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Students, refer to the excellent study material for Math - Solving 7th-grade math on page 47 Workbook 1 by Cánh Diều below. It will help you easily solve homework exercises 1, 2, 3... related to the lesson on the Absolute Value of a real number, ensuring a solid understanding of the concepts. As a result, you can improve your scores and excel in Math./
Explore more useful solving resources:
- Complete set of Solving 7th-grade math by Cánh Diều
- Solving 7th-grade math on page 32 Workbook 1 by Kết Nối Tri Thức - Exercise 6: Irrational numbers. Square root of a number
- Solving 7th-grade math on page 45 Workbook 1 by Chân Trời Sáng Tạo - Final exercises of Chapter 2
Solving 7th-grade math on page 47 Workbook 1 by Cánh Diều
Exercise 3. Absolute Value of a Real Number
1. Solve Exercise 1 Page 47 Math Workbook Grade 7
Solution Guide:
Answer:
Here is what we have:
2. Solve Exercise 2 on Page 47 of Math Book for Grade 7
Step-by-step solution:
Answer:
3. Solve Exercise 3 on Page 47 of Math Book for Grade 7
Problem Statement: Calculate the value of the expression:
Step-by-step solution:
Answer:
a) Calculate |-137| + |-363| = 137 + 363 = 500;
b) Evaluate |-28| - |98| = 28 - 98 = -(98 - 28) = - 60;
c) Compute (-200) - |-25|.|3| = (-200) - 25 . 3 = (-200) - 75 = -(200 + 75) = -275.
4. Solve Exercise 4 on Page 47 of Math Book for Grade 7
Problem Statement: Find x, given that:
Step-by-step solution:
Answer:
5. Solve Exercise 5 on Page 47 of Math Book for Grade 7
Problem Statement: Among the following statements, which one is correct, and which ones are incorrect?
a) The absolute value of a real number is a positive number.
b) The absolute value of a real number is a non-negative number.
c) The absolute value of a real number is its opposite.
d) Two numbers that are opposites have equal absolute values.
Step-by-step solution:
Answer:
a) Incorrect because |0| = 0 is not a positive number.
b) True.
c) False because the absolute value of a positive number is itself.
d) True.
6. Solve Exercise 6 on Page 47 of Math Book for Grade 7
Hope the Math Grade 7 document on page 47, Volume 1 of the Kite Book, will be beneficial for students looking to reinforce the lesson on the absolute value of real numbers and tackle exercises with ease.
References:
- Solving Math Grade 7 page 51, Volume 1 of the Kite Book - Exercise 4. Rounding numbers and estimation
- Solving Math Grade 7 page 54, Volume 1 of the Kite Book - Exercise 5. Proportional expressions
