Different selections are made from a canteen menu that will cost a given amount. An extension activity is given that asks for all possible combinations to be found.
Students estimate a subtraction problem, share their methods, discuss the rounding one number method, and then do more problems by rounding one number.
This practical task requires students to determine the number of different coloured beads needed to thread onto a necklace by interpreting different percentages.
Using discount percentages, students calculate the sale price of clothes from the original price. They also calculate the original price of a discounted item.