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In this guide to 4th-grade math on pages 61-62 of 'Sky Wings' Part 1, Mytour provides step-by-step instructions for students to understand real-world information and provide accurate answers to questions about data. Learn problem-solving techniques by interpreting images to answer questions.
Explore more 4th-grade math resources:
- 4th-grade math solutions in 'Sky Wings' book
Solving 4th-grade math in 'Sky Wings' Part 1, pages 61-62
Exercise 25: Joyful Math Learning
1. Solve Exercise 1 - 'Sky Wings' Grade 4 Book 1 Page 61
Problem Statement:
Explore some real-world information using multi-digit numbers and discuss it with a friend:
Solution Method:
Explore real-world scenarios
Answer:
- Rhinoceros is the second-largest land animal on Earth. In 1900, an estimated 500,000 rhinos existed in the wild. However, due to illegal hunting, today's estimate is only 27,000 rhinos.
- Earth is approximately 149,597,876 km away from the Sun.
- The number of tourists from Thailand visiting Vietnam in 2019 was 509,800.
2. Solve Exercise 2 - 'Kite Wings' Grade 4 Book 1 Page 61
Problem Statement:
a) Explore information about the population of various countries worldwide as of September 17, 2022, in the table below:
b) Observe the table and perform the following tasks:
- Which countries have a population exceeding 100 million?
- Which countries have a population less than 100 million?
- Read the names of countries in order from the most populous to the least populous.
Solution Method:
Observe the table to answer the question
Answer:
- Countries with a population exceeding 100 million: United States, Russia
- Countries with a population less than 100 million: France, Vietnam
- Read the names of countries in order from the most populous to the least populous: United States, Russia, Vietnam, France.
3. Solve Exercise 3 - 'Kite Wings' Grade 4 Book 1 Page 62
Problem Statement:
Discuss the following information:
Answer the questions:
- What information does athlete with code 3E40 provide?
- Using the method described above, how is athlete number 09 classified in Class H, Grade Four?
Solution Method:
Observe the illustration to answer the question
Answer:
The code for students will be written in the following order: Grade level (e.g., 1, 2, 3, 4, or 5), class (A, B, C, D, ...), serial number.
For student number 37, Grade Four, Class D, the code is: 4D37
For student number 06, Grade Five, Class A, the code is: 5A06
Athlete with code 3E40 provides information: This is athlete number 40 studying in Grade Three, Class E.
Athlete number 09, studying in Grade Four, Class H, is assigned the code: 4H09
4. Solve Exercise 4 - 'Kite Wings' Grade 4 Book 1 Page 62
Problem Statement:
a) Use identical small cubes, practice assembling them into larger cubes, and record the number of small cubes used.
Example: Use 8 small cubes to assemble into a large cube (as shown in the picture).
b) Minh designs a puzzle game assembling crossword shapes with a code where letters correspond to the number of cubes used to assemble each shape. Discuss to find that crossword.
Solution Method:
Observe the illustration to answer the question
Solution:
a) You can use 27 small cubes to assemble into a large cube as follows:
b) Counting the small cubes in each shape and filling in as follows:
Crossword: RED SQUIRREL
You are currently exploring the guide to solve 4th-grade math on pages 61 and 62 of 'Kite Wings' part 1. Review the instructions for solving 4th-grade math on pages 59 and 60 of 'Kite Wings' part 1 - Exercise 24. Refresh your memory on what you've learned by revisiting Exercise 24 or preview the guidance for solving 4th-grade math on pages 64, 65, 66 of 'Kite Wings' part 1 - Exercise 26. Addition and subtraction to gain a deeper understanding of the lesson.
Wishing you all success in your math studies.
