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## Royal Maths

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**Royal Maths**Handling Data – Mode, Median, Average and Range www.3to11maths.com By Chris Clements**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**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**Activity**Use the data cards of the Royal Family to work out the; Average age the range The mode the median www.3to11maths.com**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