Ready for Year 2

Capstone and Y1→Y2 bridge: problem solving across the year at Y1 ceiling depth, plus a preview of Year 2's opening ground — place value with the word 'ones' and 'tens' made formal, the facts they'll make fast, and the 2, 5 and 10 tables their counting patterns will become — mapped to M_UK_Y02_M01–M04.