In the specialized section Solving 4th grade math problems on pages 10 and 11 of the Kite Wings Volume 1 book, the editorial board of Mytour will guide students on how to solve problems related to data using observation methods and answering questions, while also practicing the skills of distinguishing and naming objects and phenomena.
Refer to other 4th grade Math Solving resources:
- 4th Grade Math Solving Kite Wings Book
Solving 4th Grade Math Problems Kite Wings Volume 1 Pages 10, 11
Exercise 3: Review of some statistical and probability factors
Solving 4th Grade Math Problems Kite Wings Volume 1 Page 10
1. Solve problem 1 - Kite Wings 4th Grade Volume 1 Page 10
Problem Statement:
Observe the following illustration chart and then answer the questions:
On Saturday:
a) Which types of plants did the store sell?
b) How many cacti did the store sell?
c) Which type of plant did the store sell the most?
d) How many times did the store sell the number of jasmine plants compared to the number of lily plants?
Solution Method:
- Calculate the number of each type of plant sold by the store = Number of green plant symbols of that type x 4
- Compare and then answer the question
Answer:
2. Solve problem 2 - Kite Wings 4th Grade Volume 1 Page 10
Problem Statement:
The number of students taking the school bus to school in class 4C of an elementary school is recorded as follows:
Observe the statistical table:
a) Answer the questions:
- How many students take the school bus to school on Monday?
- Which day has the most students taking the school bus to school? Which day has the fewest students taking the school bus to school?
b) Pose additional questions based on the information obtained in the statistical table above.
Solution Method:
Observe the statistical table to answer the questions.
Answer:
a) - On Monday, there are 16 students taking the school bus to school.
- Wednesday has the most students taking the school bus to school (17 students), Friday has the fewest students taking the school bus to school (12 students)
b) You can pose additional questions as follows:
- Which days have the same number of students taking the school bus to school?
Answer: Tuesday and Thursday
- Are there more or fewer students taking the school bus to school on Monday compared to Thursday? Specifically, how many more/less?
Answer: more: 16 - 15 = 1 (student)
Solving 4th Grade Math Problems Kite Wings Volume 1 Page 11
3. Solve problem 3 - Kite Wings 4th Grade Volume 1 Page 11
Problem Statement:
Thao was assigned to record the temperature at 10 a.m. of all days in a week as shown in the table below:
Observe the statistical table above and answer the following questions:
At 10 a.m.:
a) What is the temperature on Tuesday in degrees Celsius?
b) What is the temperature on Sunday in degrees Celsius?
c) What is the highest temperature of the week in degrees Celsius?
d) Which day of the week has the lowest temperature?
e) What is your observation about the temperature of the early days of the week and the end of the week?
Solution Method:
Observe the statistical table to answer the questions.
Answer:
a) The temperature on Tuesday is 21 degrees Celsius.
b) The temperature on Sunday is 27 degrees Celsius.
c) 20 is less than 21, which is less than 23, which is less than 26, which is less than 27, which is less than 28.
The highest temperature of the week is 28 degrees Celsius.
d) Wednesday has the lowest temperature (20 degrees Celsius).
e) The temperatures of the early days of the week are lower than the temperatures of the end of the week.
4. Solving Problem 4 - Kite Wings Grade 4 Workbook Page 11
Problem Statement:
When An spins the spinner once. When the spinner stops, the arrow will point to a colored section. According to you, what are the possibilities for the arrow to point to which colored section?
Solution Method:
- Observe the colors available on the spinner.
- Describe the possibilities for the arrow to point to which colored section.
Answer:
There are 4 possible outcomes for the arrow as follows:
+ The arrow can point to the purple section
+ The arrow can point to the red section
+ The arrow can point to the blue section
+ The arrow can point to the yellow section
Các bạn đang xem hướng dẫn Giải toán lớp 4 trang 10,11 Cánh Diều tập 1 Ôn tập về một số yếu tố thống kê và xác suất, bài 3, bạn có thể xem lại Giải toán lớp 4 trang 8, 9 sách Cánh Diều tập 1 - Bài 2. Ôn tập về hình học và đo lường hoặc xem trước phần Giải toán lớp 4 trang 12, 13 sách Cánh Diều tập 1 - Bài 4. Các số trong phạm vi 1 000 000 để hiểu hơn về bài học. Chúc các bạn học tốt môn toán.
