Logical deduction from statements
Draw valid conclusions from two or more given statements using basic logical reasoning
What you'll learn
- 1
Imagine you have a bag of 3 coloured balls: one red, one blue, one green. Your friend says 'The green ball is NOT in my hand.' That's a clue!
- 2
If the green ball is NOT in your friend's hand, which ball COULD be in their hand?
- 3
Tap the ball that MUST be in your friend's hand if: 'The red ball is NOT in my hand' AND 'The blue ball IS in my hand.'
- 4
Let's solve a puzzle together! 'The cat is not black. The dog is not white. The cat is white.' What colour is the dog?
- 5
From the worked example, what colour is the dog?
- 6
Three friends: Ali, Ben, and Cat. Ali is NOT the tallest. Ben IS the shortest. Who is the tallest? Tap the right name.
- 7
If Ali is not tallest and Ben is shortest, who MUST be tallest?
Practise Logical deduction from statements with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 9–11. Aligned to the UK National Curriculum.