2022-2023 P6 Simple Probability

Simple Probability

Class 6 Supplementary Topic 2022-2023

​Using the information given in a statistical graph, learn how to estimate the possibilities of happening of some events and solve problems.

Fill in the Blanks

Lily has interviewed

classmates.

Drag and Drop

From the survey, we see that the number of classmates who like tortoises is the smallest. If we choose randomly one person among all the classmates, the chance that tortoise is his/her favourite animal will be

the ​

Placeholder

.

Drag these tiles and drop them in the correct blank above

smallest

greatest

Drag and Drop

If we choose randomly one person among all the classmates, I guess ​

Placeholder

will mostly be his/her favourite kinds of animals. It is because the number of them who like dogs is the ​

Placeholder

.​

Drag these tiles and drop them in the correct blank above

dogs

greatest

cats

tortoises

goldfish

smallest

Multiple Choice

In this experiment, the number of times of getting _____ is the greatest.

Drag and Drop

A ​

Placeholder

is the most difficult to get. It is because the chance of drawing a red marble is the ​

Placeholder

.

Drag these tiles and drop them in the correct blank above

cake

smallest

jelly cup

can of grape juice

greatest

Drag and Drop

A ​ ​

Placeholder

is the easiest to get. It is because the chance of drawing a yellow marble is the ​​

Placeholder

.

Drag these tiles and drop them in the correct blank above

jelly cup

greatest

can of grape juice

pack of candy

smallest

Dropdown

The chance of getting a can of grape juice (orange marble) is ​

Select answer

than that of getting a pack of candies (blue marble).

Dropdown

The chance of getting a pudding (green marble) is ​ ​

Select answer

than that of getting a jelly cup (yellow marble).

​Using fractions to represent probabilities

​Using fractions to represent probabilities

Multiple Choice

A marble is randomly drawn from the lucky draw box, the probability of

drawing a red marble is ​​​ ___ .

• $$\frac{30}{100}=\frac{3}{10}$$

• $$\frac{50}{100}=\frac{1}{2}$$

• $$\frac{15}{100}=\frac{3}{20}$$

• $$\frac{5}{100}=\frac{1}{20}$$

Multiple Choice

A marble is randomly drawn from the lucky draw box, the probability of

drawing a blue marble is ​​​ ___ .

• $$\frac{30}{100}=\frac{3}{10}$$

• $$\frac{50}{100}=\frac{1}{2}$$

• $$\frac{15}{100}=\frac{3}{20}$$

• $$\frac{5}{100}=\frac{1}{20}$$

Math Response

A marble is randomly drawn from the lucky draw box, the probability of

drawing a green marble is ​​​ ___ . (Give the answer as a fraction in its lowest terms.)

Type answer here

Correct Answer: \frac{1}{20}

Deg^°

Rad

Math Response

A marble is randomly drawn from the lucky draw box, the probability of

drawing a red or blue marble is ​​​ ___ .

** You may add the two fractions together to get the answer. (Give the answer as a fraction in its lowest terms.)

Type answer here

Correct Answer: \frac{9}{20}

Deg^°

Rad

​​Using fractions to represent probabilities

Dropdown

If we toss (throw) a fair coin: The probability of getting a ‘Head’ is ​​

Select answer

, the probability of getting a ‘Tail’ is ​ ​also

Select answer

.

Dropdown

If we toss (throw) a fair dice: The probability of getting a ‘1’ is ​​​

Select answer

.

Math Response

If we toss (throw) a fair dice: The probability of getting a ‘6’ is ​​​___ .

Type answer here

Correct Answer: \frac{1}{6}

Deg^°

Rad

Dropdown

If we toss (throw) a fair dice: The probability of getting an even number is ​​​ ​

Select answer

. (Even numbers are including '2', '4' and. '6')

Math Response

What is the probability of getting a number greater

 than or equal to 3 ?

Type answer here

Correct Answer: \frac{2}{3}

Deg^°

Rad

Math Response

What is the probability of getting a number

divisible by 2?

Type answer here

Correct Answer: \frac{1}{2}

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Rad

Dropdown

1) The probability of getting the number ‘8’ is ​

Select answer

.

2) The probability of getting a number less than 8 is ​

Select answer

.

Find probabilities from frequency tables

Find probabilities from statistical graphs

Dropdown

1) The probability that football is this pupil’s favourite ball game is ​

Select answer

.

2) The probability that badminton is this pupil’s favourite ball game is ​

Select answer

.

Dropdown

1) Mr. Chan bought a sports car last year from Wai Wai Motor Company, the probability that this sports car is yellow in colour is ​

Select answer

.

2) The probability that this sports car is blue or white in colour is ​​

Select answer

.

Math Response

Now a pupil is chosen from Class 6B, the probability of the height of this pupil is 1.6 metres is ___. (Express as a fraction)

Type answer here

Correct Answer: \frac{5}{28}

Deg^°

Rad

Math Response

Now a pupil is chosen from Class 6B, the probability of the height of this pupil is 1.8 metres or higher is ___. (Express as a fraction)

Type answer here

Correct Answer: \frac{5}{14}

Deg^°

Rad