Volume and Surface Area of Sphere

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Lois Rollings

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Lois Rollings 8 years, 8 months ago

Published this.

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Lois Rollings 9 years, 1 month ago

Created this.

Name	Status	Author	Last Modified
Volume and Surface Area of Sphere	draft	Lois Rollings	28/07/2016 12:11
Volume and Surface Area of Sphere	draft	Paul Howes	14/11/2016 00:02
Hannah's copy of Volume and Surface Area of Sphere	draft	Hannah Bartholomew	07/12/2016 10:27
Kwame's copy of Volume and Surface Area of Sphere	draft	Kwame D Dwamena	15/06/2019 14:52

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Question statement

A sphere has a {rord} of {a} cm.

Find its volume and surface area, rounding your answers to 1 d. p.

Use the $\pi$ button on your calculator or the value $\pi= 3.142$

Give any introductory information the student needs.

			Name	Type	Generated Value

rord	string	radius
r	number	3.5
a	number	3.5
vol	number	179.5943800302
sa	number	49 pi

Automatically regenerate variables?

Name

Data type

Value

xxxxxxxxxx
 
random('radius', 'diameter')

JME function reference

Description

Describe what this variable represents, and list any assumptions made about its value.

Can an exam override the value of this variable?

Generated value: `string`

radius

This variable doesn't seem to be used anywhere.

Parts

Part a) Gap-fill
1. Gap Number entry
  Add
Part b) Gap-fill
1. Gap Number entry
  Add

Gap-fill

Ask the student a question, and give any hints about how they should answer this part.

Volume is Unnamed gap cm³

Advice

Recall that the volume, $V$ , of a sphere is given by the formula $V = \dfrac { 4}{3}\pi r^3$ where $r$ is the radius.

The surface area, $S$ , is given by $S = 4 \pi r^2$ .

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Part	Test	Passed?
Gap-fill
Gap-fill		Hasn't run yet
Number entry
Number entry		Hasn't run yet
Gap-fill
Gap-fill		Hasn't run yet
Number entry
Number entry		Hasn't run yet

This question is used in the following exam:

Mensuration Practice by Lois Rollings in Module tests.

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Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

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History

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Checkpoint description

Lois Rollings 8 years, 8 months ago

Lois Rollings 9 years, 1 month ago

Error in variable testing condition

Error

Warning

Generated value: `string`

Parts

Gap-fill

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Volume and Surface Area of Sphere

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

History

Comment

Checkpoint description

Lois Rollings 8 years, 8 months ago

Lois Rollings 9 years, 1 month ago

Error in variable testing condition

Error

Warning

Generated value: string

Parts

Gap-fill

Generated value: `string`