Word Problems: Multiples

The video tutorial guides students through solving a math problem where Ali chooses a whole number that, when multiplied by 4, results in a value less than 100, and when multiplied by 5, results in a value greater than 100. The teacher explains the process of finding such numbers, starting with 21, and confirms it meets the criteria. Other possible numbers like 22, 23, and 24 are also discussed. The tutorial emphasizes understanding the problem and practicing similar questions to improve speed and accuracy.

What is the condition for Ali's number when multiplied by 4?

What number did Ali first consider when trying to find a suitable number?

What range of numbers did Ali determine could be potential answers?

What number did Ali finally confirm fits both criteria?

List other possible numbers that could also fit the criteria.