- CD 3 - Decimals & Ratio And Proportion.
- Decimals - Addition, Subtraction, Multiplication and Rounding.
This segment covers addition and subtraction of decimals by working in columns with decimal points lined up vertically, multiplication by addition of partial products and location of the decimal point for the product. Rounding of decimal numbers is also covered.
- Decimals – Division, Converting to Fractions.
This segment covers long division of decimals as well as conversion from decimals to fractions and fractions to decimals.
- Ratio and Proportion – Fundamentals of Ratios and Proportions.
This segment covers ratio, rate and proportion. Topics included are unit rates, three ways of writing a ratio, and solving proportions by cross multiplying.
- Ratio and Proportion – Applications of Proportions.
This segment covers applications solved by setting up and solving proportions. The importance of like units in the numerators and like units in the denominators is stressed.
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