135780 wax (65438+February), 3 1 day never goes bad;
April 30th (165438+1October);
February 28th in normal year, plus February 1 day in leap year.
/kloc-prime formula within 0/00
2,3,5,7 and 1 1,
13 is followed by 17.
19, 23, 29, ( 19, 23, 29)
3 1, 37,41,(Sany, Sanqi, Forty-one)
43, 47, 53, (43, 47, 53)
59, 6 1, 67, (59, 6 1, 67)
7 1, 73,79, (73,79 July 1 day)
83、89、97。 (83, 89, 97)
application problem
Don't panic before solving the application problem, read the first one again and again.
Conditions, questions, relative sentences, every word is positive and negative.
The line chart is a crutch,
Use equations, don't forget, the strongest thing is to simplify the complex.
Keywords fractional problem, unit 1, detailed analysis of quantity-rate correspondence,
Three kinds of nine basic questions, you should keep them in mind.
The communication between engineering problems and travel problems is positive and negative.
It is assumed that methods, invariants and units should be unified.
After calculating the question, check it and answer it if it meets the meaning of the question.
Multi-digit size comparison song
The number of digits is different from the size, with more digits and less digits.
The number of digits is the same, but there are fewer digits and more digits.
Operation sequence song
Playing bamboo boards rang all over the sky. Listen to me, students
Today we will talk about four operations instead of other tables.
Clear order is the key to the calculation of mixed test questions.
The operation at the same level is the best, and it is calculated from left to right in turn.
There are two levels of operations, first multiplication and division, then addition and subtraction.
What should I do if I encounter parentheses? Parentheses take precedence.
After parentheses, the order cannot be out of order.
Check every step, and be happy when you are right.
Division with zero in the middle or end of quotient.
I'm 0, I'm good at it,
Organization works miracles.
Not enough quotient 1, I'll make up,
I will sit when there is a vacancy.
If someone wants to get rid of me,
I always win.
A preliminary understanding of multiplication
Remember the multiplication formula,
Write the same addend before,
Multiply the symbols, followed by the addition number,
Write the numbers at last,
How many times is the pronunciation,
Represents the addition of several numbers.
Successive abdication subtraction
See 0, go ahead,
Let's see who has it.
Borrow it, walk back,
0 is a bit taken as 9.
Trial quotient jingle
Divide two digits by multiple digits.
Try to round the quotient.
Testing the quotient of four houses is simple,
Gradually reduce 1 to a minor.
5. It is easy to enter the testing industry.
Gradually add 1 to the major.
Multi-digit division is not difficult,
Knowing arithmetic is the most important thing.
The unit number is 1, 2, 3,
Judging by the four courts method.
Unit numbers are 4, 5, 6,
It is most convenient to use arithmetic.
Unit numbers are 7, 8, 9,
Five test methods.
Try to finish the work,
Careful calculation can't go wrong.
The divisor is the division of three digits.
Divide by three to see three, three is not enough to see four.
Except which business, remember the formula and set the position.
The trial commercial law should be flexible, and quotient 1 0 is not enough.
The remainder is less than the divisor and then divided by the next bit.
Mathematics advertising song
1. Date, month, year, 135780(65438+ February),
Thirty-one days is never bad;
April 30th (165438+1October);
February 28th in a normal year,
Add one in February of leap year.
2. prime formula within 100
2,3,5,7 and 1 1,
13 is followed by 17.
19, 23, 29, ( 19, 23, 29)
3 1, 37,41,(Sany, Sanqi, Forty-one)
43, 47, 53, (43, 47, 53)
59, 6 1, 67, (59, 6 1, 67)
7 1, 73,79, (73,79 July 1 day)
83、89、97。 (83, 89, 97)
Thirdly, the multi-digit reading of French songs.
Reading should start from a high position, and whoever reads it will read it.
If there is a zero at the end of each stage, you don't have to read it out.
If the other numbers are zero in a row, just read one.
Read 10,000 at the end of 10,000 and 100 million at the end of 100 million.
Fourth, write songs with multiple digits.
Write a few numbers from it, as many as you want.
Whoever doesn't have a unit, remember to use 0 to occupy the place.
Five, multi-digit size contrast songs
The number of digits is different from the size, with more digits and less digits.
The number of digits is the same, but there are fewer digits and more digits.
Six, the operation sequence
Playing bamboo boards rang all over the sky. Listen to me, students
Today we will talk about four operations instead of other tables.
Clear order is the key to the calculation of mixed test questions.
The operation at the same level is the best, and it is calculated from left to right in turn.
There are two levels of operations, first multiplication and division, then addition and subtraction.
What should I do if I encounter parentheses? Parentheses take precedence.
After parentheses, the order cannot be out of order.
Check every step and be happy again.
Seven, the meaning of "points"
See "division",
Circle,
The word "divide" is preceded by a divisor,
The dividend aft that word "divide",
Switch places. Don't forget.
Eight, division with 0 in the middle or at the end of the quotient
I'm 0, I'm good at it,
Organization works miracles.
Not enough quotient 1, I'll make up,
I will sit when there is a vacancy.
If someone wants to get rid of me,
I always win.
Nine, understand the clock
The fastest runner is the second hand, tall and in good shape;
The slowest runner is the hour hand, short and fat.
Height and height are not minute hands, so running at a constant speed is very effective.
Measuring angle
Center to vertex
0 line to one side,
When reading the scale
Distinguish between inside and outside
XI。 Conversion between measurement units
Make it bigger and smaller. Make good use of it.
Small and big, not bad.
12. Memories about the big moon and abortion
Seven months ago, when I was one month old,
Eight months later, two months old.
Thirteen, I am 1 cm.
1 cm, very naughty, look carefully before you look.
Nail cover 1 cm, stretch out your finger and compare it.
It's about my length, about one centimeter.
100 I'm 1 m, and I'm Mi's little brother.
Don't use me when the object grows, or you will be exhausted.
Fourteen Usage of greater than sign and less than sign
Greater than sign and less than sign.
Smile at the big numbers.
Primary school English jingle
1, some verbs master, have, let, make, these three verbs are causative, pay attention,
And feel and appreciation. Use them carefully.
It must be remembered that the object is followed by the ellipsis of to.
In addition, you can also master eight characters.
One feeling, two listening, listening, three having, letting, having, four watching, watching, observing and watching.
2, the use of be!
I use am and you use are to connect him, her and it;
Is is used for singular nouns and plural nouns.
Change the question, go to the premise, and don't throw away the question mark at the end of the sentence.
It's easier to be negative. Don't forget it after you do it.
You can change your doubts and negatives, don't hesitate, the first sentence should be capitalized.
3. Shorthand songs of prepositions used before time nouns.
In should be used before a week, not a day ago.
When you are dating, in the morning and afternoon.
If you want to say a morning and an afternoon, you can only use on for in.
At must be used at midnight and dusk, and dawn is not bad.
At is also used before division, and you can say "difference".
Say "Guo" only in the past tense, say more and practice more and remember it firmly.
Don't let the years go by.
4. Cleverly remember family members
Father, mother, mother, brother, brother, sister and sister, sister.
long time ago
A long time ago, "a long time ago", a long time ago, "soon".
Cleverly remember lying and lying
Lie, lie, lie, lie;
Lie, lie, lie, don't lie;
Lay eggs, lay eggs, lay eggs, Ahenlaidanegg
Place a typical editor and a label.
Mandarin: Super funny Mandarin.
Phrases: Super funny rhymes 1. Fly to America in a hurry just to eat a hamburger; I have to say that I am the best actor when I meet a talent scout when I go out. How did these wonderful things happen? Dream!
2. Classification of students. Students who repeat grades are called: international students; Students with money at home are called gifted students; Students who doze off in class are called poor students.
3. Staring is a temper, and being beaten is the purpose. Although my arms are thin and explosive. Try it if you don't believe me!
A broken jar has its own broken lid, and an ugly ghost has its own ugly girl's love. As long as love is as deep as the sea, Asako can shine.
I missed you secretly last night, and my dream was full of salty tears. When I woke up, what blurred my vision in my dream was a pillow of saliva.
6. Get the word in the dream, change guns for guns. Originally a three-legged cat, it added a tiger waist. Walking is powerful and heroic. It's too bad to wake up and watch. The tiger has become a straw bag
7. The taste of first love: yogurt, sweet and sour; The taste of love: wine is easy to faint; The taste of marriage: tea, if you don't change it, the more you soak it, the weaker it will be. The taste of divorce: coffee, bitter but thought-provoking.
8. One thin and one fat two women meet. The thin woman said, if I were as fat as you, I would have died in the morning. The fat woman said: When I hang myself, I must use you as a rope.
9. The so-called finger-belly marriage means pointing to your girlfriend's belly and saying to your parents: Dad, Mom, we are getting married!
10. Couples in western countries always divorce because their lover is a baby. Look at the old man under the moon in China. They are experienced, so China's marriage lasts longer. When carrot saw the customer, he respectfully handed in his business card. The customer looked at the business card and asked, why is it called Korean ginseng? Carrot waist is small, people haha!
1 1. Today, when you wake up, there is a mosquito lying on your pillow, and there is a suicide note beside you: I struggled all night, and your face is so thick that I have no face to live in this world! Lord, forgive him! I killed myself.
12. Someone saw you today. You are still so charming. You walk slowly in a plaid vest. You look so detached. It is really cute. I don't know how you beat rabbits in those years.
13. One year, a man wrote more than 800 love letters to his girlfriend, and finally her girlfriend announced that she was getting married. The groom is the postman who delivered these letters to her.
14. The barber was chatting while helping the guests to shave their faces, and they were so excited that they didn't pay attention to shaving off the guests' eyebrows. The barber asked: Do you want to keep your eyebrows? Guest: Stay! Barber: Alas! Why didn't you say so earlier? Shaved off!
15. Husband: Honey, I was fired. Because of a little thing, it's so unfair! Wife: Why? Husband: I forgot to close the tiger cage after work last night. But they don't want to think, who dares to steal a tiger?
16. There are some things you should know! Days are used for windy and rainy days; The land is used to grow flowers and grass; I was used to prove the greatness of mankind. And you: it is used to stew vermicelli!
17. Stop getting drunk. Yesterday, someone saw you chasing a pig with a glass and shouting, are you a brother? Brother did it! !
18. I am a lonely tree, standing on the roadside for thousands of years, waiting alone, just because one day you pass me, I will fall for you, and it is in vain not to smash you.
19. If I leave in autumn, I will wait for you in the snow; If the world goes, I will love you in heaven; If I leave, I will let her take care of you. Really, her pig-raising skills are not bad!
20. I know you pay attention to hygiene. Wash your hands carefully every time you go to the toilet. Suddenly you stopped washing your hands. I'm surprised: why don't you wash your hands? You answer: I brought paper this time! !
2 1. It is a very happy thing to miss you; Nice to meet you. Loving you is what I will always do; Keeping you in mind is what I have been doing; However, lying to you just happened.
22. Every day, I pray to the Buddha for a long-lasting blooming rose. When it reaches 999, I will give it to you together. I said emotionally, my youngest son, I don't believe that the attracted bees won't sting you! !
23. It takes two people to applaud: the golden mean.
24. Crows in the world are generally black: halo effect.
25. Flies don't bite seamless eggs: generalize by one side.
26. Everyone is equal before opportunities: impossible.
27. People live and trees die: not necessarily.
28. If there is something, change it, and if there is nothing, add encouragement: killing people does not see blood.
29. In terms of qualifications, I have crossed more bridges than you.
30. When a fellow villager sees a fellow villager, his eyes are full of tears: murder is even worse.
3 1. Snow in front of every sweeper: The world is getting worse and worse.
32. Time is like cleavage, there will always be squeezing; The generation gap is like cleavage. You don't know how deep it is until you plunge into it. Personality is like cleavage, you can only see part of others; Luxury goods are like cleavage, you can only look at them.
33. I am really anxious to get angry, deal with hot issues coldly, dare to face hardships, take a straight road to turn around, don't regret what happened in the past, don't compare with what happened in front of me, work wholeheartedly and protect my health wholeheartedly.
34. Those who have jobs have no right to engage in greening, those who have the courage to engage in culture, those who have money and no right to engage in corruption, those who have no self-styled popularity, those who have little or no liberalization goals, those who have no land to talk over their heads, and those who have only one child.