Orchid asked Ohlm to get her 18 apples and 15 hot chocolates, but he comes back empty-handed because the cook, Oksana, only hands out snacks in groups of ten. Orchid doesn't need the exact amount of snacks she asked for, so Otis suggests rounding to the nearest ten. Since Ohlm is not familiar with how to round, Otis explains it to him.

Square One TV shows kids how to properly round numbers. Mathematics R US offers a rounding service for their customers. They offer a special price in exchange for rounding numbers to the nearest tenth.

A student approaches his professor to discuss the books he needs to buy for the upcoming year.

Round values with .5 and above to the nearest whole number while for .5 and below, to the lower whole number.

David Stringer explains ancient Pythagoras' findings about right triangles. He illustrates the Pythagorean Theorem and explains how special right triangles with the ratio 3:4:5 can be scaled up to any size.