Dividing fractions
Multiply by the reciprocal of the divisor.
Watch out: flip the second fraction, not the first.
Revision sheet
All the summary cards of the chapter on one page. Print it, or save it as a PDF from the print window.
Fractional lengths
Multiply lengths for areas and volumes, fractions included.
Watch out: a 1/k cube is 1/k³ of a unit cube.
CC BY-SA 4.0