Identify proportions by cross multiplying or simplifying ratios.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Presents topics including number sense, variable expressions, statistics, decimals (including addition, subtraction, multiplication, and division), fractions, ratios, proportions, percents, geometric ...
CK-12 Foundation’s Middle School Math – Grade 6 FlexBook® resource covers the fundamentals of fractions, decimals, and geometry. Also explored are units of measurement, graphing concepts, and strategi ...
CK-12 Algebra Explorations is a hands-on series of activities that guides students from Pre-K to Grade 7 through algebraic concepts.
It is an educational content of CK-12 Foundation (to access some of ...