Math Grade 7 Number Pattern/ Sequence

1, 2, 4, 8, 16, ...

The rule of this sequence is ...

• Add 2 to get the next term

• Multiply by 2 to get the next term

• Divide by 2 to get the next term

• Square each term to get the next term

The first three figures of a sequence are shown.

The figures are made up of small white and grey squares.

Find the number of the grey squares in the figure 4.

The first three figures of a sequence are shown.

The figures are made up of small white and grey squares.

Find the number of the white squares in the figure 5.

The first three figures of a sequence are shown.

The figures are made up of small white and grey squares.

Find an expression in terms of n, for the number of grey squares in figure n, Tn.

The first three figures of a sequence are shown.

The figures are made up of small white and grey squares.

Find an expression in terms of n, for the number of white squares in figure n, Un.

Write down the next two terms in the sequence: 21, 17, 13, 9, 5, ...

Write down the next two terms in the sequence: 1, 4, -1, 2, -3, 0, ...

The nth term in a sequence is 8n -3.

Find the value of the term which is closest to 999.

Consider the sequence: 12, x, 6, 3, y, -3, -6, ...

Write down the value of x and y.