Choose a mode
Add boxes to each place with the − / + buttons (hundreds, tens, ones), or drag upward over a column to add. When a column reaches 10, ten small boxes bundle into one bigger box. Press Check to grade
Add boxes to each place with the − / + buttons (hundreds, tens, ones), or drag upward over a column to add. When a column reaches 10, ten small boxes bundle into one bigger box. Press Check to grade
3D math game · Best for grades 2-4
Build the number from base-ten blocks in the warehouse
Building hundreds, tens, and ones turns place value into a concrete structure students can compose and decompose.
The game builds understanding of Arithmetic. Add boxes to each place with the − / + buttons (hundreds, tens, ones), or drag upward over a column to add. When a column reaches 10, ten small boxes bundle into one bigger box. Press Check to grade
calculation, number composition, place value, and basic operations.
Students see the quantity, adjust it directly, and check the result immediately.
This builds number sense instead of relying only on memorized answers.
Use it for individual practice, paired work, or a short class demonstration before worksheets.
Start with the game above, then continue with written practice to reinforce the skill.