SSAT Elementary Level Math : How to find the missing part of a list

Study concepts, example questions & explanations for SSAT Elementary Level Math

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Example Questions

Example Question #21 : How To Find The Missing Part Of A List

What is the missing number in the sequence?

1, 17, __, 49

Possible Answers:

Correct answer:

Explanation:

To find the next number in the sequence, we need to find the pattern. In this problem, the pattern is adding sixteen, so to find the missing number, we need to add 16 to the number before the blank space.

Example Question #22 : How To Find The Missing Part Of A List

What is the missing number in the sequence?

160, 80, 40, __, 10, 5

Possible Answers:

Correct answer:

Explanation:

To find the next number in the sequence, we need to find the pattern. In this problem, the pattern is dividing by two, so to find the missing number, we need to divide the number before the blank space by 2.

Example Question #23 : Data Analysis

What is the missing number in the sequence?

, , __,

Possible Answers:

Correct answer:

Explanation:

To find the next number in the sequence, we need to find the pattern. In this problem, the pattern is adding by seven! So, to find the next number, we need to add seven more to the number before the blank space.

Example Question #24 : Data Analysis

What is the missing number in the sequence?

, __,

Possible Answers:

Correct answer:

Explanation:

To find the next number in the sequence, we need to find the pattern. In this problem, the pattern is subtracting by fifteen! So, to find the next number, we need to subtract fifteen from the number before the blank space.

Example Question #61 : Data Analysis And Probability

What is the missing number in the sequence?

, __, 

Possible Answers:

Correct answer:

Explanation:

To find the next number in the sequence, we need to find the pattern. In this problem, the pattern is dividing by two! So, to find the missing number, we need to divide the number before the blank space by two.

Example Question #62 : Data Analysis And Probability

What is the missing number in the sequence?

, __, 

Possible Answers:

Correct answer:

Explanation:

To find the next number in the sequence, we need to find the pattern. In this problem, the pattern is multiplying by three! So, to find the missing number, we need to multiply the number before the blank space by three.

Example Question #23 : How To Find The Missing Part Of A List

 

 

Find the two missing numbers in the pattern:

 

Possible Answers:

Correct answer:

Explanation:

First, notice that the set is counting up. 

The numbers increase by  each time.

Therefore the correct choice is , .

Example Question #24 : How To Find The Missing Part Of A List

Find the three missing shapes in the pattern, represented by empty boxes ():

 

Possible Answers:

Correct answer:

Explanation:

The set repeats as follows: circle, square, up arrow, down arrow, circle, square, up arrow, etc.  

We need to finish the pattern that begins with circle, square, up arrow.  

Therefore the missing shapes are down arrow, circle, square.

Example Question #24 : How To Find The Missing Part Of A List

Fill in the missing number in the pattern:

Possible Answers:

Correct answer:

Explanation:

Each number is three greater than the preveious number:

3, 6, 9, 12, 15, 18. 

The missing number is 12.

Example Question #25 : How To Find The Missing Part Of A List

Find the missing number in the pattern:

Possible Answers:

 

 

 

 

 

 

 

 

 

 

 

 

 

Correct answer:

Explanation:

This is a Fibonacci sequence.

Each number is found by adding the two numbers before it:

1+1=2

1+2=3

2+3=5

5+8=13

8+13=21

1, 1, 2, 3, 5, 8, 13, 21

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