Math Focus 7
Student Centre
• Surf for More Math
• Try It Out
• Web Quests
Teacher Centre
Parent Centre

Nelson Education > School > Mathematics K-8 > Math Focus > Grade 7 > Student Centre > Surf for More Math > Chapter 8 - Lesson 3

Surf For More Math


Lesson 3: The Mean of a Set of Data

Determine the mean of a set of data.

Builds Upon
Student Book pages 346–351

Instructions for Use.

Basketball Debate

Read the problem and do the calculations to find out who is the better basketball player. Note that throughout this exercise mean is referred to as the “average”; however, in class we should always use the term “mean” as it is more precise (see Student Book p. 347)

Comparing Properties of the Mean and the Median

Read the tasks and questions and then change the data, by moving the dots on the number line, to accomplish each task and answer each question.

Mean, Median, and Mode Calculator

Enter numbers separated by comma and then click “calculate.”