Reach Crest Learning

Year 9 · Computing

Year 9 Computing worksheets

Each lesson has four online activities and four different printable worksheets.

Programming

State what a function promises

Open lesson

Work online

Type your answers and submit them to your account.

1State what a function promises - Online practice 1Open online → 2State what a function promises - Online practice 2Open online → 3State what a function promises - Online practice 3Open online → 4State what a function promises - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1State what a function promises - Paper 1View PDF worksheet → 2State what a function promises - Paper 2View PDF worksheet → 3State what a function promises - Paper 3View PDF worksheet → 4State what a function promises - Paper 4View PDF worksheet →

Programming

Separate the algorithm from its syntax

Open lesson

Work online

Type your answers and submit them to your account.

1Separate the algorithm from its syntax - Online practice 1Open online → 2Separate the algorithm from its syntax - Online practice 2Open online → 3Separate the algorithm from its syntax - Online practice 3Open online → 4Separate the algorithm from its syntax - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Separate the algorithm from its syntax - Paper 1View PDF worksheet → 2Separate the algorithm from its syntax - Paper 2View PDF worksheet → 3Separate the algorithm from its syntax - Paper 3View PDF worksheet → 4Separate the algorithm from its syntax - Paper 4View PDF worksheet →

Programming

Track a result across a collection

Open lesson

Work online

Type your answers and submit them to your account.

1Track a result across a collection - Online practice 1Open online → 2Track a result across a collection - Online practice 2Open online → 3Track a result across a collection - Online practice 3Open online → 4Track a result across a collection - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Track a result across a collection - Paper 1View PDF worksheet → 2Track a result across a collection - Paper 2View PDF worksheet → 3Track a result across a collection - Paper 3View PDF worksheet → 4Track a result across a collection - Paper 4View PDF worksheet →

Programming

Clean representation without changing meaning

Open lesson

Work online

Type your answers and submit them to your account.

1Clean representation without changing meaning - Online practice 1Open online → 2Clean representation without changing meaning - Online practice 2Open online → 3Clean representation without changing meaning - Online practice 3Open online → 4Clean representation without changing meaning - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Clean representation without changing meaning - Paper 1View PDF worksheet → 2Clean representation without changing meaning - Paper 2View PDF worksheet → 3Clean representation without changing meaning - Paper 3View PDF worksheet → 4Clean representation without changing meaning - Paper 4View PDF worksheet →

Programming

Test boundaries and failure paths

Open lesson

Work online

Type your answers and submit them to your account.

1Test boundaries and failure paths - Online practice 1Open online → 2Test boundaries and failure paths - Online practice 2Open online → 3Test boundaries and failure paths - Online practice 3Open online → 4Test boundaries and failure paths - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Test boundaries and failure paths - Paper 1View PDF worksheet → 2Test boundaries and failure paths - Paper 2View PDF worksheet → 3Test boundaries and failure paths - Paper 3View PDF worksheet → 4Test boundaries and failure paths - Paper 4View PDF worksheet →

Algorithms

Count work under stated assumptions

Open lesson

Work online

Type your answers and submit them to your account.

1Count work under stated assumptions - Online practice 1Open online → 2Count work under stated assumptions - Online practice 2Open online → 3Count work under stated assumptions - Online practice 3Open online → 4Count work under stated assumptions - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Count work under stated assumptions - Paper 1View PDF worksheet → 2Count work under stated assumptions - Paper 2View PDF worksheet → 3Count work under stated assumptions - Paper 3View PDF worksheet → 4Count work under stated assumptions - Paper 4View PDF worksheet →

Algorithms

Maintain a sorted part

Open lesson

Work online

Type your answers and submit them to your account.

1Maintain a sorted part - Online practice 1Open online → 2Maintain a sorted part - Online practice 2Open online → 3Maintain a sorted part - Online practice 3Open online → 4Maintain a sorted part - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Maintain a sorted part - Paper 1View PDF worksheet → 2Maintain a sorted part - Paper 2View PDF worksheet → 3Maintain a sorted part - Paper 3View PDF worksheet → 4Maintain a sorted part - Paper 4View PDF worksheet →

Algorithms

Keep what the task needs

Open lesson

Work online

Type your answers and submit them to your account.

1Keep what the task needs - Online practice 1Open online → 2Keep what the task needs - Online practice 2Open online → 3Keep what the task needs - Online practice 3Open online → 4Keep what the task needs - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Keep what the task needs - Paper 1View PDF worksheet → 2Keep what the task needs - Paper 2View PDF worksheet → 3Keep what the task needs - Paper 3View PDF worksheet → 4Keep what the task needs - Paper 4View PDF worksheet →

Systems

Instructions and data use memory

Open lesson

Work online

Type your answers and submit them to your account.

1Instructions and data use memory - Online practice 1Open online → 2Instructions and data use memory - Online practice 2Open online → 3Instructions and data use memory - Online practice 3Open online → 4Instructions and data use memory - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Instructions and data use memory - Paper 1View PDF worksheet → 2Instructions and data use memory - Paper 2View PDF worksheet → 3Instructions and data use memory - Paper 3View PDF worksheet → 4Instructions and data use memory - Paper 4View PDF worksheet →

Systems

A fixed number of bits has a limit

Open lesson

Work online

Type your answers and submit them to your account.

1A fixed number of bits has a limit - Online practice 1Open online → 2A fixed number of bits has a limit - Online practice 2Open online → 3A fixed number of bits has a limit - Online practice 3Open online → 4A fixed number of bits has a limit - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1A fixed number of bits has a limit - Paper 1View PDF worksheet → 2A fixed number of bits has a limit - Paper 2View PDF worksheet → 3A fixed number of bits has a limit - Paper 3View PDF worksheet → 4A fixed number of bits has a limit - Paper 4View PDF worksheet →

Systems

Count pixels and bits per pixel

Open lesson

Work online

Type your answers and submit them to your account.

1Count pixels and bits per pixel - Online practice 1Open online → 2Count pixels and bits per pixel - Online practice 2Open online → 3Count pixels and bits per pixel - Online practice 3Open online → 4Count pixels and bits per pixel - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Count pixels and bits per pixel - Paper 1View PDF worksheet → 2Count pixels and bits per pixel - Paper 2View PDF worksheet → 3Count pixels and bits per pixel - Paper 3View PDF worksheet → 4Count pixels and bits per pixel - Paper 4View PDF worksheet →

Systems

Smaller representations have trade-offs

Open lesson

Work online

Type your answers and submit them to your account.

1Smaller representations have trade-offs - Online practice 1Open online → 2Smaller representations have trade-offs - Online practice 2Open online → 3Smaller representations have trade-offs - Online practice 3Open online → 4Smaller representations have trade-offs - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Smaller representations have trade-offs - Paper 1View PDF worksheet → 2Smaller representations have trade-offs - Paper 2View PDF worksheet → 3Smaller representations have trade-offs - Paper 3View PDF worksheet → 4Smaller representations have trade-offs - Paper 4View PDF worksheet →

Systems

A secure connection is not a truth certificate

Open lesson

Work online

Type your answers and submit them to your account.

1A secure connection is not a truth certificate - Online practice 1Open online → 2A secure connection is not a truth certificate - Online practice 2Open online → 3A secure connection is not a truth certificate - Online practice 3Open online → 4A secure connection is not a truth certificate - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1A secure connection is not a truth certificate - Paper 1View PDF worksheet → 2A secure connection is not a truth certificate - Paper 2View PDF worksheet → 3A secure connection is not a truth certificate - Paper 3View PDF worksheet → 4A secure connection is not a truth certificate - Paper 4View PDF worksheet →

Projects

Choose a display that answers the question

Open lesson

Work online

Type your answers and submit them to your account.

1Choose a display that answers the question - Online practice 1Open online → 2Choose a display that answers the question - Online practice 2Open online → 3Choose a display that answers the question - Online practice 3Open online → 4Choose a display that answers the question - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Choose a display that answers the question - Paper 1View PDF worksheet → 2Choose a display that answers the question - Paper 2View PDF worksheet → 3Choose a display that answers the question - Paper 3View PDF worksheet → 4Choose a display that answers the question - Paper 4View PDF worksheet →

Projects

Test whether people can use the interface

Open lesson

Work online

Type your answers and submit them to your account.

1Test whether people can use the interface - Online practice 1Open online → 2Test whether people can use the interface - Online practice 2Open online → 3Test whether people can use the interface - Online practice 3Open online → 4Test whether people can use the interface - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Test whether people can use the interface - Paper 1View PDF worksheet → 2Test whether people can use the interface - Paper 2View PDF worksheet → 3Test whether people can use the interface - Paper 3View PDF worksheet → 4Test whether people can use the interface - Paper 4View PDF worksheet →

Projects

Judge the result against requirements

Open lesson

Work online

Type your answers and submit them to your account.

1Judge the result against requirements - Online practice 1Open online → 2Judge the result against requirements - Online practice 2Open online → 3Judge the result against requirements - Online practice 3Open online → 4Judge the result against requirements - Online practice 4Open online →

Print and upload

Download a different PDF, complete it on paper and upload your work.

1Judge the result against requirements - Paper 1View PDF worksheet → 2Judge the result against requirements - Paper 2View PDF worksheet → 3Judge the result against requirements - Paper 3View PDF worksheet → 4Judge the result against requirements - Paper 4View PDF worksheet →