Number Patterns and Sequences Challenge

What is the next number in the sequence: 2, 4, 6, 8, ?

• 10

• 16

• 14

• 12

Which of the following is a prime number? 9, 11, 15, 21

• 11

• 10

• 14

• 7

What is the 5th triangular number?

• 6

• 21

• 10

• 15

Identify the term-to-term rule in the sequence: 3, 6, 9, 12, ?

• Add 3

• Count back 3

• Subtract 3

• Multiplied by 3

What is the next number in the sequence: 1, 4, 9, 16, ?

• 36

• 25

• 20

• 30

Which of the following numbers is not prime? 2, 3, 5, 9

• 9

• 8

• 6

• 4

What is the 7th triangular number?

• 21

• 15

• 28

• 36

What is the term-to-term rule for the sequence: 5, 10, 15, 20, ?

• Divided by 5

• Subtract 5

• Count back 5

• Count on 5

Which of the following is a square number? 10, 16, 20, 25

• 30

• 10

• 20

• 16, 25

What is the 10th triangular number?

• 55

• 66

• 45

• 36