Finding Place Values

Number 28 How Many 10's ___? How Many 1's ___?
Number 90 How Many 10's ___? How Many 1's ___?
Number 60 How Many 10's ___? How Many 1's ___?
Number 57 How Many 10's ___? How Many 1's ___?
Number 58 How Many 10's ___? How Many 1's ___?
Number 60 How Many 10's ___? How Many 1's ___?
Number 40 How Many 10's ___? How Many 1's ___?
Number 29 How Many 10's ___? How Many 1's ___?
Number 18 How Many 10's ___? How Many 1's ___?
Number 58 How Many 10's ___? How Many 1's ___?
Number 82 How Many 10's ___? How Many 1's ___?
Number 30 How Many 10's ___? How Many 1's ___?
Number 31 How Many 10's ___? How Many 1's ___?