Number Sequences

Front

What is a number sequence?

Back

A number sequence is a list of numbers arranged in a specific order, following a particular rule or pattern.

Front

What is the next number in the sequence 4, 8, 12, ...?

Back

16

Front

What is the rule for the sequence 18, 15, 12, 9, 6, 3, 0?

Back

Minus 3

Front

What comes next in the sequence 100, 78, 54, 28, 0?

Back

-30

Front

If Noora starts with 13 and subtracts 4 each time, what are the next three numbers?

Back

9, 5, 1

Front

What is an arithmetic sequence?

Back

An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant.

Front

What is the common difference in the sequence 5, 10, 15, 20?

Back

5

Front

How do you find the nth term of an arithmetic sequence?

Back

The nth term can be found using the formula: nth term = first term + (n-1) * common difference.

Front

What is a geometric sequence?

Back

A geometric sequence is a sequence of numbers where each term after the first is found by multiplying the previous term by a fixed, non-zero number called the common ratio.

Front

What is the common ratio in the sequence 2, 6, 18, 54?

Back

3