Count in multiples of 6, 7, 9, 25 and 1000 - Reasoning

In this exercise, students are tasked with the reasoning challenge of identifying and correcting a mistake in a sequence of numbers. The sequence provided is 12, 18, 23, 30, which at first glance may seem like a simple list of numbers. However, the task requires a deeper understanding of number patterns, specifically counting in multiples. The students need to spot the number that does not correctly follow the pattern of counting in multiples of a given number.

Upon examination, it becomes clear that the sequence is meant to represent multiples of 6. The correct sequence when counting in multiples of 6 should be 12, 18, 24, 30. The mistake in the given sequence is the number 23, which is not a multiple of 6. To correct the mistake, the number 23 should be replaced with 24. The answer provided at the end, which is 24, confirms the correction needed for the sequence. This activity not only reinforces the concept of multiples but also encourages students to apply logical reasoning to identify and rectify errors in numerical patterns.