Least Common Multiples (Word Problems)

A solid factor tree activity has learners use a word space provided to create factor trees and write the LCM of a set of three numbers. Answers included on page 2.

Fourth and fifth graders complete factor trees to find the lowest common multiple out of the two numbers given up to the number 10. Students complete four problems.

Pupils complete factor trees for the three numbers given to find the lowest common multiple. Students complete four problems with numbers up to 100.

Looking for a good presentation on multiples, least common multiples, and factoring? This one's for you! In it, youngsters are coached on the main techniques used in these mathematical processes. There are tons of practice opportunities,...

This fractions PowerPoint defines and gives examples of multiples and least common multiple, then models how to list multiples and circle the least common multiple. Each step to use in subtracting fractions with unlike denominators is...

Prepare your classes for future work by reinforcing multiples and finding least common multiples. Learners see how to identify the least common multiple of a set of numbers. The instructor shows examples including a set of two and a set...

This is a webpage that contains five word problems requiring learners to find the least common multiple or least common denominator.

Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...

Using the numbers 225 and 270, the narrator explains how to find the greatest common factor and the least common multiple. This presentation could be used in conjunction with other videos in a series exploring how to identify prime...

Use this least common multiple instructional activity to have your learners complete two mutliple choice questions containing one and two-digit numbers. Answers are provided online.