Which column?
What number is in the ones column?
12
The number 2 is in the ones column.
What number is the blue blocks?

The number is 13.
What number is in the tens column?
35
The number 3 is in the tens column.
What number is this?

The number is 138.
136
The number 6 is in the ones column.
What number is this?
The number is 115.
What number is in the hundreds column?
587
The number 5 is in the hundreds column.
What number is this?

The number is 256.
What number is in the tens column?
871
The number 7 is in the tens column.
What number is this?

The number is 1124.