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Number Detective printable sheet
Calling all detectives!
You will need to think creatively, use your reasoning skills and your problem-solving strategies to find the mystery number from the table below.
18 |
86 |
120 |
42 |
46 |
64 |
80 |
8 |
22 |
83 |
You might now like to play the game Statement Snap or have a go at Satisfying Four Statements.
An obvious extension is for the children to make up their own examples for each other. They could repeat the format of the given problem, or play 'what's my number?' with a partner, where they try to find out what the mystery number is in the minimum number of guesses. Give an opportunity for them to describe why some questions are more useful than others.