GCSE Secondary Maths Age 13-17 - Number: Lowest Common Multiple - Explained

The video tutorial addresses a math problem involving the distribution of pencils and pens at a conference. The problem requires finding the lowest common multiple of the quantities in each box and packet to determine how many boxes and packets John needs to buy. The solution involves calculating multiples of 40 and 15, leading to the conclusion that John needs 3 boxes of pencils and 8 packets of pens. The tutorial emphasizes careful reading and understanding of the problem to arrive at the correct solution.

What are the two key numbers mentioned in the problem that are crucial for solving it?

• 50 and 35

• 40 and 15

• 20 and 10

• 30 and 25

How many pencils are there in each box?

• 20

• 30

• 50

• 40

How many pens are there in each packet?

• 25

• 10

• 15

• 20

What is the lowest common multiple of the number of pencils and pens?

• 200

• 180

• 150

• 120

How many boxes of pencils did John buy?

• 4

• 3

• 5

• 2