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To reinforce the lesson on Numbers up to a Million and make homework exercises 1, 2, 3... easier, students can refer to the instructional materials for Solving 4th Grade Math Problems on Pages 114-117, Workbook 1 of KNTT Series provided below.
Explore additional helpful Math 4 resources:
- Solving 4th Grade Math Problems in Connect Knowledge Series
- Solving 4th grade math problems on pages 60, 61 of CTST Workbook 1 - Exercise 25: Million - Million Class
Solving 4th Grade Math Problems on Pages 114-117, Workbook 1 of Connect Knowledge Series
Exercise 33: Reviewing Numbers up to a Million
Solving Math Problems Grade 4 Workbook 1 SGK, KNTT Book: Practice Pages 114, 115
Solution to Exercise 1 on Page 114 of Mathematics Grade 4 Workbook 1 Connect Knowledge Series
Problem: Below is the population of a province, city in 2019 (according to the General Statistics Office). Read the populations of these provinces, cities.
Solution:
Solution for Exercise 2 on Page 115 Mathematics Grade 4 Workbook 1 Connect Knowledge Series
Problem: Given the number 517,906,384.
a) State the digits in the millions place of the given number.
b) List the digits in the thousands place of that number.
c) List the digits in the ones place of that number.
d) Read that number.
Solution:
b) What is the number?
a) Express each number 45,703; 608,292; 815,036; 5,240,601 as a sum (according to the pattern).
Pattern: 45,703 = 40,000 + 5,000 + 700 + 3
b) What is the number?
50,000 + 6,000 + 300 + 20 + ..?.. = 56,327
800,000 + 2,000 + ..?.. + 40 + 5 = 802,145
3,000,000 + 700,000 + 5,000 + ..?.. = 3,705,090
Solution:
Solution for Exercise 4 on Page 115 of Mathematics Grade 4 Workbook 1 Connect Knowledge Series
Problem: Number?
Solution:
Solution for Exercise 5 on Page 115 of Mathematics Grade 4 Workbook 1 Connect Knowledge Series
Problem: Can you solve this?
Given a three-digit number. When the digit 2 is added before the number, how many units greater is the new number than the given number?
Solution:
Mathematics Grade 4 Workbook 1 SGK, KNTT Book: Practice Pages 115, 116, 117
Solution for Exercise 1 on Page 115 of Mathematics Grade 4 Workbook 1 Connect Knowledge Series
Problem:
Solution:
Solution for Exercise 2 on Page 116 of Mathematics Grade 4 Workbook 1 Connect Knowledge Series
Problem: The following table provides statistics on the number of tourist arrivals from some Southeast Asian countries to Vietnam in 2019 (according to the 2019 Statistical Yearbook).
a) Which country had the highest number of tourist arrivals to Vietnam?
b) Which country had the lowest number of tourist arrivals to Vietnam?
b) How does the number of tourist arrivals to Vietnam from Cambodia compare to the number of tourist arrivals from other countries listed above?
Solution:
Solution for Exercise 3 on Page 116 Mathematics Grade 4 Workbook 1 Connect Knowledge Series
Problem: According to the 2020 Statistical Yearbook, the total number of elementary school students nationwide as of September 30, 2020 was 8,891,344 students.
a) When rounding the number of students to the nearest hundred:
Nam says: There are approximately 8,891,400 students.
Viet says: 'There are approximately 8,891,300 students.'.
According to me, who is correct?
b) Each of the friends below rounded the number of students to which place value?
Solution:
Solution for Exercise 4 on Page 117 of Mathematics Grade 4 Workbook 1 Connect Knowledge Series
Problem: In the electronics store, the saleswoman mistakenly placed price tags for four types of computers as follows:
Knowing that computer C has the lowest price, computer B has a lower price than computer D but higher than computer A. Help the saleswoman determine the correct prices for each computer.
Solution:
Here is the solution for 4th Grade Math of KNTT on pages 114, 115, 116, 117, helping students revise numbers up to a million. You can also refer to Solution for 4th Grade Math on pages 118, 119, 120 of KNTT Series - Exercise 34: Review addition, subtraction or review Solution for 4th Grade Math on pages 110, 111, 112, 113 of KNTT Series - Exercise 32: Focus practice to reinforce knowledge.
