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

Sep 30, 2026

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Worksheets and an answer key for finding quartiles of given numerical sets. Students sort each set, then determine the 1st quartile (Q1), the 2nd quartile (median), and the 3rd quartile (Q3). The document provides an example list and multiple numbered problems labeled 1) through 12), along with the corresponding correct quartile values for verification and self-checking.

LanguageEnglish

CategoryExam

FormatPDF

Pages3

Reading Time8 min

AccessFree to download

Find Quartiles Practice

Example set

Problems 1-12

Answer Key

Finding Quartiles Name: | Find the 1st, 2nd (median) and 3rd quartile of the set of numbers. Ex) 1 , 1 , 4 , 4 , 5 , 7
1) 55 , 99 , 50 , 53 , 53 , 22 , 62 , 48 , 75 | | | | | | | Answers
Ex. 1 4 5 1.
2. | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2) | 98 , 20 , 38 , 66 , 43 , 41 , 91 , 79 , 35 , 42 , 37 | | | | | | 3. | | | | | | | | | | | | | | | | | | | | | | | | | 3) | 7 , 6 , 1 , 4 , 6 , 5 | | | | | | 4. | | | | | | | | | | | | | | | | | | | | | | | | | 4) | 34 , 74 , 55 , 82 , 39 , 64 , 73 , 40 , 24 , 64 , 66 | | | | | | 5. | | | | | | | | | | | | | | | | | | | | | | | | | 5) | 7 , 8 , 4 , 10 , 4 , 2 , 1 , 4 , 4 | | | | | | 6.
7. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 6) | 37 , 54 , 24 , 84 , 35 , 58 , 84 | | | | | | 8. | | | | | | | | | | | | | | | | | | | | | | | | | 7) | 8 , 6 , 8 , 9 , 5 , 9 , 1 | | | | | | 9.
10. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8) | 5 , 4 , 7 , 4 , 6 , 7 , 9 , 1 , 1 , 1 | | | | | | 11. | | | | | | | | | | | | | | | | | | | | | | | | | 9) | 3 , 6 , 6 , 9 , 4 , 1 , 8 , 4 | | | | | | 12. | | | | | | | | | | | | | | | | | | | | | | | | | 10) | 72 , 52 , 29 , 78 , 53 , 86 , 94 , 95 | | | | | | | | | | | | | | | 11) | 98 , 23 , 83 , 22 , 86 , 93 , 91 , 23 | | | | | | | | | | | | | | | 12) | 7 , 1 , 3 , 10 , 6 , 8 , 1 , 3 | | | | | | | | | | | | | | | | Math
[www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 4 | 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) 1 , 1 , 4 , 4 , 5 , 7 1 , 1 , 4 , 4 , 5 , 7
1) 55 , 99 , 50 , 53 , 53 , 22 , 62 , 48 , 75
22 , 48 , 50 , 53 , 53 , 55 , 62 , 75 , 99 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Answers
Ex. 1 4 5 1. 49 53 68.5 | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2) | 98
20 | | ,
, | 20
35 | | | ,
, | | 38
37 | | ,
, | 66
38 | | | ,
, | | 43
41 | | | ,
, | | 41
42 | | | ,
, | 91 , 79 , 35 , 42 , 37 43 , 66 , 79 , 91 , 98 | | | | | | | | | 2. 37
3. 4 | | | | 42 | | 79
6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5.5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3) | 7 , 6 , 1 , 4 , 6 , 5
1 , 4 , 5 , 6 , 6 , 7 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4. 39 | | | | 64 | | 73 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4) | 34
24 | | ,
, | 74
34 | | | ,
, | | 55
39 | | ,
, | 82
40 | | | ,
, | | 39
55 | | | ,
, | | 64
64 | | | ,
, | 73 , 40 , 24 , 64 , 66 64 , 66 , 73 , 74 , 82 | | | | | | | | | 5. 3
6. 35 | | | | 4 | | 7.5
84 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 54 | | | | | | | | | | | | | | | | |

FAQs

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

They are Q1, the median (Q2), and Q3. They split an ordered data set into four equal parts.

How should the numbers be handled before finding quartiles?

The set of numbers should be arranged in order so the quartiles can be identified correctly.

What is included in the answer key section?

The answer key lists the correct quartile results for each numbered problem, matching the quartiles to the corresponding data set.

Sep 30, 2026

Upload by Rowan