Yesterday Gresham and I had so much fun with LEGO®’s and math! We made a balance using a clothes hanger (I saw the idea on Kids Activities Blog), but instead of using plastic cups to weigh items, we used Duple LEGO®’s! This was a great way to explore standard units of weight, estimating, making a chart, and the concept of equal or not equal.

We decided that in order to standardize our results, we would only use “big” blocks and “little” blocks and not other shapes.

I tied some yarn to a “gate” looking Duplo piece, and that way we could stick that piece onto the blocks and not have to re-tie the yarn every time.

It was fun to weigh a variety of things – some heavy and some light. We made a chart, and Gresham wrote down each item and then made a guess as to how many LEGO®’s it would weigh.

The sandal was heavier than Gresham thought it would be. It was so fun to see his brain at work with throughout this activity. I would ask him what we needed to do to make the balance equal, and he would say, “I think I need to add two more LEGO®s!”

We weighed scissors, a roll of scotch tape, a roll of masking tape, a sandal, and a stuffed animal. I’m planning to do this again and have Gresham choose different items. I think that Owen (age 3) would do pretty well with this too, and for him it would be a great way to work on counting.

Here is the chart that Gresham made to record his data:

Gresham is doing first grade math. He turned 6 in October, so he would be in kindergarten if he were in public school. I’m trying to focus on a lot of hands-on math practice for him this semester. We’re working on telling time, making graphs, counting coins, skip counting by 2’s, 5’s, and 10’s, and memorizing the addition facts.

For more hands-on math ideas, you might like our even and odd numbers activity and our games for practicing addition facts.

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1. ##### Katherine Collmer Feb 6, 2013

This is such creative idea! One that ties learning with fun and encourages "thinking outside of the box!" Thanks for sharing it!

2. ##### Trisha @ Inspiration Laboratories Feb 8, 2013

Such a fun use of Legos, and I love the skill building going on!

3. ##### Sue Haddox Feb 10, 2013

Wow so simple yet it truly gives the children a concrete visual as they "guesstimate" and then find out the answer. Cant wait to try this in my preschool classroom. Thank you very much for sharing!

4. ##### Adrianne Meldrum Mar 18, 2013

I love this idea, it's simple and uses things that are around the house. I am going to feature it in a free summer day camp curriculum. I will refer people directly to this link to learn how to put it together. Thanks for sharing!

5. ##### Adrianne Meldrum Apr 9, 2013

Just an update, I finished the summer camp lesson plans. They are free and I would love for you to see that credit was given back to you in the form of a link. Thanks again for sharing.

http://thetutorhouse.blogspot.com/p/shop.html#!/~/product/category=5324026&id=22066149

1. ##### Sarah Apr 9, 2013

Thanks for sharing this post!

6. ##### Connie May 27, 2013

Love this idea. I found it on Pinterest and plan to use it as a fun math station in my first grade class.

7. ##### Callie lowe Aug 12, 2013

I am going to fo this with my k class as soon as we get into school

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