Pascal's Triangle

Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Binomial Theorem Description Help More...

Type the rest of numbers into this Pascal's
Triangle. The first six have already
been entered for you.

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Description of Levels



Level 1 - Fill in the numbers on a blank triangular grid

Level 2 - Colour in the even numbers to produce a surprising pattern

Level 3 - Colour in the multiples of 3 to produce a surprising pattern

Level 4 - Colour in the remainders when dividing by four in different colours

Level 5 - Colour in sets of six connected hexagons that have given sums

Level 6 - Use a calculator to find particularly large numbers from Pascal's Triangle

Exam Style Questions - A collection of problems in the style of GCSE or IB/A-level exam paper questions (worked solutions are available for Transum subscribers).

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Sieve of Eratosthenes

Sieve of Eratosthenes

A self checking, interactive version of the Sieve of Eratosthenes method of finding prime numbers.

The short web address is:


Number Grids

Number Grids

Investigate the properties of number with these interactive number grids which can be coloured in.

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Plinko Probability

Plinko Probability

A simulation of a Quincunx (Galton Board) which can be used to create the bell shaped curve of the normal distribution.

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Pascal's Patterns

Pascal's Patterns

See the number patterns on Pascal's Triangle with this colourful, interactive application.

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Constructing Pascal's Triangle.

Pascal's Triangle

Each number in Pascal's Triangle is the sum of the two numbers immediately above.

The numbers on the sloping outside edges are all one.

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