Pascal’s Triangle: Exercise

Problems about Pascal’s triangle itself: building rows, missing numbers, row sums, the numbers down a diagonal, powers of 11, 101 and 1001, counting routes, heads and tails, and (extension) neighbours in a given ratio · eight levels, timed, full worked solutions

Each number is the sum of the two numbers above it. Rows are named by how they start: the row that starts 1, n. Explore every pattern in the Pascal’s Triangle Explorer.
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