# Arithmetic formula

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Common geometry formulas you can use to calculate the area, perimeter, and circumference of various plane figures.

Negative Numbers Poster

Poster for geometric symbols.

Algebra Tool Kit Reference Sheet - Free Printable Cheat Sheets. Four pages of easy-to-memorize algebra formulas.-Homeschool Encouragement

Arithmetic

Arithmetic

Compounding is regular addition of interest to the invested amount of money at agreed intervals of time over the investment duration. Compounding can be done at popular time intervals such as monthly, quarterly, half-yearly and annually.

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Average speed is determined by applying the formula: (total distance travelled/total time taken). Average speed will be same as average of the two speeds if the two distances are travelled at same speeds. Otherwise, average speed over two different distances travelled at different speeds will be less than the average of the speed numbers.

Arithmetic