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Units of Work

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Teaching and learning activities for around five classroom mathematics sessions. Units include links to the NZC, specific learning outcomes, descriptions of sequenced teaching and learning activities, useful questions to use with students, a list of the resource materials required, and any copymasters needed.

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Planning a statistical investigation (Level 3)

Level Three
Statistics
Units of Work
In this unit students will identify how to plan and carry out a statistical investigation about a topic of interest.
  • Pose investigative questions for statistical enquiry.
  • Plan for data collection.
  • Collect data.
  • Display collected data in an appropriate format.
  • Describe data collected referring to evidence in displays.
  • Make statements about implications or possible actions based on the results of an investigation.
  • Make...
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Carrots

Level Three
Statistics
Units of Work
In this unit we investigate the amount of water contained in a carrot and we use a time series graph to plot the "weight" of the carrot as the water in the carrot evaporates. The students also pose their own carrot investigative questions.
  • Plan a statistical investigation using the PPDAC cycle.
  • Choose an appropriate data display (bar graph, dot plot, time series graph).
  • Make statements about the findings of the investigation.
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Paper Planes: Level 4

Level Four
Integrated
Units of Work

In this unit, students investigate changing one variable to see if they can make a paper plane fly the longest. They will need to define what is meant by the longest. They use scatter plots to establish a possible relationship between variables, then use what they have found to make a paper plane to...

  • Design an investigation.
  • Measure length and time accurately.
  • Record data in tables.
  • Use scatter plots to display paired numerical data.
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Fridge Pickers

Level Three
Statistics
Units of Work
In this unit, using our fridge as the context, we collect and present data using dot plots and bar graphs. We start to learn about using the computer to display our data and explore features of data display.
  • Plan a statistical investigation.
  • Display data in dot plots, strip graphs and bar charts.
  • Discuss features of data display using middle, spread, and outliers.
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Sports

Level Three
Statistics
Units of Work
In this unit data about sporting activities is collected and presented using dot plots and bar graphs.
  • Display numerical data using dot plots.
  • Display categorical data using bar graphs.
  • Discuss features of data display.
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Data cards: Level 2

Level Two
Statistics
Units of Work
This unit introduces the students to a way of looking at information from a group of individuals, i.e. a data set.
  • Pose investigative questions.
  • Write data collection or survey questions to support collecting information for investigation.
  • Collect information.
  • Sort information into categories.
  • Display information to answer investigative questions or find out things.
  • Answer investigative questions by sorting...
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Planning a statistical investigation (Level 2)

Level Two
Statistics
Units of Work
In this unit students will identify how to plan and carry out a statistical investigation, looking at facts about their class as a context.
  • Write investigative questions for statistical investigations and design a method of collection of data.
  • Display collected data in an appropriate format.
  • Make statements about implications or possible actions based on the results of an investigation.
  • Make conclusions on the basis of statistical...
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Parties and favourites

Level Two
Statistics
Units of Work

In this unit we conduct a number of investigations using a party or favourites as a theme. Ākonga count, compare, organise, analyse, display and interpret data.

  • Pose investigative questions.
  • Plan for and collect category data.
  • Display data in tally charts, pictographs and bar graphs.
  • Make statements about data displays.
  • Answer investigative questions.
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Greedy Cat

Level One
Statistics
Units of Work
In this unit we explore ways to pose and answer investigative questions about cats by gathering and analysing data and discussing the results.
  • Pose investigative questions with support from the teacher.
  • With the teacher, decide on how to collect the data to answer the investigative question.
  • Sort objects into categories for display.
  • Make a display of the data collected (pictograph).
  • Make statements about data displays.
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I Like Toys

Level One
Statistics
Units of Work
In this unit we explore ways to pose and answer investigative questions about our favourites by gathering and analysing data and discussing the results.
  • Pose investigative questions with support from the teacher.
  • With the teacher decide on how to collect the data to answer the investigative question.
  • Sort objects into categories for display.
  • Make a display of the data collected (pictograph).
  • Make statements about data displays.