Pascal's Triangle

Your mission is to write a pascal block that takes two numbers, row and column, as inputs. It should report the value at the corresponding position in Pascal's Triangle.

pascal framework

The number at row and column is the sum of the number at row-1 and ____ plus the number at row-1 and ____.

Choose one:

column, column + 1

Not quite. Try plugging in values for row and column.

column - 1, column + 1

Not quite. Try plugging in values for row and column.

column - 1, column

Nice!

column, column

Not quite. Try plugging in values for row and column.

The numbers that aren't the sum of two other numbers have the value ____ and are located at __________.

Choose one:

1, the top of pascal's triangle

Not quite.

1, the first and last columns of each row

Correct!

All numbers are a sum of two other numbers.

Not quite.

☞ Having answered these questions, try to complete your pascal block before going on.