Your Solutions - Stage 3 & 4

Satisfying Statements

Stage: 3 Challenge Level: Challenge Level:1

Can you find any two-digit numbers that satisfy all of these statements?

Charlie's Delightful Machine

Stage: 3 and 4 Challenge Level: Challenge Level:1

Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?

A Little Light Thinking

Stage: 4 Challenge Level: Challenge Level:1

Here is a machine with four coloured lights. Can you make two lights switch on at once? Three lights? All four lights?

Which Spinners?

Stage: 4 and 5 Challenge Level: Challenge Level:1

Can you work out which spinners were used to generate the frequency charts?