4th+term+maths-super

http://au.ixl.com/math/standards/year-6 http://au.ixl.com/math/standards/year-5

What does each appliance cost to run per year? Which appliances deserve special attention to lower energy consumption. Calculate how much energy different appliances in your home and school use and what they cost. http://www.matthewb.id.au/media/Electric_Device_Calculator.html