The nth term rule: Position-to-term for arithmetic sequences

Maths

Which column has the position-to-term rule 4n + 1?

Which column has the position-to-term rule 4n - 1?

Work out the position-to term-rules for column a.

Work out the position-to term-rules for column b.

Work out position-to-term rules for the sequence 3, 7, 11, 15, 19, ...

Look at the number grid shown on the right. Write down the column and row that match the tracking calculation 5 x 3 - 1

Look at the same number grid. Pick the tracking calculation that matches column E row 25.

Look at the same number grid. Which column and row would 38 fall into?