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To assess my understanding of averages.
Title Date To assess my understanding of averages. 17/09/2018 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?
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5 4 3 2 1 Averages I can extract and interpret information in simple tables and lists. I can use the mode and the range. I can calculate the mean and the median. I can compare two groups of data using range and an average. I can calculate the mean from a frequency table. I can use grouped data to find the modal class and estimates of the mean, median and range.
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Mode Median Mean Range Continuous Data Discrete Data
Key Words / Methods 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... Mode Median Mean Range Continuous Data Discrete Data
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How many students got 10 marks?
Fluency How many students got 10 marks? Problem Solving How many students did the test? Reasoning Two of the columns are the same height. What does this tell us? Look at the bar chart above and answer the questions opposite.
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Write a list of 6 numbers with a range of 10 and a mode of 6
2 Questions and Answers Fluency Kaz rolled a dice 10 times. Here are her scores What is the mode? What is the range? Problem Solving Write a list of 6 numbers with a range of 10 and a mode of 6 Reasoning 2, 3, 2, 7, 3 Jenny says that the mode of these numbers is 3. Is Jenny right? Give a reason for your answer.
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3 Questions and Answers Fluency The list shows the number of goals scored by Kevin's hockey team in each of 8 matches. Find the median. Find the mean.
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‘For a set of numbers, the mean is one of the numbers in the set.’
3 Questions and Answers Problem Solving Here are four number cards. One of the cards is turned over so you cannot see the number on it. The mean of the four numbers is 6 Work out the number you cannot see. Reasoning True or False? ‘For a set of numbers, the mean is one of the numbers in the set.’ You must explain your answer.
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Questions and Answers Fluency
4 Questions and Answers Fluency The table gives information about the numbers of badges gained by the younger girls in a Guide group. Work out the:- a) Mean b) Median c) Mode Number of badges Frequency 2 1 8 4 3 5
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You must give a reason for your answer.
4 Questions and Answers Reasoning Which is the best average to use to describe the number of badges gained by the younger girls? You must give a reason for your answer. Problem Solving There are 15 older girls in the Guide group. The mean number of badges gained by these 15 older girls is 4.4 Work out the mean number of badges gained by all of the girls in the Guide group.
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The table shows information about midday temperatures.
5 Questions and Answers Fluency The table shows information about midday temperatures. Work out an estimate for the mean midday temperature. Give your answer correct to 3 significant figures.
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Questions and Answers Problem Solving
5 Questions and Answers Problem Solving Make up a group frequency table that will give an estimated of mean of 5. Reasoning Explain why you can only find an estimate for the mean from a grouped frequency table.
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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…
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5 4 3 2 1 Averages I can extract and interpret information in simple tables and lists. I can use the mode and the range. I can calculate the mean and the median. I can compare two groups of data using range and an average. I can calculate the mean from a frequency table. I can use grouped data to find the modal class and estimates of the mean, median and range.
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My teachers probing question My answer
What I will do to act upon my ‘Even Better If’’ comment Strategy Tick / Comments 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) Dialogue marking sheet.
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