Basic Percentages

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Mark Hodds 5 years, 9 months ago

Created this as a copy of Q2 Basic Percentages.

Name	Status	Author	Last Modified
Q1 Percentages	draft	TEAME CIT	11/10/2016 22:23
Q1 percentages	Ready to use	TEAME CIT	06/10/2016 15:47
Q2 Basic Percentages	draft	TEAME CIT	09/10/2016 19:57
Lois's copy of Q1 Percentages	draft	Lois Rollings	07/12/2016 15:46
Simon's copy of Q2 Basic Percentages	draft	Simon Thomas	21/02/2019 14:33
Simon's copy of Q1 percentages	draft	Simon Thomas	21/02/2019 14:26
Basic Percentages	draft	Mark Hodds	05/07/2019 12:32
Basic Percentages 2	draft	Mark Hodds	18/06/2019 13:16
Basic Percentages 3	draft	Mark Hodds	05/07/2019 12:19
Fractions Decimals Percentages	draft	Mark Hodds	05/07/2019 12:07

There are 8 other versions that do you not have access to.

Question statement

Give any introductory information the student needs.

			Name	Type	Generated Value

a	integer	150
b	integer	30
ans	rational	500
c	integer	270
d	integer	30
ans1	rational	900
ans2	rational	105
ans3	rational	189
ans4	rational	555
z	rational	45

Automatically regenerate variables?

Name

Data type

Value

xxxxxxxxxx
 
random(2..10)*b

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`

150

← Depends on:

→ Used by:

ans
ans2
ans4
z

This variable doesn't seem to be used anywhere.

Parts

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Part b) Gap-fill
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Part c) Gap-fill
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Part d) Gap-fill
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Part e) Gap-fill
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Gap-fill

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

If $\var{b}$ % of a number is $\var{a}$ , what was the original amount?

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Advice

Parts a and b

To answer this question, we need to first find $1$ % and then multiply by $100$ to get to the original amount.

This is given by the formula: $\frac{\text{Amount given}}{\text{Percentage}} \times 100$

In part a, $\frac{\var{a}}{\var{b}} \times 100 = \var{ans}$

Parts c, d, and e

For these parts you need to find the percentage given of the original amount first.

For part c this is $\frac{\var{a}}{{100}}\times\var{d} = \var{z}$ . (Remember you can use your own method to do this, you don't necessarily have to follow this one!)

Then, you subtract (if it is a reduction) or add (if it is an increase) to the original amount: $\var{a} - \var{z} = \var{ans2}$

Give a worked solution to the whole question.

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This question is used in the following exams:

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Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

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Checkpoint description

Mark Hodds 5 years, 9 months ago

Error in variable testing condition

Error

Warning

Generated value: `integer`

Parts

Gap-fill

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Basic Percentages

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

History

Comment

Checkpoint description

Mark Hodds 5 years, 9 months ago

Error in variable testing condition

Error

Warning

Generated value: integer

Parts

Gap-fill

Generated value: `integer`