In subtraction, we learn by using practical experience. Learners are taught that removing a particular number of things from a group always leaves the same number of things. This helps them learn about numbers in the abstract which has numerous benefits in real life. Each Subtraction Roller Stamp allows the learner to develop their own sequences with each effortless roll.
Features:
- Randomised algorithms with each twist of the Roller Stamp
- No need for printers, worksheets or electricity
- Fits into pencil case with ease
- Water-soluble ink
Specifications:
50mm x 45mm x 30mm
What's in the box
1 x Subtraction Roller Stamp
1 x Plastic storage box that securely stores stamp
1 x 5ml bottle of water-soluble ink to refill your stamp once the initial ink that is shipped finishes
