Example ① 19 1 1÷3=? Answer: Phytolacca acinosa and Panax notoginseng. The riddle is division, and the result is 637, so the riddle "Phytolacca acinosa and Panax notoginseng" is the solution of "quotient is 637".
Example 210000 ÷10 =1000 (shutter, guess idiom) Answer: ever-changing. According to the rules of scrolls, "ever-changing" should be pronounced as "changing thousands into thousands", which is exactly the same as the riddle formula, that is, changing "ten thousand into thousands"
Example 310002 =100×100×100 (guess idioms) Answer: leave no stone unturned. That is, "the square of thousands is calculated in units of hundreds." In this way, it coincides with the riddle.
As can be seen from the above three cases, the math puzzle mainly adds a little simple math knowledge, and its guessing method is still the same as the general guessing method.
Observing teaching activities in kindergarten is an important way for teachers' professional growth, and it is also a good opportunity for