Solve Problems Using Ratio (Foundation)

Interactive macro-enabled MS-Excel spreadsheet. Contents: Solve problems involving cost of items by direct proportion. Divide a box of items into two or three colours in a given ratio. Share an amount of items between three friends in a given ratio. Divide an amount of money into two or three parts in a given ratio. Divide the angles of a triangle in a given ratio then draw it. Convert one currency into another using direct proportion. Solve direct proportion problems by the unitary method. Solve direct proportion problems using ratio tables & arrows. Solve direct proportion problems by scaling quantities. Solve direct proportion problems using ratio multipliers. Adapt a recipe’s ingredients & find № served by scaling quantities. Use parallel № lines to find a multiplier or scale factor & its inverse. Combine two 2-part ratios into one 3-part ratio & find three values.