Question 1: The sun sets and the sunset glow is red. I put the chicken in the cage. Half of the chickens are in cages, five are catching bugs, and the other five are buzzing around me. Children, let's count. How many chickens are there in the cage?
Expert analysis: examine the thinking of seeking difference. Parents can encourage children to pose with their hands and cultivate their ability to solve problems with their hands.
Question 2: It takes a cat 1 minute to eat a fish. So, how many minutes does it take for 100 cats to eat 100 fish at the same time? It takes five minutes for five children to eat five apples at once. At this rate, how many minutes will it take for 10 children to eat 10 apples at the same time?
Expert analysis: test common sense. The time for an individual to complete a thing is constant. Parents can guide their children to observe the time for completing things at the same time, and then carry out topics in different categories.
Question 3: Xiaohua has 10 red balloons, and Xiaohua has 8 yellow balloons. Xiaohua exchanged four red balloons for three yellow balloons for Xiaohua. How many balls does Kobanawa Xiaohua have now?
Expert analysis: examine the thinking of seeking difference. Parents can encourage children to pose with their hands and cultivate their ability to solve problems with their hands.
Question 4: 13 children have caught five "chickens" by playing the game of "the eagle catches the chicken". How many didn't get caught? /It's getting late. Mom asked Xiao Ming to turn on the light in the room, but the naughty Xiao Ming pulled the switch nine times in a row. Can you tell me whether the light is on or off at this time? What about 20? 100?
Expert analysis: test common sense. The time for an individual to complete a thing is constant. Parents can guide their children to observe the time for completing things at the same time, and then carry out topics in different categories.
Question 5: Xiaoqing has 9 story books, Xiao Xin has 7 comic books, and Xiaoqing traded 3 story books for 2 comic books in Xiao Xin. How many books do Xiaoqing and Xiao Xin have now?
Expert analysis: examining computing power. Parents can ask their children to draw a circle to solve problems, and the process of drawing a circle by hand is also a process of transforming concrete thinking into abstract thinking.
Question 6: Xiao Min goes to the store to buy stationery. She bought 1 pencil with half of the money she brought, the remaining half bought 1 ballpoint pen, and the remaining 1 yuan. How much money does Xiao Min have? /Huanhuan and Lele went to buy exercise books. Huanhuan bought four books and Lele bought six. Huanhuan spends less than Lele 1 yuan. How much is the exercise book? /Miss Li has money from 60 yuan, just to buy a football and two volleyballs. If you only buy two volleyballs, there will be 28 yuan left. How much is a football? How much is a volleyball?