Summary of the content of fractional multiplication in the first volume of sixth grade mathematics of primary school published by People's Education Press

1 and fractional multiplication of integers have the same meaning as integer multiplication, and they are both simple operations to find the sum of several identical addends.

2. Fractions are multiplied by integers, and the product of the multiplication of fractions and integers is taken as the numerator, and the denominator remains unchanged.

3. A number multiplied by a fraction can be regarded as finding a fraction of this number.

4. The product of the numerator of integral multiple fraction is not used as numerator, and the denominator remains unchanged.

5. Fractions are multiplied by fractions, the product of numerator multiplication is numerator, and the product of denominator multiplication is denominator.

6. Multiplication is used to find the specific quantity corresponding to the number of points. In other words, the unit has been multiplied by the quantity.

7. Fraction multiplied by integer: the denominator is unchanged, and the product of numerator and integer is multiplied. What is a fraction?

8. Fraction multiplied by integer: denominator multiplied by denominator, numerator multiplied by numerator. What's the score?

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