Theme: Xiaoming has three apples, and Xiaohong gave him five apples. How many apples does Xiaoming have?

Problem solving skills: Add the number of apples given by Xiaoming and the number of apples given by Xiaohong to get the answer.

Subject: A number 5 greater than 12. What's this number?

Problem solving skills: You can get the answer by subtracting 5 from 12.

Subject: If a bird flies 2 kilometers a day, how many kilometers will it fly after 7 days?

Problem-solving skills: Multiply the distance a bird flies every day by the total number of days to get the answer.

Theme: Xiaoming cut a 6-meter-long rope into two sections, one of which is 3 meters long. How long is the other paragraph?

Problem-solving skills: using subtraction operation, subtract the length of the known segment from the total length of the rope to get the answer.

Subject: Li Hua bought three books, and the price of each book is 8 yuan. How much did he spend?

Problem solving skills: multiply the price of each book by the number of purchases to get the answer.

Subject: If 15 apples are distributed to three people equally, how many apples can each person get?

Problem solving skills: divide the total number of apples by the number of people to get the answer.

Pattern: The rectangle is 5cm in length and 2cm in width. How many square centimeters is it?

Problem solving skills: multiply the length and width of a rectangle by multiplication to get the answer.

Motif: Wang Mingyou 10 yuan. He bought a drink and spent 4 yuan. How much money does he have left

Problem-solving skills: Subtract the amount spent from the initial amount to get the answer.

Subject: If one year is 2020, what year is the next year?

Problem solving skills: Add 1 to a given year to get the answer.

Motif: Xiaohong's father gives her 5 yuan pocket money every day, 30 days a month. How much pocket money does Xiaohong have after one month?

Problem-solving skills: Multiply the daily pocket money by the number of days to get the answer.