Maths
IN MATHS,there are four operations.They are called addition,subtraction,multipication and devision.Adding is bassiclly finding the total of numbers.Subtraction is making the number less then the number is.Multipication timesing the number by using the multiple.Division is when you find the missing number.
In other unites you will have diffrent 2d shapes and 3d shapes .2d shapes examples are triangles,squares,rectangles and circles.3d shapes are spheres and hexagon.