What this lesson teaches
This activity teaches students how to find the least common multiple (LCM) using grouping. It enhances their understanding of multiples and promotes collaborative learning.
Math in Action
Can you finish lcm with groups in about 25 min?
LCM with Groups
You will this activity teaches students how to find the least common multiple (LCM) using grouping.
Duration25 min
Age GroupAges 10–13
DifficultyIntermediate
SubjectMath
See how this hands-on lesson works
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What you need
- 12 small objects (coins, buttons, etc.)
- Paper and pencil
- Markers for labeling
How the activity runs
- Gather 12 small objects like coins or buttons.
- Create three groups and label them with numbers.
- Count items in each group and list their multiples.
The learning connection
Hands-on activities make learning fun and relatable. Grouping objects helps students visualize concepts, making them easier to grasp and remember.
Try it with your learner
1. Gather 12 small objects, like coins or buttons. 2. Divide them into three groups. 3. Label Group A with 2, Group B with 3, Group C with 4. 4. Count the items in each group and list their multiples on paper. 5. Find the smallest number that appears in all three lists. 6. What did you notice?