Counting: Count with numbers to know the basic integer sequence.
Addition and subtraction: the basic concept and simple calculation of addition and subtraction, such as1+1= 2,2-1=1etc.
Basic geometry: the identification and distinction of plane figures (squares, triangles, circles).
Time and date: know the clock time and calendar, know the week, month and season, etc.
Second grade mathematics:
The concept and calculation of addition and subtraction;
Comparison of number sizes;
Basic concepts such as classification, sorting, comparison and combination;
Understanding, splitting and combination of two digits;
Measurement in daily life, such as time, length, weight, etc.
Simple basic concepts such as geometry, direction and position.
Third grade mathematics:
Further understanding, calculation and application of addition, subtraction, multiplication and division;
Understanding and application of integer 10 and integer 100;
Concepts and applications of fractions, clocks and calendars;
Understanding, splitting and combination of three digits;
Understanding and classification of plane graphics and three-dimensional graphics;
Collection, arrangement and display of data;
Understanding and application of quantitative relations, such as multiples, divisors, factors, etc.
Fourth grade mathematics:
Understanding and calculation of decimals;
Calculation, conversion and application of scores;
Understanding and application of the concepts of remainder division and multiple division;
Understanding and properties of geometric figures such as triangle, quadrilateral and circle;
Measurement and calculation of length, area and volume;
Statistical analysis and chart representation of data;
Understanding and application of quantitative relations such as time, speed and proportion.
Fifth grade mathematics:
Understanding, extension and application of decimal number;
Application of fractions, percentages and proportions;
Calculation and application of fractions and decimals;
Understanding and properties of geometric figures such as parallelogram, trapezoid and pyramid;
Concepts such as position relation, direction and projection in three-dimensional space;
Calculation of surface area and volume of three-dimensional graphics;
Statistical analysis, reasoning and prediction of data.
Sixth grade mathematics:
Algebraic knowledge, including positive and negative numbers, algebraic expressions, equations and inequalities;
Geometric knowledge, including triangle, cone, cylinder, sphere, geometric proof, etc.
Probability statistics, including the calculation of event probability, statistical sampling and result prediction;
Digital operation, including four operations of large numbers, calculation of fractions, decimals and percentages;
Knowledge of space, such as Euclidean geometry and analytic geometry;
Practical problems and practical problems.