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OUTCOME
A student:
MA2-19SP: describes and compares chance events in social and experimental contexts
| TEACHING POINT | Theoretically, when a fair coin is tossed, there is an equal chance of obtaining a head or a tail. If the coin is tossed and five heads in a row are obtained, there is still an equal chance of a head or a tail on the next toss, since each toss is an independent event. |
| LANGUAGE | Students should be able to communicate using the following language: chance, event, possible, impossible, likely, unlikely, less likely, more likely, most likely, least likely, equally likely, experiment, outcome. |
Describe possible everyday events and order their chances of occurring (ACMSP092) | use the terms ‘equally likely’, ‘likely’ and ‘unlikely’ to describe the chance of everyday events occurring, eg ‘It is equally likely that you will get an odd or an even number when you roll a die’ {Literacy} |
| compare the chance of familiar events occurring and describe the events as being ‘more likely’ or ‘less likely’ to occur than each other {Literacy} | |
| order events from least likely to most likely to occur, eg ‘Having 10 children away sick on the same day is less likely than having one or two away’ | |
| compare the likelihood of obtaining particular outcomes in a simple chance experiment, eg for a collection of 7 red, 13 blue and 10 yellow marbles, name blue as being the colour most likely to be drawn out and recognise that it is impossible to draw out a green marble. |
| Identify everyday events where one occurring cannot happen if the other happens (ACMSP093) | identify and discuss everyday events occurring that cannot occur at the same time, eg the sun rising and the sun setting {Critical and creative thinking} |
Identify events where the chance of one occurring will not be affected by the occurrence of the other (ACMSP094) | identify and discuss events where the chance of one event occurring will not be affected by the occurrence of the other, eg obtaining a ‘head’ when tossing a coin does not affect the chance of obtaining a ‘head’ on the next toss |
| – explain why the chance of each of the outcomes of a second toss of a coin occurring does not depend on the result of the first toss, whereas drawing a card from a pack of playing cards and not returning it to the pack changes the chance of obtaining a particular card or cards in future draws {Communicating, Literacy, Critical and creative thinking} | |
| compare events where the chance of one event occurring is not affected by the occurrence of the other, with events where the chance of one event occurring is affected by the occurrence of the other, eg decide whether taking five red lollies out of a packet containing 10 red and 10 green lollies affects the chance of the next lolly taken out being red, and compare this to what happens if the first five lollies taken out are put back in the jar before the sixth lolly is selected {Critical and creative thinking} |
To be added
WE ARE CLOSED FOR THE HOLIDAYS – DECEMBER 21 – JANUARY 4 2021
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