# Cumulative Frequency Graphs

#### What's Included

• Smart Notebooks Presentation
• Activ Inspire Flipchart
• Lesson Plan
• Microsoft PowerPoint Presentation
• Differentiated Worksheet

# Cumulative Frequency Graphs

To plot cumulative frequency graphs students are taught to find the cumulative frequency from grouped data tables, choose suitable axes and how to plot the curve.  As learning progresses students learn how to draw the median average and interquartile range from the graph and what they represent about the data.
##### Differentiated Learning Objectives
• All students should be able to plot a cumulative frequency graph from a grouped data table.
• Most students should be able to plot and interpret the median and IQR from a cumulative frequency graph.
• Some students should be able to plot and interpret a cumulative frequency to compare multiple data sets.
##### Related Blog

Box and whisker diagrams

Video Demonstration
Drawing and Interpreting Statistical Diagrams

### Mr Mathematics Blog

#### Teaching Mathematics for a Growth Mindset

Inspiring students to enjoy maths and feel the success that comes with attempting a difficult challenge is why I teach.  The feeling of success is addictive.  The more students experience it the more they want it and the further out of their comfort zone they are willing to go to get more of it.  Teaching […]

#### Equation of Straight Line Graphs

To find the equation of straight line graphs students need to calculate the gradient using two pairs of coordinates and the intercept which is the y value of where it crosses the vertical axis.  Examiner’s reports of past exam questions show students are more able to find the intercept of a straight line than they […]

#### Arithmetic and Geometric Sequences

Students learn how to generate and describe arithmetic and geometric sequences on a  position-to-term basis.  Learning progresses from plotting and reading coordinates in the first quadrant to describing geometric sequences using the nth term. This unit takes place in Term 4 of Year 10 and is followed by the equations of straight line graphs. Arithmetic […]