9.3 investigation probability (dice racing)121 for web1

7/29/2019 9.3 Investigation Probability (Dice Racing)121 for Web1

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Grade 9 Mathematics

Investigation Dice racing

Indicator: 9.3 - Determine relative frequencies and theoretical probabilities

WHO WILL WIN THE RACE?

Student names: Class:

Students have 2 class periods to complete the following task.The investigation is to be carried out in pairs, and in groups offour (Q8 only).

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PART ONE

1. What is the probability of getting a 6 when you rolla dice?

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2. Khalfan throws a dice and gets four 6s in a row.What is the probability of getting a 6 on his nextthrow?

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5. Play the game again and record your results.

121110987654321Num

ber

Nam

e

6. Based on your data from both games, what is theprobability of:a) Rolling a total of 4?b) Rolling a total of 6?c) Rolling a total of 11?

:)4)6)11


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8. Work with another pair and collect all your results

below (4 games altogether).

) )(Organising information and data)

9. Return to working in your pair. Look at your datain Q8. What do you notice? Is there a pattern?

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PART TWO

12. Collect the results for the whole class below. ()

() (Organising information and data)

13. Return to working in your pair. Look at your datain Q12. What do you notice? Is there a pattern?

.12.

)( ( l d )


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ASSESSMENT CRITERIA: INVESTIGATIONS

Skill Criteria 4 3 2 1 0

Inquiring

Experimenting

Following

Instructions

- Follows almost allinstructions in thetask accurately

- Follows mostinstructions in thetask accurately

- Follows someinstructions in thetask accurately

- Follows fewinstructions in thetask accurately

- Follows noinstructions in thetask accurately

Handling

Researching

Organisinginformation/

data

- Organises allinformationaccurately

- Includes allnecessary features

- Organises mostinformationaccurately

- Includes mostnecessary features

- Organises someinformationaccurately

- Includes somenecessary features

- Organises littleinformationaccurately

- Includes fewnecessary features

- Organises noinformationaccurately

Understanding

Analysing

Explaining

- Gives complete andaccuratedescriptions andreasons for results

- Gives complete andaccuratedescriptions andpartly completeand accuratereasons for results

- Gives complete andaccuratedescriptions

- Gives partlycomplete andaccuratedescriptions

- Gives no accuratedescriptions

OR

- Repeatsmathematicalterms for results

Evaluating

Reflecting

Making

informed

judgements/

decisions

- Forms an opinionthat is supportedentirely by theevidence available

- Forms an opinionthat is supportedmostly by theevidence available

- Forms an opinionthat uses someevidence

- Forms an opinion - Forms no opinion

Participating

(Choose the

appropriatecriterion)

Collaborating

with other

students

- Contributes fully tothe groups work

- Understands thegroups results

completely

- Contributes fully tothe groups work

- Understands mostof the groups

results

- Contributes partlyto the groups work

- Understands someof the groups

results

- Contributes little tothe groups work

- Understands littleof the groups

results

- Makes nocontribution

Workingindependently

and

persevering

- Requires almost nosupervision or

encouragement- Tries to complete

almost all taskactivities

- Requires somesupervision or


most task activities

- Requires regularsupervision or


some task activities

- Requires frequentsupervision or


few task activities

- Requires constantsupervision to

complete any taskactivities

OR

- Seeks immediatehelp

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: 0 1 2 3 4

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-

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-.

-.

-

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-.

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-.

-

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/

-.

-.

-.

-

.

-.

-

.-. -. -

.-

.-

. /

-. -.

-.

-

.

-

.

-

.

()

-

.

-

. -.

-

.-

.

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. -.

-

. -.

-.

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9.3 investigation probability (dice racing)121 for web1

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