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Dijkstra's Algorithm

Dijkstra's algorithm finds the shortest path for a given problem. Dijkstra's algorithm can be used to find the shortest route between two cities. This algorithm is so powerful that it not only finds the shortest path from a chosen source to a given destination, it also finds all of the shortest paths from the...

Hello World Haskell for Key Stage 1 and PD

In this article from Hello World we discuss how the foundations of computer science can contribute to Key Stage 1 mathematics and vice versa.

UTOPIAE - CPD for Advanced Higher Physics/Maths teachers

UTOPIAE presents two...

Abstraction Unplugged

This short activity for primary school computing uses art to introduce the concept of abstraction. During a ‘guess what’ game the children are asked to represent a word on a card using drawing or modelling – in doing so they unconsciously concentrate on just the most important aspects of the idea they are...

Logical Number Sequences Activity

Combining maths and computational thinking, this Barefoot Computing activity for upper primary uses linear number sequences to introduce algorithms in computing. Children work collaboratively to apply logical thinking and pattern recognition - key concepts used across the Barefoot Computing project. While using...

Logical Number Reasoning Activity

This activity combines computing and maths to look at algorithms. Children are challenged to solve missing number problems in number sequences, using logical reasoning. Additional challenges are then presented, and children are asked to share not just the answer, but the approach they took to solving the problem...

Animated Poem Decomposition Activity

This cross-curricular computing / ICT activity helps children to understand decomposition. They choose a poem and create an animation using Scratch; this encourages them to think deeply about the poem, and to explore the tools available. Children break the poem into pieces (decomposition), then plan the animation...

Scratch Maths Quiz Variables

This Barefoot Computing resource builds on the ‘Maths quiz with selection’ learning activities which should be undertaken first.

It involves improving an existing Scratch maths quiz and adding score-keeping using variables – a quiz Scratch file is provided for students who do not have access to one they made...

Decomposition Unplugged

This computing resource for primary schools introduces the concept of decomposition through dance. Using combinations of hand-jive, clapping or tutting, the lesson demonstrates how complex sequences of instructions (algorithms) can be broken down into smaller chunks. The children are challenged to look for patterns...

Writing a Flowchart

This engineering activity, suitable for children in computing lessons, looks at the basics of flowchart construction.

Simple examples, such as the decisions made by a dog chasing a stick, are used to make flowchart representation of algorithms accessible to younger children.

A simple design activity...

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