Pay Rates & Rates Of Change

Interactive macro-enabled MS-Excel spreadsheet. Contents: Find an hourly pay rate given the wage received & hours worked. Find my total pay this week inc’ overtime given an hourly pay rate. Find the annual number of loaves of bread a family buys & its cost. Find the annual number of bags of sugar I buy for my tea & its cost. Find a truck’s fuel cost to fill it up & running cost in pence per mile. Find my value in gold if my boss says I’m worth my weight in gold. Find a large meteorite’s unit price given its weight & auction price. Find my hourly pay rate based on profit from making jars of jam. Find a sword’s rate of fall in temperature or rate of sales of tickets. Find a footballer’s strike rate in goals per game & minutes per goal. Find a flow rate into a cuboid-shaped tank given l, w, h & fill-time t. Sketch 3 graphs as 3 beakers of different diameters fill up or empty. Sketch 4 graphs as 4 flasks with different profiles fill up or empty.