playing card designer addition and subtraction (a): with 3, the addition can be increased to a group of two, adding around. 16, recognizing the time: the same 8 17, to find the law: parents
purposefully drawn 10 cards, put on a set of numbers, the children find the law. Timing. 18 Statistics: with 5. Also can be any number as a benchmark, the number of statistics than it is large or
small number. China playing card museum small two: 19 units of length: 4 cards at random, according to the first unit of meters, the second is decimeter, centimeter third, fourth mm, the front and
rear addition and subtraction. Timing. 20,100 less than addition and subtraction (two): the same 15 21, an initial understanding of angles: head, watching the cross-sectional card playing card
playing card, the two form a corner, you can change the size. 22, the multiplication table (a): 10 random cards, a set of two, multiplied around. Timing. 23, observation of objects: picking out two
identical cards, observe the