Interactive macro-enabled MS-Excel spreadsheet. Contents: Write a ratio of colour to white represented by strips on a wallchart. Compare real-life quantities in a context using ratio notation. Write the ratio of different colours in bars, Δs, pies or rectangles. Write the ratio of one colour bar’s height to another. Write the № of tiles in a row, ring or column as a proportion & ratio. Simplify 2 or 3-part ratios or find unknowns in equivalent ratios. Find equivalent proportions & unitary ratios for a horizontal bar. Express a 2-part integer ratio a : b in unitary form or vice versa. Select a player or film by writing two integer ratios in unitary form. Simplify fractional, mixed number & decimal 2 or 3-part ratios. Simplify 2-part ratios involving mixed metric, money or time units. Combine two 2-part ratios relating 3 variables into one 3-part ratio. Write a before & after ratio if boys move house or 3 girls lose coins.
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