Finding Quartiles - 1st, 2nd (median) and 3rd quartile

Sep 30, 2026

Upload by Rowan

Worksheets for determining quartiles in a set of numbers. Includes a prompt to find the 1st quartile (Q1), the 2nd quartile (median, Q2), and the 3rd quartile (Q3) for multiple independent number lists. The document provides practice problems with ordered values and an accompanying answer key that lists the computed quartiles for each item, supporting checking and self-assessment.

LanguageEnglish

CategoryExam

FormatPDF

Pages3

Reading Time8 min

AccessFree to download

Finding Quartiles

Problems

Answer Key

Finding Quartiles Name: | Find the 1st, 2nd (median) and 3rd quartile of the set of numbers. Ex) 5 , 2 , 8 , 2 , 10 , 2 , 4 , 3 , 8 , 5
1) 99 , 34 , 49 , 81 , 96 , 47 , 82 , 42 , 31 , 88 , 37 , 91 | | | | | | | Answers
Ex. 2 4.5 8 1.
2. | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2) | 35 , 36 , 46 , 71 , 39 , 92 , 99 , 50 | | | | | | 3. | | | | | | | | | | | | | | | | | | | | | | | | | 3) | 84 , 81 , 20 , 67 , 70 , 81 | | | | | | 4. | | | | | | | | | | | | | | | | | | | | | | | | | 4) | 2 , 3 , 1 , 8 , 5 , 4 , 4 | | | | | | 5. | | | | | | | | | | | | | | | | | | | | | | | | | 5) | 8 , 1 , 4 , 8 , 9 , 3 , 10 | | | | | | 6.
7. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 6) | 1 , 6 , 8 , 5 , 8 , 6 , 8 | | | | | | 8. | | | | | | | | | | | | | | | | | | | | | | | | | 7) | 71 , 92 , 77 , 52 , 93 , 88 , 56 | | | | | | 9.
10. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8) | 10 , 8 , 5 , 10 , 1 , 7 , 1 , 8 , 10 | | | | | | 11. | | | | | | | | | | | | | | | | | | | | | | | | | 9) | 5 , 2 , 5 , 2 , 8 , 9 , 7 , 5 | | | | | | 12. | | | | | | | | | | | | | | | | | | | | | | | | | 10) | 95 , 68 , 61 , 92 , 98 , 23 , 86 , 97 , 94 | | | | | | | | | | | | | | | 11) | 8 , 2 , 6 , 3 , 6 , 2 , 9 | | | | | | | | | | | | | | | 12) | 1 , 2 , 3 , 8 , 1 , 5 , 1 | | | | | | | | | | | | | | | | Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 1-10
11-12 | 92 | 83 | 75 | | 67 | 58 | 50 | 42 | 33 | 25 | 17 | | | | | | 8 | 0 | | | | | | | | | | Finding Quartiles Name: Answer Key | Find the 1st, 2nd (median) and 3rd quartile of the set of numbers.
Ex) 5 , 2 , 8 , 2 , 10 , 2 , 4 , 3 , 8 , 5 2 , 2 , 2 , 3 , 4 , 5 , 5 , 8 , 8 , 10
1) 99 , 34 , 49 , 81 , 96 , 47 , 82 , 42 , 31 , 88 , 37 , 91 31 , 34 , 37 , 42 , 47 , 49 , 81 , 82 , 88 , 91 , 96 , 99 | | | | | | | | | | | | | | | | | | | | | | | | | | | | Answers
Ex. 2 4.5 8 1. 39.5 65 89.5 | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2) | 35
35 | | ,
, | 36
36 | | | ,
, | | 46
39 | | ,
, | 71
46 | | | ,
, | | 39
50 | | ,
, | 92
71 | ,
, | 99
92 | ,
, | 50
99 | | | | 2. 37.5
3. 67 | | | | 48 | | 81.5
81 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 75.5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3) | 84
20 | | ,
, | 81
67 | | | ,
, | | 20
70 | | ,
, | 67
81 | | | ,
, | | 70
81 | | ,
, | 81
84 | | | | | | | | 4. 2 | | | | 4 | | 5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4) | 2
1 | ,
, | 3 2 | | ,
, | 1
3 | | ,
, | 8 4 | ,
, | 5
4 | | ,
, | 4 5 | | ,
, | | 4
8 | | | | | | | | | | 5. 3
6. 5 | | | | 8 | | 9
8 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5) | 8 , 1 , 4 , 8 , 9 , 3 , 10
1 , 3 , 4 , 8 , 8 , 9 , 10 | | | | | | | | | | | | | | | | | | | | | | | | | | | 7. 56

FAQs

What are the 1st, 2nd (median), and 3rd quartiles?

The worksheet defines quartiles as Q1 (1st quartile), Q2 (2nd quartile, also the median), and Q3 (3rd quartile) within an ordered set of numbers.

How should you solve each problem on the worksheet?

For each listed set, arrange the values and determine Q1, Q2 (median), and Q3 as instructed in the problem statement.

Where can you find the correct answers?

The document includes a separate “Answer Key” section that provides the quartile results for each numbered item.

Sep 30, 2026

Upload by Rowan