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LO To assess my understanding of types of Probability. Key Words: Reflect, Communicate, Explain, Justify RAG 17-Jul-15 Starter Activity Complete the ‘Heard the Word Grid.’ Are there any key words that you have learnt or have a better understanding of now than you did at the start of this unit of work? Key Words Event Outcome Random Biased / Unbiased Theoretical Probability Experimental Probability Mutually exclusive Never heard before? Heard of but not sure what it means? Know what it means and can explain it in context Jot down your ideas here... Level 3 Questions and Answers Draw an arrow to match each statement to a key word Statement Key Word Getting an even number when I roll a normal six sided dice. Impossible Getting a number that is 6 or less when I roll a normal six sided dice. Even Chance. Getting a 7 when I roll a normal six sided dice. Certain Complete these statements :It is impossible that when I roll a normal 6 sided dice I will get a ………………… It is certain that when I flip a coin I will get either …………………. When I flip a coin there is an even chance of ………………………………. Level 4 Question Answer The picture shows a fair spinner. Look at the key words below:- Even chance Impossible Likely Certain Unlikely Next to each of the following sentences write the key word which describes the probability Getting a 6………………………………………………………. Getting a number less than 6…………………………… Getting a 1…………………………………………………………. Getting either a 3 a 4 or 5 ………………………… Which key word haven’t you used? Why? Level Question 5c In a packet of Skittles there are:5 red 4 blue 3 green 2 orange 6 yellow Ben chooses a Skittle without looking. What is the Probability that Ben chooses a red skittle? Write your answer as a decimal a fraction or a percentage. 5b True or False ? When rolling a fair die, the probability of getting a six is greater than the probability of getting a one. Explain your answer. 5a True or False? When you flip a coin, the probability of getting a head is 0.5. So if you spin a coin ten times you would get exactly 5 heads. Explain your answer. Answer Level Questions 6c Look at the spinners below. They are both fair spinners. The scores on the spinners are added. Complete the sample space diagram opposite to show all the possible outcomes. 6b Explain how you would use the sample space diagram to find the probability of scoring less than 5? 6a Explain how you would use the sample space diagram to find the probability of scoring a 3 or a 5? Answers + Level Question 7c Explain the difference between using theoretical probability and using experimental probability to find the probability of getting a 6 when you roll a dice. 7b Describe a situation that would require the use of experimenting to estimate a probability. 7a True or False? ‘Experimental probability is more reliable than theoretical probability.’ Explain your answer. Answer Use the space below to set yourself a question similar to the ones you were able to answer confidently. Use the space below to answer the question that you have set yourself My own question… My answer… My own question… My answer… Probability Skills Level 3 4 5 6 7 I can use the probability words impossible, certain and even chance to describe the probability of an event occurring. I can use the language of probability to describe the probability of an event occurring. I can describe the probability of an event happening using a fraction, decimal or percentage. I can list all the possible outcomes to calculate probabilities. I can complete a sample space diagram and use it to calculate probabilities. I understand the difference between experimental and theoretical probability. I can use relative frequency as an estimate and to compare the outcomes of experiments. Use the learning journey above to highlight the mathematical skills that you have now which you didn’t have at the start of the unit of work. How much progress have you made? What can you do to improve your skills as a learner in order to make even better progress? My teachers probing question My answer What I will do to act upon my ‘Even Better If’’ comment Strategy Complete a mymaths lesson or booster pack Use a revision guide or text book Ask my teacher to explain during a lesson Ask a peer to explain during a lesson Ask someone at home to help Attend a revision session at school Attend homework club Something else (describe your strategy here) Tick the strategy you will use.