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Hi-Low Predictions


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You need to predict whether the next card to be turned over will have a higher or lower value than the previous card.

What is the probability of the next card being than the previous card?


How much of your £10 would you like to wager that the next card will be ?


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"Numeracy is a proficiency which is developed mainly in Mathematics but also in other subjects. It is more than an ability to do basic arithmetic. It involves developing confidence and competence with numbers and measures. It requires understanding of the number system, a repertoire of mathematical techniques, and an inclination and ability to solve quantitative or spatial problems in a range of contexts. Numeracy also demands understanding of the ways in which data are gathered by counting and measuring, and presented in graphs, diagrams, charts and tables."

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Go Maths

Learning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths main page links to more activities designed for students in upper Secondary/High school.


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The probability of the next card being higher/lower should be written as a fraction.

The numerator should be the number of cards in the suit that are higher/lower than the last card and have not yet been turned face up.

The denominator should be the total number of cards in the suit that have not yet been turned face up.

You can use the following table showing a full suit to help you count the cards to work out the numerator and denominator of the probability fraction.

  1 2 3 4 5 6 7 8 9 10 11 12 13  
Not yet turned face up and higher/lower: 0
Not yet turned face up: 0

The final thing you may wish to do is write the fraction in its lowest terms.