Being curious

What do you see as you watch this video? Can you create a similar video for the number 12?

Florence, Ethan and Alma have each added together two 'next-door' numbers. What is the same about their answers?

You'll need to know your number properties to win a game of Statement Snap...

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

Try out some calculations. Are you surprised by the results?