IL.6. Number Sense: Demonstrate and apply a knowledge and sense of numbers, including numeration and operations (addition, subtraction, multiplication, division), patterns, ratios and proportions.
6.A. Demonstrate knowledge and use of numbers and their representations in a broad range of theoretical and practical settings.
6.A.3. Represent fractions, decimals, percentages, exponents and scientific notation in equivalent forms.
6.C. Compute and estimate using mental mathematics, paper-and-pencil methods, calculators and computers.
6.C.3a. Select computational procedures and solve problems with whole numbers, fractions, decimals, percents and proportions.
6.D. Solve problems using comparison of quantities, ratios, proportions and percents.
6.D.3. Apply ratios and proportions to solve practical problems.