proportionalFormulaYC

This is currently made for whole class use, so each layer has a teach-learn and practise-learn and then additional shorter TL and PL to be done the next lesson and spaced out over the next few days/weeks.

sample Q from each layer	teach-learn questions
layer	1	2	3	4	5	6	7	8	9	10	11	12
practise-learn worksheets
print hints	d/s 1pp	d/s 1pp
TL reminder + PL w/s B	proportionalFormulaYCtl1B.pdf proportionalFormulaYCpl1B.pdf
TL reminder + PL w/s C	proportionalFormulaYCtl1C.pdf proportionalFormulaYCpl1C.pdf
TL reminder + PL w/s D	proportionalFormulaYCtl1D.pdf proportionalFormulaYCpl1D.pdf

NC information