What are the steps for using integer tiles to evaluate the expression 45-15?
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Start with 15 tiles and separate them into 3 same-sized groups.
Start with 45 tiles and separate them into 15 same-sized groups.
Assemble 45 groups of 3 tiles each.
Assemble 45 groups of 15 tiles each.

What are the steps for using integer tiles to evaluate the expression 4515 ООО Start with 15 tiles and separate them into 3 samesized groups Start with 45 tiles class=