Solving 4th Grade Math on Page 151 - Practice

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Guidance for Solving 4th Grade Math on Page 151 - Practice (Including Solution Methods)

2. Solve 4th-grade math on page 151 - Exercise 2

3. Solve 4th-grade math on page 151, Exercise 3

4. Solve 4th-grade math exercise on page 151, Exercise 4

Solve 4th-grade math on page 151 with comprehensive study materials, sharpen problem-solving skills, and learn techniques to find two numbers given their difference and ratio. Through this scientifically presented article, students can refer to grasp problem-solving methods and find the correct answers for their exercises.

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Guidance for Solving 4th Grade Math on Page 151 - Practice (Including Solution Methods)

1. Solve 4th-grade math on page 151 - Exercise 1

Problem: The difference of two numbers is 24. The ratio of the two numbers is 3/5. Find the two numbers.

Solution Method:

- Step 1: Draw a diagram. Consider the first number (small number) composed of 3 equal parts. Thus, the second number (large number) will consist of 5 equal parts, as shown in the diagram.

- Step 2: Find the difference between the equal parts.

- Step 3: Find the value of one part.

- Step 4: Find the values of the first and second numbers through the difference between equal parts.

Answer:

We have the diagram:

According to the diagram, the difference between equal parts is:

2 (parts)

The smaller number is:

24 divided by 2 multiplied by 3 equals 36

The larger number is:

36 plus 24 equals 60

Answer: Smaller number: 36

The larger number is 60

2. Solve 4th-grade math on page 151 - Exercise 2

Problem:

People use 250 more colored bulbs than white bulbs. Find the number of bulbs of each type, knowing that the number of colored bulbs is 5/3 times the number of white bulbs.

Solution Method:

- Step 1: Draw a diagram: Assume the number of white bulbs is divided into 3 equal parts. According to the problem, the number of colored bulbs will be divided into 5 equal parts.

- Step 2: Calculate the value of one part based on the difference between equal parts

- Step 3: Calculate the values of white bulbs and colored bulbs based on the value of one part

Answer:

We have the following diagram:

According to the diagram, the difference between equal parts is:

2 (parts)

The number of white bulbs is: 250 divided by 5 multiplied by 3 = 375 (bulbs)

The number of colored bulbs is: 375 plus 250 = 625 (bulbs)

Answer: 625 colored bulbs

375 white bulbs

3. Solve 4th-grade math on page 151, Exercise 3

Problem:

Class 4A has 35 students, and class 4B has 33 students participating in tree planting. Class 4A planted 10 more trees than class 4B. Find how many trees each class planted, knowing that each student planted the same number of trees.

Solution Method:

- Step 1: Calculate the difference in the number of students between classes 4A and 4B

- Step 2: Calculate the average number of trees each student planted

- Step 3: Calculate the number of trees each class planted based on the average number of trees each student planted

Answer:

The number of students in class 4A more than in class 4B is:

35 – 33 = 2 (students)

The number of trees each student planted is:

10 : 2 = 5 (trees)

The number of trees class 4A planted is:

5 x 35 = 175 (trees)

The number of trees class 4B planted is:

175 – 10 = 165 (trees)

Answer: Class 4A: 175 trees

Class 4B: 165 trees

4. Solve 4th-grade math exercise on page 151, Exercise 4

Problem:

Present the problem and solve it using the following diagram:

Method:

Step 1: Present the problem statement: Find the larger and smaller numbers when the ratio between two numbers is 5/9, and the difference between them is 72.

Step 3: Calculate the difference between equal parts

Step 4: Calculate the values of the larger and smaller numbers based on the difference between equal parts

Answer:

Problem: Two numbers have a difference of 72. The ratio between the two numbers is 5/9. Find the two numbers.

According to the diagram, the difference between equal parts is:

4 (parts) is the difference between equal parts according to the diagram.

The smaller number is:

90 is the result of 72 divided by 4 and multiplied by 5.

The larger number is:

The sum of 90 and 72 equals 162.

Answer: The smaller number is 90.

The larger number is 162.

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Above is the section for solving 4th-grade math on page 151 practice, solving math 4 page 151 practice in the section of solving 4th-grade math exercises. Following this, students can review the section Solving 4th-grade math on pages 150, 151 previously solved or preview the section Solving 4th-grade math on page 152 practice focus to excel in the subject of 4th-grade Math

Frequently Asked Questions

What are the steps to find two numbers given their difference and ratio?

To find two numbers given their difference and ratio, first, draw a diagram to represent the numbers. Then, calculate the value of one part based on the difference. Finally, use this value to determine the specific values of the two numbers.

How can students solve 4th-grade math problems on page 151 effectively?

Students can solve 4th-grade math problems on page 151 effectively by understanding the problem statement, using diagrams for visual representation, and applying systematic steps for calculations to find the correct answers.

What is the method to calculate the number of bulbs of each type in exercise 2?

In exercise 2, calculate the number of bulbs of each type by first determining the number of white bulbs. Then, find the number of colored bulbs using the given ratio, ensuring to account for the additional colored bulbs stated in the problem.

What technique should students use to approach the tree planting problem in exercise 3?

Students should approach the tree planting problem by first calculating the difference in the number of students between the classes. Then, determine how many trees each student planted and use that information to calculate the total trees planted by each class.

How do you determine the smaller and larger numbers from exercise 4 on page 151?

To determine the smaller and larger numbers from exercise 4, start by calculating the difference in parts based on the given ratio. Then, apply this difference to find the specific values of the smaller and larger numbers using the method outlined in the exercise.

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