1. Tuesday Maths
KS4
Week 15
Key Skill – Averages 2

2. Averages 2
The 1000 Game
Can you make 1000?
Calculate the mean: 3, 1, 2, 4, 5 The mean of 5 numbers is 6. Five of the numbers are 4, 7, 3, 12. What is the missing number?
Calculate the median: 4, 2, 1, 6, 5, 9 The median of 4 numbers is 7. Three of the numbers are 3, 6, 10, what is the missing number?

3. Averages 2
The 1000 Game
Can you make 1000?
Calculate the mean: 3, 1, 2, 4, 5 3 The mean of 5 numbers is 6. Four of the numbers are 4, 7, 3, 12. What is the missing number? 4
Calculate the median: 4, 2, 1, 6, 5, The median of 4 numbers is 7. Three of the numbers are 3, 6, 10, what is the missing number? 8