NCERT class 8 mathematics chapter 6– “Cubes and Cube Roots” teach us about origins of square and square roots. Cube is obtained when a number is multiplied by itself three times. Cube root is the inverse operation of finding cube. Practice multiple-choice questions (MCQs) for the CBSE exams to prepare for the objective questions. We have provided Class 8 MCQ Questions on “Cubes and Cube Roots” paired with comprehensive explanations. CBSE is emphasizing the role of MCQs as they assist in understanding the concepts completely.
As compared to subjective questions, MCQs are very different so practicing and understanding how to get appropriate answers in MCQs is very essential. To revise the main concepts, students should practice all the MCQs with the answers given. This will also help them familiarize themselves with the kinds of questions that might appear in the board exams.
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Topics covered in Cubes and Cube Roots
- Cubes
- Cube Roots
- Smallest multiple that is a perfect cube
- Cube root through prime factorisation method
CBSE Class 8 Mathematics Cubes and Cube Roots MCQs – PDF Download
Answers –
Summary for NCERT class 8 mathematics chapter 6 – Cubes and Cube Roots
- Numbers like 1729, 4104, 13832, are known as Hardy – Ramanujan Numbers. They can be expressed as sum of two cubes in two different ways.
- Numbers obtained when a number is multiplied by itself three times are known as cube numbers. For example 1, 8, 27, … etc.
- If in the prime factorisation of any number each factor appears three times, then the number is a perfect cube.
Best Reference Books for Class 8 Mathematics
- NCERT Textbook + Exemplar Problems Solutions Mathematics
- NCERT at your Fingertips Mathematics
- Foundation Course Mathematics
- Practice-cum-Workbook Mathematics
- Integrated Learning Mathematics
