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There are 48 sheets and no required order. If you would rather not choose, here is a first thirty nights that mixes school math with new ideas and keeps the surprises coming. Each is ten to fifteen minutes; the starred problem is extra. Tick each night off.

The first thirty nights

1. The 1001 trick
2. Why minus times minus is plus
3. SEND + MORE = MONEY
4. Is it proportional?
5. The twelve pentominoes
6. Undo it backwards
7. Why a bike has gears
8. Roll a wheel once
9. The party puzzle
10. Apples and oranges: collecting like terms
11. Look and say
12. Can three sticks make a triangle?
13. Reading a journey
14. Multiplying by halving and doubling
15. Half a mile in a quarter of an hour
16. Why you cannot divide by zero
17. Angle chasing
18. Everyone plays everyone
19. What "one in six" really promises
20. How can 1,000 people speak for a country?
21. Sums of numbers in a row
22. Blueprints
23. A wheel that is not round
24. Slicing solids
25. Four fours
26. Ask 50 people, learn about 5,000
27. How big is a toy car, really?
28. When do the clock hands meet?
29. Are they really different?
30. The triangle with no area

After night thirty, pick whatever looks interesting. The Connections sheets are good for tired evenings: more reading, less calculation. The demos are for screens, five minutes each.

Tick-off card

Every grade 7 sheet. Print this page, stick it somewhere visible, and tick them off. Finish a whole track and tell someone.