- Counting: The child had to count the number of Lego pieces needed for each building and structure in the city.
- Addition: The child had to add up the total number of Lego pieces used in the entire city.
- Subtraction: The child had to subtract the number of Lego pieces they had left from the total number of pieces used to determine how many more they needed.
- Measurement: The child had to measure the length, width, and height of the buildings and structures using Lego pieces as units of measurement.
- Geometry: The child had to use different shapes and angles to create the buildings and structures in the Lego city.
- Patterns: The child had to create patterns with the colors and shapes of the Lego pieces used in the city.
Continued development: Encourage the child to explore more complex mathematical concepts through their Lego city building. They can calculate the area and perimeter of the buildings, create scale models using ratios and proportions, and even incorporate more advanced geometry concepts like symmetry and tessellation. Additionally, they can use math to plan and budget for their Lego city by determining the cost of each Lego piece and calculating the total cost of the city. This activity can also be extended to include other subjects like science (building a Lego city with functioning mechanisms) or social studies (creating a historically accurate Lego city).