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Guide to solving exercises on pages 11 and 12 of Math 4, including solving methods
1. Solve Exercise 1 on pages 11 and 12 of Math 4 textbook
Solution Method:
Remember the rules:
- Writing numbers (with given pronunciation):
+ Identify the classes
+ Identify the numbers belonging to corresponding classes.
- Writing numbers (knowing the row in descending order):
+ Determine the values of rows (look at the table)
+ Rewrite into complete numbers in the Write number column.
- Reading numbers:
+ Split the given number into classes
+ Read following the rules of reading numbers with three digits accompanied by the name of the class.
2. Solve Exercise 2 on pages 11 and 12 of Math 4 textbook
Solution Method:
1. Reading numbers
- Split the given number into classes
- Read following the rules of reading numbers with three digits accompanied by the name of the class.
2. Determining which row, which class:
- Quickly create a table to separate numbers into classes, within each class further separate into rows (each class will include 3 rows)
- Place the corresponding digits of each number into the rows, thereby determining the position of the digits to be determined.
Answers:
a)
+) 46 307 reads as: forty-six thousand three hundred seven.
The digit 3 in 46 307 belongs to the hundreds, units class.
+) 56 032 reads as: fifty-six thousand thirty-two.
The digit 3 in 56 032 belongs to the tens, units class.
+) 123 517 reads as: one hundred twenty-three thousand five hundred seventeen.
The digit 3 in 123 517 belongs to the thousands, thousands class.
+) 305 804 reads as: three hundred five thousand eight hundred four.
The digit 3 in 305 804 belongs to the thousands, thousands class.
+) 960 783 reads as: nine hundred sixty thousand seven hundred eighty-three.
3. Solve Exercise 3 on pages 11 and 12 of Math 4 textbook
Problem:
Write the following numbers as sums (according to the model):
52 314 ; 503 060 ; 83 760 ; 176 091.
Model: 52 314 = 50000 + 2000 + 300 + 10 + 4
Solution Method:
Rule: Analyze the given number into the sum of corresponding digits (hundreds of thousands, tens of thousands, thousands, hundreds, tens, units,...).
Answers:
503 060 = 500 000 + 3000 + 60.
83 760 = 80 000 + 3000 + 700 + 60.
176 091 = 100 000 + 70 000 + 6000 + 90 + 1.
4. Solve Exercise 4 on pages 11 and 12 of Math 4 textbook
Problem:
Write the number, knowing that it consists of:
a) 5 hundred thousand, 7 hundred, 3 tens, and 5 units;
b) 3 hundred thousand, 4 hundred, and 2 units;
c) 2 hundred thousand, 4 thousand, and 6 units;
d) 8 tens thousand and 2 units.
Solution Method:
Step 1: Record the digits in descending order
Example for part a): List as follows: Hundred thousands, hundred, tens, units
Step 2: Determine the specific values of each digit, then write the corresponding values into that digit
Example:
- Hundred thousands digit: 5
- Hundred digit: 7
- Tens digit: 3
- Units digit: 5
=> Write the number: 500 753
Answers:
a) 500 735; c) 204 060;
b) 300 402; d) 80 002.
Short Guide to Solve Exercises on pages 11,12 Math 4
In the Math 4 curriculum, solving exercises on pages 53 and 54 is one of the crucial topics that students need to focus on and enhance to improve their Math 4 solving skills.
The detailed content of the Math 4 problem-solving section on page 49 has been thoroughly instructed for students to refer to and prepare for better Math 4 practice.
Students have already practiced Math 4 exercises on page 10 - Practice, dealing with six-digit numbers to familiarize themselves with basic numbers in the previous exercises. The content in solving grade 4 math problems with Rows and Classes includes what and how to present it is something that most students and teachers are curious about. In the solution content of grade 4 math topic Rows and Classes, from the theoretical support for the process of consolidation and review to the exercise section and detailed exercise guidance, helping students to improve their math skills as well as supplement themselves with the fastest problem-solving methods, applying them to the process of solving homework, making solving exercises on page 11 of math 4 textbook easier and more effective.
Next, let's follow the solution for grade 4 math exercises on pages 13, 14 of the textbook - Million and Million classes in the next article. Let's explore and apply for better learning outcomes.
Above is the solution for exercises on pages 11, 12 of Math 4 textbook in the section of solving grade 4 math exercises. Students can review the solution for exercises on page 10 of Math 4 textbook that has been solved before or preview the solution for exercises on page 13 of Math 4 textbook to study grade 4 math better.
