

Richard Witt's book ArithmeticallQuestions, published in 1613, was a landmark in the history of compound interest. Witt's book gave tables based on 10% (the then maximum rate of interest allowable on loans) and on other rates for different purposes, such as the valuation of property leases.
GROWTH AND DECAY
How quickly will the virus spread?
Key questions
Can we problem solve with powers of 2?
Do we recognise a geometric sequence?
Can we problem solve with geometric sequnces?
Can we work with compound interest?
Can we solve growth and decay problems?
Can we use a general iterative process in context?
~ lessons
Specification detail
Literacy
stories that set a frame or background
stories that accompany or intertwine
stories that introduce
stories that explain
stories that ask a question
stories that entertain
The King's Chessboard by David Burch