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Lesson Posted on 21 May Learn Mathematics
Sonal Gupta
Hello Learners! I am Sonal. I am MBA | B.ED having 15yrs of exp. as Math Educator. I am in ed-tech Industry...
Lesson Posted on 29 Apr Learn Mathematics
Algebra Basics - The Product of algebraic expressions
Deeksha
I have approximately 3 years of experience of teaching Mathematics across different boards including...
Lesson Posted on 21 Apr Learn Mathematics
Abhishek Sharma
I am a civil engineer graduate currently teaching Mathematics in Cambridge board in Ahmedabad. My key...
Classes explore different scenarios using manipulatives to learn about the difference between independent and dependent probability. Learners experiment with colored chips to model the two types of probabilities. To test their understanding, individuals sort independent and dependent probabilities into like groups.
Real Life Context The following examples could be used to explore real life contexts.
Looking at statistics from the Census, questions like:
• How long will I live?
• Will I get married?
• How many children will I have? These questions can be answered with some degree of certainty based on population statistics. Life assurance companies work out how much to charge for their premiums based on tables of life expectancy. Why are some premiums cheaper than others?
The following examples could be used to explore misconceptions:
• What is the most difficult number to get when throwing a fair die?
• Random events should have outcomes which appear random; for example, in the lotto theory tells us that any of the six numbers is equally likely to turn up, yet more people choose randomly spaced numbers than numbers which form a pattern like 1,2,3,4,5,6 etc.
• The likelihood of 2 consecutive numbers appearing in any Lotto draw (which is > 50%) could easily be investigated by reference to a number of recent draws.
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Answered on 16 May Learn Constructions
Pranjal B.
To construct a triangle Δ���ΔABC with ��=6AB=6 cm, ∠�=30∘∠A=30∘, and ∠�=60∘∠B=60∘, follow these steps:
To construct a similar triangle Δ��′�′ΔAB′C′ with base ��′=8AB′=8 cm, follow these steps:
Both triangles will be similar because they have corresponding angles of the same measure.
Answered on 29 Apr Learn Areas related to circles
Aniruddha Singh
PCM sream in 11 , Preparing for JEE
154/3 cm^{2}
^{EXPLANATION:-}
Answered on 19 Apr Learn Areas related to circles
Sadika
To find the radius of the circle formed by bending a wire into an arc subtending an angle of 60∘, we can use the formula for the length of an arc of a circle:
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Answered on 19 Apr Learn Areas related to circles
Sadika
To solve this problem, we first find the area the calf can graze with a rope of length 6 m and then find the area it can graze with a rope of length 11.5 m. The difference between these areas will give us the increase in the area of the grassy lawn the calf can graze.
Answered on 29 Apr Learn Areas related to circles
Aniruddha Singh
PCM sream in 11 , Preparing for JEE
Answered on 19 Apr Learn Probability
Sadika
To find the probability of not drawing a white marble, we need to consider the total number of marbles in the box and the number of marbles that are not white.
Given:
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Answered on 19 Apr Learn Probability
Sadika
In a standard deck of 52 playing cards, there are 2 black queens: the queen of spades and the queen of clubs.
Total number of possible outcomes (total number of cards): There are 52 cards in a standard deck.
Total number of favorable outcomes (black queens): There are 2 black queens in the deck.
Now, let's calculate the probability of drawing a black queen:
Probability=Number of favorable outcomesTotal number of possible outcomes
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