Sequences, area and measures review

What is a sequence?

• A set of numbers or objects that doesn´t follow an order.

• A set of numbers that follows a pattern.

A number sequence has nth term 6n + 3

Write down the first four terms of this sequence

(a)  

A sequence of numbers is shown below.

1 5 9 13 17 ... ...

Find the nth term

(a)  

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Find the next three terms in the arithmetic sequence: 25, 34, 43, 52, ...

• 63, 72, 81
• 79, 88, 97
• 70, 79, 88
• 61, 70, 79

How many sticks will be needed for Pattern 4?

• 4

• 16

• 13

• 10

How many dots will be in Pattern 4?

• 9

• 13

• 12

• 14

What is the missing number?

__ , 7, 10, 13, 16

• 6

• 4

• 5

• 3

• −7,−6,−3,4,15

• −5,−3,−1,1,3

• −5,−6,−3,4,15

• 9,22,39,60,85

Find the nth term of the quadratic sequence:

−2, 1, 6, 13, 22

• 3n+2