Grade 4 math hand copied newspaper materials, 4th grade math hand copied newspaper content

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1. Mathematics is an infinite science. —Herman Weyl.

2. Mathematics is God's symbol for describing nature. —Hegel.

3. Mathematics is the most brilliant pearl in the crown of human wisdom. - Court.

4. Mathematics is the highest achievement in human thinking. - Misra.

5. Mathematics is the king of science. - Gauss.

6. Mathematics is a variety of proof techniques. —Wittgenstein.

7. Mathematics is symbols plus logic. – Russell.

8. Mathematics is the key to opening the door to science. - Bacon.

9. A mathematician is essentially a fascination, and there is no mathematics if he is not fascinated. - Nuvales.

10. The mathematical method permeates and dominates all theoretical branches of the natural sciences. It is increasingly becoming the main measure of scientific achievement. - Von Newman.

11. Some beautiful theorems in mathematics have the property that they are easy to generalize from the facts, but the proofs are very hidden. Mathematics is the king of science. - Gauss.

12. The number of late sequences is not out of the gods, it is tangible and detectable, and there are numbers that can be deduced. Zu Chongzhi.

13. The unshakable cornerstone of mathematical sciences and the rich source of progress for the cause of mankind.

14. We must know, and we will know. Hilbert.

15. A person who does learning, in addition to learning knowledge, must also have tast, which is not very easy to translate, and some are translated into taste and love. For a person to achieve great things, he must have a fairly clear tast. Yang Zhenning.

16. If anyone does not know that the diagonal of a square is an irreducible quantity, then he is not worthy of the title of man. Plato.

17. After considering a few things, the whole thing boils down to pure geometry, which is a goal of physics and mechanics Leibniz.

18. In learning, we must dare to do subtraction, that is, subtract the part that has been solved by our predecessors, and see what problems have not been solved, and we need to explore and solve Hua Luogeng.

19. In the field of mathematics, the art of asking questions is more important than the art of solving problems. Condul.

<><1.The commutative law of addition: the addition of two numbers to exchange the position of the added number, and the sum is invariant. a+b=b+a

2.Associative law of addition: add three numbers with numbers, first add the first two numbers, or add the last two numbers first, and then add with the third number, and the sum is unchanged. a+b+c=a+(b+c)

3.Multiplicative commutative law: When two numbers are multiplied, the position of the exchange factor and the product remain unchanged. a×b=b×a

4.Multiplicative associative law: multiply three numbers, multiply the first two numbers, or multiply the last two numbers first, and then multiply the third number, and their product remains the same. a×b×c=（a×b)×c

5.Multiplicative distributive law: If two numbers are multiplied by the same number, you can multiply the two additives by this number, and then add the two products, and the result remains the same. For example: (2+4) 5=2 5+4 5

6.Nature of division: In division, the dividend and the divisor expand (or shrink) by the same multiple at the same time, and the quotient does not change. 0 divided by any number that is not 0 gives 0

7.Equation: The equation in which the value to the left of the equal sign is equal to the value to the right of the equal sign is called an equation. The basic property of an equation: both sides of the equation are multiplied (or divided) by an identical number at the same time, and the equation still holds.

8.Equations: Equations with unknowns are called equations.

9.Unary Equation: An equation that contains an unknown number and the number of unknowns is one-time, is called a unary equation. n yuan - n unknowns; m times - the highest power of an unknown number.

10.Fraction: The unit "1" is divided into several equal parts, and the number of such a part or fraction is called a fraction. 11.Addition, subtraction, multiplication and division of fractions:

Fractions with the same denominator are added and subtracted, and only the numerator is added and subtracted, and the denominator remains the same.

Fractions with different denominators are added and subtracted, first through the fractions, and then added or subtracted.

Multiplication of fractions: use the product of the numerator as the numerator and the product of the denominator as the denominator.

The division of fractions: dividing by a number is equal to multiplying by the reciprocal of that number.

12.Comparison of fraction size: Comparison of fractions with the same denominator, the large numerator is large, and the small numerator is small. Scores with different denominators are compared, first through the scores and then compared; If the numerator is the same, the larger denominator is smaller.

13.Multiply the fraction by an integer, and use the numerator of the fraction and the product of the integer multiplied as the numerator, and the denominator remains unchanged.

14.Multiply fractions by fractions, use the product of the multiplication of the numerators as the numerator, and the product of the multiplication of the denominator as the denominator.

15.The fraction divided by an integer (except 0) is equal to the fraction multiplied by the reciprocal of the whole number.

16.True Fraction: The fraction whose numerator is lower than the denominator is called the true fraction.

17.False fractions: Fractions whose numerator is greater than the denominator or whose numerator and denominator are equal are called false fractions. False score greater than or equal to 1

18.With fractions: Writing false fractions as integers and true fractions is called band fractions.

19.The basic properties of fractions: the numerator and denominator of fractions are multiplied or divided by the same number at the same time (except 0), and the magnitude of the fraction remains unchanged.

20.A number divided by a fraction is equal to the number multiplied by the reciprocal of the fraction.

21.The number A divided by the number B (except 0) is equal to the reciprocal of the number A multiplied by the number B.

4th Grade Math Handwritten Newspaper:

Fourth-grade math hand-copied newspaper content recommendation: fourth-grade interesting math stories.

When Gauss was still in the second grade of elementary school, one day his math teacher wanted to use the class time to deal with some personal matters, so he planned to solve a difficult problem for the students to practice. His title was:

Because addition has just been taught, the teacher thinks that it will take a long time for students to come up with this problem. You can also take this opportunity to deal with the unfinished business. But in the blink of an eye, Gauss had stopped writing and sat idlely.

The teacher saw it and angrily reprimanded Gauss.

But Gauss said he had already figured out the answer, which was 55. The teacher was startled and asked Gauss how he calculated it. Gauss replied

I just found out that the sum of 1 and 10 is and 9 and 8 and 7 and 6 and 11, and because 11+11+11+11+11=55, that's how I calculated. ”

After listening to this, the teachers and classmates all gave Gauss a thumbs up. Later, Gauss grew up and became a great mathematician.