Knowing Our Numbers
21 solved questions from Class 6 Mathematics, each with the full working. Tap any question to see the step-by-step solution.
- 1 What is the place value of the digit 7 in the number 4732? easy MCQ 1 mark Place value and face value
- 2 Write the number 2,489 in Roman numerals. Show each step of the conversion. hard 3 marks Roman numerals
- 3 Find the HCF of 24 and 36 using prime factorisation. medium MCQ Prime Factorisation and HCF
- 4 Express 140 as a product of its prime factors. medium MCQ Prime Factorisation
- 5 Is √2 a rational or irrational number? medium MCQ Irrational Numbers
- 6 What is the LCM of 12 and 15? medium MCQ LCM Calculation
- 7 Find the value of 5³ × 5² using exponent laws. medium MCQ Exponents and Powers
- 8 What is the multiplicative inverse of -4/5? medium MCQ Rational Numbers
- 9 Evaluate (-1)^100. medium MCQ Exponents
- 10 Is zero (0) a positive or negative integer? medium MCQ Integers
- 11 Simplify: 3/4 + 5/6. medium MCQ Fractions Addition
- 12 What is the predecessor of 10,000? medium MCQ Predecessor and Successor
- 13 What is the domain, range, or fundamental theorem introduced in 'Knowing Our Numbers' (Class 6 Mathematics)? medium MCQ Functions & Theorems
- 14 What is the derivative or integral formula associated with 'Knowing Our Numbers'? medium MCQ Calculus & Formulae
- 15 How do you find the solution set or optimum value in 'Knowing Our Numbers'? medium MCQ Problem Solving & Optimization
- 16 Find the least common multiple (LCM) of 18 and 24. medium 2 marks LCM using prime factorisation
- 17 Determine the highest common factor (HCF) of 48 and 80 using prime factorisation. medium 2 marks HCF using prime factorisation
- 18 What is the place value of the digit 5 in the number 9,657? easy 1 mark Place value
- 19 Find the least common multiple of 21, 35 and 49 using prime factorisation. hard 5 marks LCM by prime factorisation
- 20 What is the place value of the digit 3 in the number 5,392? easy 1 mark Place value of a digit
- 21 Write 3,756 in Roman numerals and explain each step of the conversion. medium 3 marks Roman numeral conversion