Posted by Peter on 27th July 2007

Maths worksheets: Probability. Y6

data 1The language of probability develops further in year 6 to include:
perhaps, might, fair, unfair, biased, random, likely, unlikely, equally likely, chance, certain, uncertain, probable, possible, impossible, good chance, poor chance, no chance, equal chance, even chance, evens, fifty-fifty chance, likelihood, probability, possibility, and, or, not.

Children should understand the probability scale from 0 to 1 and be able to put events in the appropriate place on the probability scale according to the likelihood of the event happening. A probability of 0 means that something is impossible. A probability of 1 means that something is certain to happen. Sometimes children think that some events have a probability of 0 or 1 when in fact they are quite near these values, but not actually 0 or 1. For example it is highly unlikely that we shall have built a bridge across the Atlantic Ocean by the year 2030, but this is not actually impossible, therefore the probability of it happening is extremely small, but not equal to zero. Likewise, the probability of the Sun rising as usual every morning for the next year is very high but not actually 1 as there is a very small chance of some cataclysmic event happening in the Solar System.

Two maths worksheets below look at the probability line from 0 to 1.

6701-01 Probability (pg 1)

6701-02 Probability (pg 2)

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