Compute reciprocal of a number

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Merryn Horrocks

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Question statement

Compute the reciprocals of the following numbers: (To enter $\dfrac{5}{7}$ , type 5/7)

Give any introductory information the student needs.

			Name	Type	Generated Value

rawn1	integer	34
rawd1	integer	48
n1	number	17
d1	number	24
rawn2	integer	6
rawd2	integer	2
n2	number	3
d2	number	1
i1	integer	-1

Automatically regenerate variables?

Name

Data type

Value

xxxxxxxxxx
 
random(1..50)

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: `integer`

→ Used by:

d1
n1
rawd1

This variable doesn't seem to be used anywhere.

Parts

Gap-fill
1. Gap Gap 0. Number entry
  Add
2. Gap Gap 1. Number entry
  Add
3. Gap Gap 2. Number entry
  Add

Gap-fill

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

(a) Reciprocal of $\dfrac{\var{n1}}{\var{d1}}$ is Gap 0.

(b) Reciprocal of $\dfrac{\var{n2}}{\var{d2}}$ is Gap 1.

Advice

Find the reciprocal by inverting the number.

If a number is a whole number, first write it as a fraction with a denominator of 1.

If a number is negative, its reciprocal is also negative.

Give a worked solution to the whole question.

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There was an error which means the tests can't run:

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

This question is used in the following exam:

HELM Book 1.1.5 exercises by Merryn Horrocks in HELM books.

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Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

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Checkpoint description

Merryn Horrocks 1 year, 9 months ago

Merryn Horrocks 1 year, 9 months ago

Merryn Horrocks 1 year, 9 months ago

Error in variable testing condition

Error

Warning

Generated value: `integer`

Parts

Gap-fill

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Compute reciprocal of a number

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

Feedback

History

Comment

Checkpoint description

Merryn Horrocks 1 year, 9 months ago

Merryn Horrocks 1 year, 9 months ago

Merryn Horrocks 1 year, 9 months ago

Error in variable testing condition

Error

Warning

Generated value: integer

Parts

Gap-fill

Generated value: `integer`