Find the rule of a number pattern

Question 1

The rule is "add 11". One number is wrong: 8, 19, 32, 41, 52. What should it be?

Answer 

Question 2

Look at the 9 times table: 9, 18, 27, 36, 45, … Are all the answers odd, all even, or a mix?

• A. all even
• B. all odd
• C. a mix

Question 3

What is the rule? 14, 17, 20, 23, 26, …

• A. add 3
• B. add 4
• C. subtract 3
• D. multiply by 3

Question 4

The rule is "add 9". One number is wrong: 2, 11, 20, 28, 38. What should it be?

Answer 

Question 5

Look at the 2 times table: 2, 4, 6, 8, 10, … Are all the answers odd, all even, or a mix?

• A. all even
• B. all odd
• C. a mix

Question 6

What is the rule? 17, 67, 117, 167, 217, …

• A. subtract 50
• B. add 51
• C. add 50
• D. multiply by 50

Question 7

The rule is "add 4". One number is wrong: 2, 7, 10, 14, 18. What should it be?

Answer 

Question 8

Look at the 10 times table: 10, 20, 30, 40, 50, … Are all the answers odd, all even, or a mix?

• A. all even
• B. all odd
• C. a mix

Question 9

What is the rule? 5, 12, 19, 26, 33, …

• A. add 8
• B. subtract 7
• C. multiply by 7
• D. add 7

Question 10

The rule is "add 4". One number is wrong: 1, 7, 9, 13, 17. What should it be?

Answer 

Question 11

Look at the 7 times table: 7, 14, 21, 28, 35, … Are all the answers odd, all even, or a mix?

• A. all even
• B. all odd
• C. a mix

Question 12

What is the rule? 30, 27, 24, 21, 18, …

• A. subtract 3
• B. add 4
• C. multiply by 3
• D. add 3

Question 13

The rule is "add 5". One number is wrong: 11, 18, 21, 26, 31. What should it be?

Answer 

Question 14

Look at the 3 times table: 3, 6, 9, 12, 15, … Are all the answers odd, all even, or a mix?

• A. all even
• B. all odd
• C. a mix

Question 15

What is the rule? 10, 18, 26, 34, 42, …

• A. add 8
• B. add 9
• C. multiply by 8
• D. subtract 8

Question 16

The rule is "add 9". One number is wrong: 3, 12, 20, 30, 39. What should it be?

Answer