An interactive Maths lesson designed for use with Qwizdom Interactive voting systems.

1. YEAR 9 MATHS: AVERAGES & RANGE AN INTERACTIVE QWIZDOM LESSON

2. Put all the numbers in order, and find the middle value.

3. Add all the numbers together, then divide by the frequency.

4. Find the largest value, then subtract the smallest value.

5. The most frequently occurring piece of data.

6. Find the median. 1, 1, 1, 2, 2, 3, 5, 9

7. 1, 1, 1, 2, 2, 3, 5, 9 Find the mode.

8. Find the range. 1, 1, 1, 2, 2, 3, 5, 9

9. 1, 1, 1, 2, 2, 3, 5, 9 Find the mean.

10. 0, 1, 3, 4, 5 Find the median

11. 5, 2, 3, 1, 1. Find the median

12. 0, 1, 1, 3, 7, 10 Find the median