Number Patterns

Given a number sequence

7, 10, 13, 16, 19, ...

What is the rule of the sequence?

• Add 3 to each term to get the next term

• Add 4 to each term to get the next term

• Add 5 to each term to get the next term

• Add 6 to each term to get the next term

Observe the number sequence below.

-4, 8, -16, 32, -64, ...
Which of the following is the correct next two terms?

• 128, 256

• -128, -256

• 128, - 256

• -128, 256

Consider the sequence

13, 22, 31, 40, 49, ...

Which of the following statements is FALSE about the sequence?

• The next two terms are 58 and 67

• The formula of the nth term is 4n + 9

• The rule of the sequence is add 9 to each term

• The 100th term is 904

Given a number sequence

-3, 2, 7, 12, 17, ...

Which of the following options shows the formula of the n^th term and the 70^th term?

• T_n = 5n + 2, The 70^th term = 352

• T_n = 5n - 2, The 70^th term = 348

• T_n = 5n + 8, The 70^th term = 358

• T_n = 5n - 8, The 70^th term = 342

Consider the number sequence below:

9, 16, 25, 36, 49, ...

What are the next two terms?

• 64 and 81

• 59 and 79

• 60 and 80

• 45 and 90

Jeremy has some marbles. He arranges the marbles to make the figures shown.

Which of the following is the correct 4^th figure?

• 
• 
• 
• 

• 59

• 60

• 61

• 62

Observe the diagram of the sequence of figures shown.

How many squares will be there in the 75^th figure?

• 79 squares

• 297 squares

• 301 squares

• 80 squares

Given a number sequence

49, 41, 33, 25, 17, ...

Jill counts that the 100^th figure will be 743.

Do you agree with her?

• Yes

• No

Observe the diagram of a sequence of figures shown.

Select 2 statements that are TRUE.

• The difference of each term is 3 stars.

• The formula of the n^th term is 2n - 3

• There will be 300 stars in the 100^th figure.

• The 0 term is -2