Aarohi Academy - Sample Grade 6 Maths Worksheet 1. Find the LCM of 12, 18, and 24. 2. Simplify: 3/4 + 5/8. 3. A rectangle has length 18 cm and breadth 7 cm. Find its perimeter and area. 4. Write the first five multiples of 13. 5. Solve: 45 + 6 x 8 - 12. Note: This is dummy sample material for website demonstration.