This topic focuses on practicing the multiplication of various numbers by the mathematical constant Pi (π), using its approximate value (3.14). The skills practiced include understanding and performing multiplication involving Pi as an approximate number, and selecting the correct product from multiple-choice options. This set of problems is part of an introduction to calculating the circumference of a circle in geometry. Each problem presents a multiplication question involving Pi and multiple answers, requiring the selection of the correct approximation.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
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Approximate this number multiplied by Pi (π)
9 x π
(π = 3.14 or just a little more than 3)