Solve exercises on pages 94, 95, 96 of Math 3 Workbook 2, the book Connecting Knowledge with Life.

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Solve Math 3 exercises on pages 94, 95, 96 in Workbook 2.

Solving exercises on pages 94, 95, 96 of Math 3 Workbook 2, the book Connecting Knowledge with Life: Multiplying a five-digit number by a single-digit number.

Multiplying a five-digit number by a single-digit number

1. Solve Exercise 1 on Page 94 of Math 3 Textbook

2. Solve Exercise 2 on Page 94 of Math 3 Textbook

3. Solve Exercise 3 on Page 95 of Math 3 Textbook

1. Solve Exercise 1 on Page 95 of Math 3 Textbook

2. Solve Exercise 2 on Page 95 of Math 3 Textbook

3. Solve Exercise 3 on Page 95 of Math 3 Textbook

4. Solve Exercise 4 on Page 95 of Math 3 Textbook

1. Solve Exercise 1 Page 96 Mathematics Grade 3

2. Solve Exercise 2 Page 96 Mathematics Grade 3

3. Solve Exercise 3 on Page 96 of Math Workbook 3

4. Solve Exercise 4 on Page 96 of Math Workbook 3

Detailed solutions for exercises on pages 94, 95, 96 of Math 3 Workbook 2, the book Connecting Knowledge with Life: Multiplying a five-digit number by a single-digit number. Students can cross-reference their work. If unsure, refer to the guidance in the solutions before attempting the exercises.

Solve Math 3 exercises on pages 94, 95, 96 in Workbook 2.

Solving exercises on pages 94, 95, 96 of Math 3 Workbook 2, the book Connecting Knowledge with Life: Multiplying a five-digit number by a single-digit number.

Multiplying a five-digit number by a single-digit number

Activity

1. Solve Exercise 1 on Page 94 of Math 3 Textbook

Problem: Calculate.

Guidance: Perform multiplication of the second factor with each digit of the first factor from right to left.

Answer:

2. Solve Exercise 2 on Page 94 of Math 3 Textbook

Problem: Set up and calculate.

Guidance:
- Set up the calculation vertically so that digits in the same row align.
- Perform multiplication from right to left.

Answer:

3. Solve Exercise 3 on Page 95 of Math 3 Textbook

Problem: Each time, 15,250 kilograms of rice are transferred to the warehouse. How much rice is transferred into the warehouse after 3 times?

Guidance: To find the total kilograms of rice transferred after 3 times, multiply the kilograms of rice transferred each time by 3.

Answer:
For three transfers, the total kilograms of rice transferred is:
15,250 x 3 = 45,750 (kg)
Answer: 45,750 kg of rice.

Practice 1

1. Solve Exercise 1 on Page 95 of Math 3 Textbook

Problem: Number?

Solution Guide: To find the product, multiply one factor by the other.

Answer:

2. Solve Exercise 2 on Page 95 of Math 3 Textbook

Problem: Set up and calculate.

Solution Guide:
- Set up the calculation vertically so that corresponding digits are aligned.
- Perform multiplication from right to left.

Answer:

3. Solve Exercise 3 on Page 95 of Math 3 Textbook

Problem: Mentally calculate (following the example).

Solution Guide: Observe the example provided for mentally calculating the multiplication of thousands.

Answer:
a) 11 thousand x 9 = 99 thousand
11,000 x 9 = 99,000.
b) 21 thousand x 3 = 63 thousand
21,000 x 3 = 63,000.
c) 15 thousand x 6 = 90 thousand
15,000 x 6 = 90,000.

4. Solve Exercise 4 on Page 95 of Math 3 Textbook

Problem: There are three oil warehouses, each containing 12,000 liters of oil. 21,000 liters of oil have been transferred. How many liters of oil are left in the three warehouses?

Solution Guide:
Step 1: The number of liters of oil in three warehouses = Number of liters of oil in one warehouse x 3.
Step 2: Remaining liters of oil = Number of liters of oil in 3 warehouses - Number of liters of oil transferred.

Answer:
The three oil warehouses contain a total of:
12,000 x 3 = 36,000 (liters)
After transferring 21,000 liters of oil, the remaining liters of oil are:
36,000 - 21,000 = 15,000 (liters)
Answer: 15,000 liters.

Practice 2

1. Solve Exercise 1 Page 96 Mathematics Grade 3

Problem: Number?

Solution Guide: Perform calculations from left to right and then fill in the blanks with the results.

Answer:

2. Solve Exercise 2 Page 96 Mathematics Grade 3

a) Set up and solve.

b) Calculate the value of the expression.

Solution Guide:
a) - Set up the calculation with digits aligned vertically.
- Calculate from right to left.
b) When dealing with an expression involving addition and multiplication, perform multiplication first.

Solution:

b) 26,745 + 12,071 x 6 = 26,745 + 72,426
= 99,171

Furthermore, students can explore additional Grade 3 Math solutions, such as solving exercises on pages 98, 99, 100 in Mathematics Workbook 2, the book Connecting Knowledge with Life, to strengthen their understanding and tackle problems like dividing a five-digit number by a single-digit number.

See also: Solve exercises on pages 98, 99, 100 in Mathematics Workbook 2, the book Connecting Knowledge with Life

3. Solve Exercise 3 on Page 96 of Math Workbook 3

Problem: Viet bought 6 notebooks, each priced at 6,000 dong. Viet gave the saleswoman a 100,000 dong note. How much change does the saleswoman have to give back to Viet?

Solution:
Step 1: The cost of 6 notebooks = Price of each notebook x 6.
Step 2: The amount the saleswoman gives back to Viet = 100,000 dong - cost of 6 notebooks.

Answer:
The cost of 6 notebooks is:
6,000 x 6 = 36,000 (dong)
The saleswoman has to give back Viet an amount of:
100,000 - 36,000 = 64,000 (dong)
Answer: 64,000 dong.

4. Solve Exercise 4 on Page 96 of Math Workbook 3

Problem: In a seedling nursery, there are two seedbeds, each with 14,000 seedlings. In another nursery, there are 15,000 seedlings. How many seedlings are there in both nurseries?

Solution:
Step 1: Calculate the number of seedlings in the nursery with two seedbeds.
Step 2: The total number of seedlings in both nurseries = Number of seedlings in the first nursery + Number of seedlings in the second nursery.

Answer:
The number of seedlings in the nursery with two seedbeds is:
14,000 x 2 = 28,000 (seedlings)
The total number of seedlings in both nurseries is:
28,000 + 15,000 = 43,000 (seedlings)
Answer: 43,000 seedlings.

This solution guide for exercises on pages 94, 95, 96 of Math Workbook 3 Volume 2, Connecting Knowledge with Life, provides detailed explanations. We hope students can visualize the problem-solving approach, grasp the concepts thoroughly, and enhance their understanding.

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Frequently Asked Questions

What are the steps to multiply a five-digit number by a single-digit number?

To multiply a five-digit number by a single-digit number, start by aligning the numbers vertically. Then, multiply each digit of the five-digit number by the single-digit number, beginning from the rightmost digit to the left. Finally, add any carry-over values to get the final product.

How do I calculate the total kilograms of rice transferred after multiple transfers?

To find the total kilograms of rice transferred after multiple transfers, multiply the amount transferred in each instance by the total number of transfers. For example, if 15,250 kilograms are transferred three times, you would calculate 15,250 x 3 to get a total of 45,750 kilograms.

What should I do if I am unsure about my solutions in the Math 3 Workbook?

If you're unsure about your solutions in the Math 3 Workbook, it's advisable to cross-reference your answers with the provided solution guide. This will help you identify any mistakes and understand the correct methods for solving the exercises.

What is the procedure for calculating change after a purchase in the Math exercises?

To calculate change after a purchase, first determine the total cost of the items bought. Then subtract this total from the amount given to the cashier. For instance, if the cost is 36,000 dong and 100,000 dong is given, the change would be 100,000 - 36,000, resulting in 64,000 dong.

How can I strengthen my understanding of grade 3 mathematics concepts?

To strengthen your understanding of grade 3 mathematics concepts, engage in additional practice by solving exercises in the workbook, particularly those on pages 98, 99, and 100. Additionally, focus on understanding problem-solving strategies and the relationships between different mathematical operations.

Why is it important to align digits vertically when performing multiplications?

Aligning digits vertically when performing multiplications is crucial because it ensures that corresponding place values are correctly matched. This alignment helps prevent errors and makes it easier to carry over values during calculations, leading to more accurate results.