ISEE Lower Level Math : How to find the missing part of a list

Study concepts, example questions & explanations for ISEE Lower Level Math

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Example Questions

Example Question #71 : Data Analysis

Identify the value of  in this set:

Possible Answers:

Correct answer:

Explanation:

In this set, each term is equal to the preceding term divided by 3.

By dividing 27 by 3, we can find the value of .

Example Question #81 : Data Analysis

Which of the following is the most appropriate number to complete this set?

Possible Answers:

Correct answer:

Explanation:

The numbers in the set increase by increments of 16.

The final term in the set will be the sum of 54 and 16.

Example Question #82 : Data Analysis

Which of the following numbers can complete this set?

Possible Answers:

Correct answer:

Explanation:

The pattern in this set is that each preceding number is multiplied by 2.

Given that 16 multiplied by 2 equals 32, that is the correct answer. 

Example Question #83 : Data Analysis

What is the missing number from this set?

Possible Answers:

None of these

Correct answer:

Explanation:

In the set, each subsequent number if 5 times larger than the previous term.

To find the value of , we need to divide the following term by 5. In this case, that means we will need to divide 5 by 5.

Example Question #84 : Data Analysis

What is the value of  in the set below?

Possible Answers:

Correct answer:

Explanation:

Each number in the set increases from the preceding number by a value of 6.

Given that , the correct answer is 38. 

Example Question #16 : How To Find The Missing Part Of A List

What is the value of  in the set below?

Possible Answers:

Correct answer:

Explanation:

The pattern here is to subtract 8 from the previous number.

Subtract 8 from 12 to get 4 as the value of .

 

Example Question #711 : Isee Lower Level (Grades 5 6) Mathematics Achievement

What is the value of  in the list below?

Possible Answers:

None of these

Correct answer:

Explanation:

Given that 15 is 3 times the value of 5,  could be equal to 3 times the value of 15. This assumes that the pattern is that each subsequent number is triple the value of the preceding number.

Using this pattern,  would be equal to 3 times 15.

We can test this answer by checking that three times  is equal to the next number in the list, 135.

Our answer works out, so  must be equal to 45.

Example Question #18 : How To Find The Missing Part Of A List

What is the value of  in the set below?

Possible Answers:

Correct answer:

Explanation:

The pattern in the set is that each number increases by 6. The last number was 24. Therefore, since 6 plus 24 equals 30,  would be equal to 30. 

Example Question #19 : How To Find The Missing Part Of A List

What number should appear next in the set below?

Possible Answers:

Correct answer:

Explanation:

In the set, , each subsequent number is one third of the preceding number. One-third of 4 is , which is the correct answer. 

Example Question #20 : How To Find The Missing Part Of A List

What is the next number in the sequence below?

Possible Answers:

Correct answer:

Explanation:

In the sequence, each subsequent number doubles in value. Therefore, the next number should be twice as large as 80, or 160. Therefore, 160 is the correct answer. 

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