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Solving Math for Grade 3, pages 62, 63 SGK Volume 2
Math Problem-Solving: Solve exercises on pages 62 and 63 of Math 3 Textbook Volume 2, connecting knowledge with life.
Comparing Numbers within 100,000
Activity 1
1. Solve Exercise 1 on Page 62 Math 3 Textbook Grade 3
Problem: D, S?
Solution Guide:
- The number with more digits is greater.
- If two numbers have the same number of digits, compare the digits in each position from left to right.
Answer:
a) D
b) S
c) D
2. Solve Exercise 2 on Page 62 Math 3 Textbook Grade 3
Solution Guide: Compare pairs of digits in each position from left to right.
Answer:
3. Solve Exercise 3 on Page 62 Math 3 Textbook Grade 3
Problem: A magical tree produces fruits of different colors. A monkey will climb branches marked with higher numbers to get the fruit. What color fruit will the monkey get?
Solution Guide: Compare the numbers on each branch, then choose the branch with a higher number to determine the color of the fruit the monkey will get.
Answer:
Practice
1. Solve Exercise 1 on Page 63 Math 3 Textbook Grade 3
Problem: Four districts A, B, C, D have populations:
District A: 73,017 people District B: 78,655 people;
District C: 75,400 people District D: 73,420 people.
a) Arrange the numbers in ascending order.
b) Which district has the highest population?
c) Which district has the lowest population?
Solution Guide: Compare the population numbers in the districts and respond to the problem requirements.
Answer:
The numbers are arranged in ascending order: 73,017; 73,420; 75,400; 78,655.
b) District B has the highest population.
c) District A has the lowest population.
2. Solve Exercise 2 on Page 63 of Math 3 Textbook
Problem: Below are the seating capacities of some stadiums in Vietnam.
a) Which stadium has the largest and smallest seating capacity?
b) Which stadium has a seating capacity of over 40,000 people?
Solution Guide: Compare the seating capacities of the stadiums to answer the questions.
Answer:
3. Solve Exercise 3 on Page 63 of Math 3 Textbook
Problem: The odometer of a motorcycle indicates the number of kilometers the motorcycle has traveled. Below are the odometers of three motorcycles:
Which motorcycle has traveled the most kilometers? Which motorcycle has traveled the fewest kilometers?
Solution Guide: Compare the number of kilometers on the three odometers and answer according to the requirements of the problem.
Answer:
- Explore more: Solve exercises on page 65 of Math 3 Textbook Volume 2, part of the series Connecting Knowledge with Life
4. Solve Exercise 4 on Page 63 of Math 3 Textbook
Problem: Find the appropriate digit.
Guidance: Determine the appropriate digit based on comparing two numbers.
Answer:
The solution guide for exercises on pages 62 and 63 of Math 3 Textbook Volume 2, part of the series Connecting Knowledge with Life, is very helpful, isn't it? Parents can also refer to it to guide their children in completing exercises based on the lesson content.
