i.e. 1, 3, 5, 7, 9).

Then explain to the child that all even numbers are divisible by 2, and odd numbers are not divisible by 2. Print out the second rule:

Print out Worksheet #1 and have your child circle all the even numbers, then all the odd numbers.

Sheet task number 1

You can explain to the child that dividing a number by 2 means that the number is divisible in half. Ask him to halve some numbers. If the child finds it difficult to answer, then it is necessary to divide equally not numbers, but objects. Place a few candies, pencils, or other small items in front of him. Ask him, for example, to share 6 pencils equally. When the child separates the pencils, tell him that he just divided the number 6 by 2. So 6 is an even number. Ask them to share 5 pencils equally. When the child understands that 5 cannot be divided by the same number - say that this is an ODD number, it cannot be divided by 2.

Connect the numbers according to the rule - even, odd

After the child has figured out the concept of even and odd numbers, invite him to complete our fun tasks in pictures. In the first task of the charming wolf from the well-known cartoon "Just you wait!" you need to bring to the rabbit. The wolf in this task is very friendly and does not want to conflict with the hare at all, so he goes to him with flowers. In order for the wolf to be able to reach, he needs to pave the way with the help of circles with numbers. But you need to connect these numbers together in a certain way. Let the child take a colored pencil and, starting with the smallest number, begin to lead the way only through circles with even numbers, and most importantly - in order of counting! The second task is performed in a similar way - only now the path is laid through circles with odd numbers.

You can download the task "Connect even and odd numbers" at the bottom of the page.

Count and find even or odd numbers

Another test of knowledge of even and odd numbers for children is presented in the next exercise. In the first task, the child must say which products the bunnies divided equally among themselves. To find out, the child needs to count the number of foods in each group and say whether it is even or odd. If it is even, the products will be divided equally, if it is odd, then no. In the second task, you need to calculate how many in the picture: sunbeams, clouds, apples, mushrooms, birds, animals, trees, flowers. And then answer, what or whom did an even number turn out?

You can download tasks for finding even and odd numbers in the attachments at the bottom of the page.

You may also find other printable numeracy resources helpful:

Here you can print the composition of numbers up to 20 in the form of a numerical table and give the child to fill in. Such an activity perfectly trains the counting skills of preschoolers, and also teaches them to solve examples up to 20.

In these entertaining puzzles, we learn to count up to 20 along with the heroes of cartoons and fairy tales. Preschool children absolutely do not like monotony and boredom.

Here we are counting up to 20 using number cards. On each card sheet there is a number from 1 to 20 and various items, the number of which is equal to the given number.

Here we have prepared for you mental counting within 10 in the form of math tasks in pictures.

So that children can quickly and with interest learn to count within 10, we have prepared for you fun coloring pages with tasks.

Here you can download the copybook numbers, print them out on a printer and use them in home schooling to prepare children for school.

And also practice math games from Bibushi the fox:

Synopsis of GCD on FEMP "Club of young experts".

Educational area: knowledge.

Integration of educational areas: communication, socialization, outlook, health, reading fiction.

Type of: integrated.

Form of direct educational activity: travel

Form of organization: group.

Target: To acquaint children with "even" and "odd" numbers.

Tasks:

To consolidate the ability to compose arithmetic problems and write down their solution using numbers: highlight conditions in the problem, question, answer

Exercise in orientation on a sheet of paper in a cage;

Develop binocular vision.

To cultivate interest in mathematical studies, mutual assistance, mutual control.

Preliminary work: drawing up and solving problems, solving examples, guessing riddles.

Equipment and materials: pictures of apples, a wise owl, a set of numbers, pictures of geometric shapes, medals.

Lesson progress: Guys, today our guest is the Wise Owl. If you watch the program “What? Where? When? ”, then you know that she is the mascot of this game. And if she appeared with us, it means not just like that. It turns out that she has been watching us for a long time, and she really liked you, because. take math very seriously. So she decided to open the “Club of Young Connoisseurs” with us. Only the one who proves that he is the most intelligent, quick-witted, worthy can become a member of the club. Today we will have a qualifying tournament in several stages. Wise Owl has prepared interesting tasks for us. And at the end of the tournament, she will present membership cards of the Young Connoisseurs. Who wants to participate in the tournament, please come to me, stand in a circle.

Stage 1 "Even - Odd".

Wise Owl has prepared 1 task for us. Listen to the rules. I throw a ball and call a number. The child who caught the ball continues to count, i.e. call two numbers before the one named, i.e. even. Do you know which numbers are even and which are odd? Do you want to know? Listen! Even numbers are numbers that are divided into two equal groups of objects. For example, the number 2 can be divided in half so that the items in the two groups are equally divided. Here are 2 apples. Is it possible to divide them equally between two children? How? (1 and 1). So this number is even. Can the number 3 be divided into two equal groups of objects? (Not). True, the number 3 is not divisible equally, so it is odd. Guys, now I suggest you put the numbers in a row in order from 1 to 10. Put forward the even numbers (2, 4, 6, 8, 10). Guys, what are these numbers? These are even numbers. And what are the numbers that have not been put forward, they are in your bottom row 1, 3, 5, 7, 9. What are these numbers? These are odd numbers. Great, everyone did a great job. Let's see what else the Wise Owl has prepared for us.

Stage 2 "Declare yourself"

And so the wise Owl prepared a second task for us. Whoever I ask should answer the question.

Count up to 20...

Count down from 20 to 1...

Name "even" numbers up to 10...

Name "odd" numbers up to 10...

Name the days of the week...

Name the seasons...

Name the months of the year...

Excellent! Everyone did well and everyone moves on to the next stage.

Fizminutka "Even and not even numbers»

Guys, our physical minute will be unusual. We will have competitions. You need to stand in a line, pay off by numbers from 1 to 10: then even numbers form 1 team, and odd numbers form 2 teams. And the task will be:I give each child a card with the image of geometric shapes, the task is to tell about your geometric figure and try to draw it with your eyes. Circle - circular eye movements. Square - right, down, left, up. Triangle - down, left, up. Well done. Have a seat.

Stage 3:"Draw a Shape"

The next task will be like this. Take a sheet of paper and a pencil. Under my dictation, you must draw an image. Be careful, do not ask again, I will repeat 2 times.

Started:

I am satisfied with you. And the last final stage, which will decide everything: whether to be all members of the club or someone will be unlucky.

Stage 4 "Problems"

We have to compose and solve problems according to schemes. Let's remember what parts the task consists of?

(Condition, question, decision, answer)

What is a task condition? (this is what we know, there must be at least two numbers in the condition).

What is a problem question? (this is what we need to know).

Well, we remembered, now we can begin.

Set up a task like this:

5+4=

5 tulips bloomed in the flower bed, the next day 4 more. How many tulips bloomed in total in the flower bed?

5+4=9 A total of 9 tulips bloomed in the flower bed.

The next diagram is:

10-2=

There were 10 ships in the port, 2 of them sailed away. How many ships are left in the port?

10-2=8 There are 8 ships left in the port.

And the last scheme, here it is:

4+3=

For the salad, we took 4 cucumbers and 3 tomatoes. How many vegetables did you take for the salad?

4+3=7 Only 7 vegetables were taken for the salad.

Summary of the lesson

Guys, finally, we completed all the tasks of the Wise Owl. Let's hear her opinion.

Owl: Guys, I didn't think you could do the tasks so easily. I am sure that you all deserve the title of a member of the Club of Connoisseurs. That's why I hand out membership cards to everyone. Thank you, see you soon!

Age - from 4 years old.

Materials: cards with numbers from 1 to 9 and additional numbers 1 and 0 for the number 10, red circles with a diameter of about 2 centimeters - 55 pieces.

How to make - I did everything on cardboard. For circles, you can use a wide lid from cream, toothpaste, or something like that as a template. If instead of circles cut into squares, the essence of this will not change. Alternatively, you can do it on a computer, then print it on thick paper. Immediately prepare an envelope or box for this material so that you do not get confused.

1. Call the child and offer him something to show. Sit next to a table or on a rug and start laying out numbers in a row with him: 1,2,3 ... Leave free space between the numbers. The child can finish this on their own.

2. Next, show in what order the circles should be laid out under the numbers (see photo, order is important). Under each digit, the number of circles corresponding to this digit is displayed. After the number 3-5, the child does it on his own. If he suddenly puts the last unpaired circle on the side in odd numbers, move the circle to the middle and pronounce the number, thus emphasizing the importance of this.

3. When all the circles are laid out, show the child that the number 2 has a path between the circles and you can run your finger there. At number 3, the finger gets stuck in front of an unpaired circle, at number 4, it passes, etc. At this stage, it is only necessary to comment on what is happening here, but not here. My daughter immediately dubbed the unpaired circle a dead end. After you have gone through all the numbers in this way, you explain that the numbers where the finger went are even, where the dead end is odd.

4. Then you can ask about individual numbers - even or not. Example: “Tell me, what is the number 4?”. When the child remembers this, explain that in other numbers, the last digit can determine whether the whole number is even or odd. For example, 3945 is odd, since there is an odd 5 at the end. In the future, you can play such a game - you name a large number, and the child answers whether it is even or odd. A convenient exercise, since you can play it everywhere: on the way to the kindergarten, walking from the store, etc.

Pluses of the exercise: the child himself sees that even numbers are divided into two (the finger goes down, dividing the circles into two parts). This does not need to be explained, as the child understands all this clearly.

Note: I myself did not expect that my daughter would be able to understand the topic of even-odd numbers the first time!

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Sequential account. When the baby learns the names of numbers well, play with him in turn counting: you say 1, he says 2, you say 3, he says 4, etc. At first he will want to call your numbers; explain to him that this is prohibited by the rules of the game. Next time he should start: he says 1, you say 2, and so on. When the child can easily cope with such a task, involve someone else in the game (say, another child, he will like it too!) And play with three, then four, etc. Now that he quickly figured out what's what, continue to play only if he shows interest.
Even and odd numbers. To explain this concept to a child, take two plates and a handful of beans:
This is your plate and this is mine. Here are two beans. Can you put as many beans on my plate as you have on yours? Oh sure! You can put one bean on your plate and one on mine. Now here are three beans for you, see if you can do the same with them? .. No! There are two beans in one plate, and one in the other. You see, it turns out that the number 2 can be divided into two equal parts (such a number is called even), but the number 3 cannot be divided into two equal parts (it is called odd). Now let's see how 4 behaves...
When the baby understands the difference between an even and an odd number, play with him in turn counting, while one of you will call odd numbers, and the second - even.

Numbers in their graphical form. Before showing the child abstract symbols denoting numbers, it is necessary that he learns to count well. Otherwise, he will become like most of us (and this is undesirable!): for him, counting will mean only playing with abstract symbols. Imagine a person for whom the words "banana", "chair", "shoe" are associated exclusively with their written form, and not with specific objects. Such a person would really know nothing about the world around him, and his acquaintance with the language would be superficial and useless. How he reminds all those who freeze in horror at the word "mathematics". Such people know the symbols, but do not really understand why they are needed and what they symbolize!
As with the alphabet, there are children who are very fascinated by the process of naming an abstract symbol. They instantly learn the numbers, it is enough to show them several times. But there are other children who, being able to count well, cannot remember which number corresponds to which number. Because they don't care! Here is a game they should enjoy.
First, show your child a picture with the first three numbers. When he learns them, reward him by including a fourth character in the game. Still use only the interrogative form. Only in this case, he will call the number, and not you. When the child learns the numbers with small drawings, show him the same ones. figures, but without figures. Remind your child of the text if he forgets it. In this way, even the most stubborn child will quickly learn the numbers. BUT GO TO THE NUMBERS ONLY WHEN HE LEARNS TO CALL THE NUMBERS AND COUNT!

S. Lupan. Believe in your child. "Delta", St. Petersburg. - 494 s