# Making a Cumulative Frequency Table(KS2, Year 5)

## Making a Cumulative Frequency Table

A cumulative frequency table is a great way to present a lot of data. Imagine a teacher wanted an easy way to present the test scores of their mathematics class: ## How to Make a Cumulative Frequency Table

Making a cumulative frequency table is easy.

## Question

Construct a cumulative frequency table for the numbers below. # 1

Construct a table with four columns: Before we make a cumulative frequency table, we need to make a frequency table (the first three columns). Read about how to make a frequency table

# 2

In the Score column, write each number that appears in the set of numbers down the column, from the smallest to largest. # 3

Go through the set of numbers in the Question. For each number, cross it out and put a tally mark in the Tally column, in the row for that number.
• The first number is 8. Cross it out and put a tally mark in the Tally column in the 8 row. • The second number is 10. Cross it out and put a tally mark in the Tally column in the 10 row. • Continue until all numbers have been crossed out and had tally marks placed in the Tally column. # 4

For each row, count the tally marks. Write the number of tally marks in the Frequency column. # 5

Complete the Cumulative frequency column. The cumulative frequency in each row is found by adding all the entries in the Frequency column from the top row to that row.
• The cumulative frequency in the first row is equal to the frequency: • The cumulative frequency in the second row is found by adding the frequency in this row to all the frequencies above: Note: It is also found by adding the frequency in this row to the cumulative frequency above.
• The cumulative frequency in the third row is found by adding the frequency in this row to all the frequencies above: Note: It is also found by adding the frequency in this row to the cumulative frequency above.

The cumulative frequency table is complete when all the cumulative frequencies have been entered: ## Lesson Slides

The slider below gives another example of making a cumulative frequency table. Open the slider in a new tab
Help Us To Improve Mathematics Monster