Read and download the CBSE Class 8 Mathematics Cubes and Cube Roots Assignment Set B for the 2025-26 academic session. We have provided comprehensive Class 8 Mathematics school assignments that have important solved questions and answers for Chapter 7 Cubes And Cube Roots. These resources have been carefuly prepared by expert teachers as per the latest NCERT, CBSE, and KVS syllabus guidelines.
Solved Assignment for Class 8 Mathematics Chapter 7 Cubes And Cube Roots
Practicing these Class 8 Mathematics problems daily is must to improve your conceptual understanding and score better marks in school examinations. These printable assignments are a perfect assessment tool for Chapter 7 Cubes And Cube Roots, covering both basic and advanced level questions to help you get more marks in exams.
Chapter 7 Cubes And Cube Roots Class 8 Solved Questions and Answers
Q 1 Find the cube of 18.
Q 2 Express 63 as the sum of odd numbers using the pattern given below.
1 = 1 = 13
3 + 5 = 8 = 23
7 + 9 + 11 = 27 = 33
13 + 15 + 17 + 19 = 64 = 43
21 + 23 + 25 + 27 + 29 = 125 = 53
Q 3 Show that 189 is not a perfect cube.
Q 4 Find the number whose cube is 9261.
Q 5 Find the cube root of 512.
Q 6 Evaluate: (0.8)3
Very Short Answer type Questions
Question. What is the cube root of 0.001728?
Answer : 0.12
Question. A cubical box has a volume of 512000 cubic cm. What is the length of the side of box?
Answer : 80cm
Question. Find 13 + 23 + 33.
Answer : 36
Question. What is cube root of 1728?
Answer : 12
Question. Find the value of 3√0.729 x 3√1.331.
Answer : 0.99
Question. How many hundreds are there is 31 × 22 × 53?
Answer : 155
Question. Simplify and give the answer 3√216 x 3√729 / 3 x 9
Answer : 2
Question. Evaluate 3√100 x 3√270.
Answer : 30
Question. What is 3√400 x 3√49 x 3√140 ?
Answer : 140
Question. Simplify and give the answer in whole number 3√55 x 3√25 x 3√121.
Answer : 55
Question. Find 3√169 x 3√25 x 3√65.
Answer : 65
Question. What is the smallest number by which 9000 can be multiplied so that it becomes a perfect cube.
Answer : 3
Question. What is cube of 0.2.
Answer : 0.008
Q.1) Which of the following are the perfect cubes?
a) 729 b) 10000 c) 1729 d) 2817 e) 6859
Q.2) Which of the following are the cubes of odd number
a) 1331 b) 4096 c) 5832 d) 5000 e) 3375
Q.3) Is 343 or 243 a perfect cube?
Q. 4) By prime factorization find the cube roots of:
a) 3375 b) 74088 c) 10000 d) 11331
Q. 5) Find the cube root of 17576 through estimation.
Q. 6) Is 392 a perfect cube?
Q.7) Is 68600 a perfect cube? If not, find the smallest no. by which 68600 must be multiplied to get a perfect cube.
Q. 8) Is 53240 a perfect cube? If not, then by which smallest no. should 53240 be divided so that the quotient is a perfect cube?
Q. 9)Without finding the prime factors, estimate the cube roots of the following cubes.
a) 857375 b) 12167 c) 24389
Q.10) Find the cube root of 13824.
Important Practice Resources for Class 8 Mathematics
CBSE Class 8 Mathematics Chapter 7 Cubes And Cube Roots Assignment
Access the latest Chapter 7 Cubes And Cube Roots assignments designed as per the current CBSE syllabus for Class 8. We have included all question types, including MCQs, short answer questions, and long-form problems relating to Chapter 7 Cubes And Cube Roots. You can easily download these assignments in PDF format for free. Our expert teachers have carefully looked at previous year exam patterns and have made sure that these questions help you prepare properly for your upcoming school tests.
Benefits of solving Assignments for Chapter 7 Cubes And Cube Roots
Practicing these Class 8 Mathematics assignments has many advantages for you:
- Better Exam Scores: Regular practice will help you to understand Chapter 7 Cubes And Cube Roots properly and you will be able to answer exam questions correctly.
- Latest Exam Pattern: All questions are aligned as per the latest CBSE sample papers and marking schemes.
- Huge Variety of Questions: These Chapter 7 Cubes And Cube Roots sets include Case Studies, objective questions, and various descriptive problems with answers.
- Time Management: Solving these Chapter 7 Cubes And Cube Roots test papers daily will improve your speed and accuracy.
How to solve Mathematics Chapter 7 Cubes And Cube Roots Assignments effectively?
- Read the Chapter First: Start with the NCERT book for Class 8 Mathematics before attempting the assignment.
- Self-Assessment: Try solving the Chapter 7 Cubes And Cube Roots questions by yourself and then check the solutions provided by us.
- Use Supporting Material: Refer to our Revision Notes and Class 8 worksheets if you get stuck on any topic.
- Track Mistakes: Maintain a notebook for tricky concepts and revise them using our online MCQ tests.
Best Practices for Class 8 Mathematics Preparation
For the best results, solve one assignment for Chapter 7 Cubes And Cube Roots on daily basis. Using a timer while practicing will further improve your problem-solving skills and prepare you for the actual CBSE exam.
You can download free PDF assignments for Class 8 Mathematics Chapter Chapter 7 Cubes And Cube Roots from StudiesToday.com. These practice sheets have been updated for the 2025-26 session covering all concepts from latest NCERT textbook.
Yes, our teachers have given solutions for all questions in the Class 8 Mathematics Chapter Chapter 7 Cubes And Cube Roots assignments. This will help you to understand step-by-step methodology to get full marks in school tests and exams.
Yes. These assignments are designed as per the latest CBSE syllabus for 2026. We have included huge variety of question formats such as MCQs, Case-study based questions and important diagram-based problems found in Chapter Chapter 7 Cubes And Cube Roots.
Practicing topicw wise assignments will help Class 8 students understand every sub-topic of Chapter Chapter 7 Cubes And Cube Roots. Daily practice will improve speed, accuracy and answering competency-based questions.
Yes, all printable assignments for Class 8 Mathematics Chapter Chapter 7 Cubes And Cube Roots are available for free download in mobile-friendly PDF format.