Answer: Sample Response: The variable, the number of hats, is modeled by an orange x tile. Losing 1 hat is modeled by 1 — blue tile. The expression that represents the situation is x – 1.
Algebra tiles are square and rectangle shaped tiles or tiles that represent numbers and variables. For example, we can use square tiles to represent numbers. Each square tile is equal to one. So, four can be represented by four square tiles.
