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Easy way to teach Probability

Do you ever struggle to teach probability? I know I do. It can be a difficult concept to grasp, especially for younger students. But there is an easy way to teach probability that doesn’t involve a lot of complex math. All you need are some legos!

Legos are a great way to teach kids about probability. You can easily create different scenarios using different colored legos, and then ask your child to calculate the likelihood of the scenario happening. This is a great way to help them understand how probability works in the real world. Plus, it’s just really fun to play with Legos!

TEACHING Probability with LegoS

`Lego is a great way to teach probability. It helps kids to understand and visualize what’s happening. We’ll also provide a few examples so you can make lots of different scenario with different probabilities,. Trust me, your students will love this activity!

Problem Set 1 :

Mix up 12 red lego bricks, 16 blue lego bricks  and 18 yellow lego bricks in a cloth bag.  All the bricks are completely alike except for their colors.  Put a blindfold on your kid, and ask them to grab two matching bricks from the bag.

They will start pulling out one brick at a time from the bag. What is the fewest number of bricks that they will need to take out of the drawer in order to be certain that they have a pair that match?

Give it a try and let me know your answer in the comments section.

Show Solution

Suppose you pick out three bricks out of the bag, there is a slight chance that you might get a pair in 2 or 3 draws. For example, you pick out 2 red bricks in the first two picks or you picked 1 red brick in your first pick, 1 yellow in your second pick and a red brick in your third pick and you found a match.

But, it is very much possible that you don’t have a pair after 3 pick, ie you have 1 red,1 blue and 1 yellow brick. In your fourth pick, you are going to pick either a red or a blue or a yellow brick, which is guaranteed to create a match.

So, we need to take out 4 lego bricks in order to guarantee a pair that match.

Looking to teach more probability related problems in an easy way, then check out the post Probability with two different kind of Lego Bricks.

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