Royal Maths

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# Royal Maths - PowerPoint PPT Presentation

## Royal Maths

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1. Royal Maths Handling Data – Mode, Median, Average and Range www.3to11maths.com By Chris Clements

2. 52 90 27 63 29 48 Prince Phillip Prince Harry Prince William Prince Andrew Prince Edward Prince Charles What is the average age of the Princes? 309 ÷ 6 = 51.5 years old What is the range of ages of the Princes? 90 – 27 = 63 What is the median age of the Princes? 27; 29; 48; 52; 63; 90 = 50 www.3to11maths.com

3. Peter Phillips 34 Savannah Phillips 1 James Windsor Prince William Prince Harry Princess Eugenie Zara Phillips 31 22 27 4 29 Princess Beatrice Louise Windsor 8 23 What is the average age of the Queens Grand Children? 179 ÷ 9 = 19.9 years old to 1dp What is the range of ages of the Queens Grand Children? 34 – 1 = 33 years What is the median age of the Queens Grand Children? The Queen 1;4;8;22;23;27;29;31;34 = 23 www.3to11maths.com

4. Activity Use the data cards of the Royal Family to work out the; Average age the range The mode the median www.3to11maths.com

5. Average = 959 ÷ 23 = 41.7 years old to 1dp The range = 90 – 1 = 89 years The mode is; 34, 52 and 63 The median is; 1;4;8;22;23;27;29;30;31 33;34;34;47;48;52;52;57;61;63;63;64 86;90 so the median is 34 www.3to11maths.com