KS2 Primary Maths Age 13-17 - Fractions, Decimals and Percentages: Multiplying Fractions - Explained

The video tutorial explains how to calculate the length of a day on Mercury, which is 58 and 2/3 times longer than a day on Earth. The instructor demonstrates a method to solve this problem by splitting the calculation into two parts: multiplying 24 by 58 and then by 2/3. The detailed steps involve long multiplication and fraction operations, leading to the final answer of 1408 hours. The tutorial emphasizes the importance of understanding different methods to solve problems and highlights the need for careful reading and reasoning to achieve efficient solutions.

How many times longer is a day on Mercury compared to a day on Earth?

• 58 and 2/3 times

• 48 times

• 24 times

• 12 times

What is the first step in calculating the length of a day on Mercury?

• Add 24 and 58

• Multiply 24 by 58

• Divide 58 by 24

• Subtract 24 from 58

What is the result of multiplying 24 by 58?

• 1392

• 1408

• 1450

• 1350

How do you calculate 24 multiplied by 2/3?

• Multiply 24 by 3 and divide by 2

• Add 24 and 2/3

• Multiply 24 by 2 and divide by 3

• Subtract 2/3 from 24

What is the final length of a day on Mercury in hours?

• 1392 hours

• 1420 hours

• 1380 hours

• 1408 hours