The concept and operation of number
Digital operation within 10, numbers, written digital symbols, combination and decomposition of numbers, addition and subtraction of numbers within 10.
Set summation mode
Settings, mode.
Classification and statistics
Classification and statistics.
geometrical shape
Plane graphics: circle, square, triangle, rectangle, semicircle, ellipse, trapezoid, three-dimensional graphics: sphere, cylinder, cube, cuboid, and the relationship and equal division between shapes.
Quantitative comparison and natural measurement
Compare the differences in size, length, thickness, height, thickness, width, weight and volume, the conservation of perceived quantity, the relativity and transmissibility of quantity, and natural measurement.
Space and time
Spatial orientation: up, down, front, back, left, right, inside, outside, far, near, etc. Direction of spatial movement: forward, backward, left, right, upward, downward, etc. Distinguish the names and order of morning, night, day, night, past, present, Ming, week and year, and know the clock: