1. Use number pairs to indicate the position of an object.
2. Use several pairs to determine the position on the grid paper.
The meaning and calculation method of fractional multiplication integer 1 the meaning and calculation method of fractional multiplication integer
Example 2 Simple Algorithm for Fractional Multiplication of Integers
Significance and Calculation Method of Fraction Multiplying Fraction Example 3 Significance and Calculation Method of Fraction Multiplying Fraction
Example 4 Simple Algorithm of Fraction Multiplying Fraction
Algorithm and Simple Calculation Example 5 Fractional Multiplication Algorithm
Example 6 Simple Calculation of Fractional Mixed Operation
The meaning and calculation method of fractional multiplication integer 1 the meaning and calculation method of fractional multiplication integer
Example 2 Simple Algorithm for Fractional Multiplication of Integers
Significance and Calculation Method of Fraction Multiplying Fraction Example 3 Significance and Calculation Method of Fraction Multiplying Fraction
Example 4 Simple Algorithm of Fraction Multiplying Fraction
Algorithm and Simple Calculation Example 5 Fractional Multiplication Algorithm
Example 6 Simple Calculation of Fractional Mixed Operation
The meaning of the reciprocal of 1
Example 2 Solution of Reciprocal
1 the meaning of fractional division
Example 2 Calculation Method of Fractional Division
Example 3
Example 4 Fractional Elementary Arithmetic Example 1 We already know what the fraction of a number is, so how do we find this number?
Example 2 Finding a number by knowing its score is a slightly complicated problem.
The meaning of the first section ratio
The Basic Properties of 1 Ratio Section II
Example 2 Application of Proportion in the Third Section
Example of recognizing a circle 1 Draw a circle with a general object.
Example 2 Understand the circle through the operation of folding the circle.
Draw a circle with compasses
Example 3 Understand that a circle is an axisymmetric figure.
Explore the circumference formula and pi.
1 Calculation of the circumference of a circle
A probe into the area formula of a circle.
1 Calculation of circular area
Example 2 Calculation of Circle Area