*This Math quiz is called 'Verbal Reasoning - Number Series 4' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is an enjoyable way to learn if you are in the 3rd, 4th or 5th grade - aged 8 to 11.*

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Can you complete the sequences? You will be offered a sequence of numbers, and you have to find the missing number each time. Some questions will be straightforward, and you will just have to work out the relationship between the first two numbers, then between the second and third and so on. Some will be more difficult, requiring you to add different numbers in the sequence. An example has been done for you.

Example: What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

*2 4 6 8 10 (?)*

* 12*

* 11*

* 14*

* 2*

The correct answer is* 12* because the numbers are going up by 2 each time. 10 + 2 = 12.

The correct answer is

1.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

835, 724, 613, 502, (?)

835, 724, 613, 502, (?)

319

764

456

391

The correct answer is 391 because the numbers are going down by 111 each time. 502 - 111 = 391. 111 is a certain kind of number, and shares its name with the words noon, mom and poop. Do you know its name? Read further down to find out

2.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

490, 369, 248, 127, (?)

490, 369, 248, 127, (?)

86

46

26

6

The correct answer is 6 because the numbers are going down by 121 each time. There really is no way around working this one out with a pencil! 127 - 121 = 6

3.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

81, 9, 72, 8, (?)

81, 9, 72, 8, (?)

65

78

63

12

The correct answer is 63 because the numbers are all part of the 9 times tables. 81 divided by 9 = 9, 72 divided by 9 = 8, so we are looking for what divided by 9 = 7? The answer is 63

4.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

84, 840, 8400, 84000, (?)

84, 840, 8400, 84000, (?)

8410

84000000

840000

8400000

The correct answer is 840000 because the numbers are multiplied by 10 each time. Remember the easy rule for multiplying a number by 10? Just add a nought (0)

5.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

6, 36, 216, 1296, 7776, (?)

6, 36, 216, 1296, 7776, (?)

46656

45656

44656

47656

The correct answer is 46656 because the numbers are multiplied by 6 each time. Did you know that the number six in French is spelled six, while in Russian it is øåñòü (pronounced shest.) The puzzle in question 1 asked about 111, poop, mom and noon. They are all palindromes. Well done if you got it right!

6.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

123, 100, 77, 54, (?)

123, 100, 77, 54, (?)

36

32

34

31

The correct answer is 31 because the numbers are going down by 23 each time. 23 is a prime number made up from two other prime numbers (2 and 3)

7.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

32, 44, 56, 68, (?)

32, 44, 56, 68, (?)

70

80

60

90

The correct answer is 80 because the numbers are going up by 12 each time. 68 + 12 = 80

8.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

89, 78, 67, 56, (?)

89, 78, 67, 56, (?)

47

44

45

41

The correct answer is 45 because the numbers are going down by 11 each time. 56 - 11 = 45

9.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

776, 665, 554, 443, (?)

776, 665, 554, 443, (?)

334

332

321

345

The correct answer is 332 because the numbers are going down each time by 111 so we are looking for 443 - 111 = 332. You may have figured out that we like the number 111. We have used it a few times in this series of quizzes because it is such an interesting number! A palindrome (reading the same backwards and forwards), it is also a number which can be divided equally by two prime numbers (37 and 3). But we really like the fact that it is sometimes referred to as a 'Nelson'. Admiral Nelson had 'One Eye, One Arm, One Leg!'

10.

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.

810, 270, 90, 30, (?)

810, 270, 90, 30, (?)

15

20

10

5

The correct answer is 10 because the numbers are being divided by 3 each time. So we are looking for 30 divided by 3 = 10. Wow! You have completed the fourth and final Number Series quiz. We hope you enjoyed these (and the little puzzles and facts that were hidden in the answers). Why not look at some of our other Verbal Reasoning quizzes?

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