Dynamic mathematics, vivid demonstration animations, let you see the mathematical thinking and principles of addition, subtraction, multiplication and division, fractions, geometry, operation laws, and equations.

Contains six modules:
1. Numbers and operations: understanding 1~100, addition, subtraction, multiplication, division, decomposition of numbers, addition of tens, addition of hundreds, subtraction of tens, subtraction of tens, multiplication of tens, and multiplication of tens , Hundreds by ten, hundreds by ones, thousands by ten;
2. Score: What is a score? , Fraction addition, fraction subtraction, fraction multiplication, fraction division;
3. Geometric figures: the perimeter of a square, the perimeter of a rectangle, what is the area? , The area of ​​a square, the area of ​​a rectangle, the area of ​​a parallelogram, the area of ​​a triangle, the area of ​​a trapezoid, the sum of the inner angles of a triangle, what is a circle? Radius×2=diameter, what is pi? , The perimeter and area of ​​the circle;
4. Decimal operations: decimal addition, decimal subtraction, decimal multiplication, decimal division;
5. The law of operation: the commutative law of addition, the law of combination of addition, the commutative law of multiplication, the law of combination of multiplication, the law of distribution of multiplication;
6. Equations: the meaning of equations, operations of one-dimensional linear equations, etc.;