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Chapter 6.1

Chapter 6.1

Assessment

Presentation

•

Mathematics

•

8th Grade

•

Practice Problem

•

Hard

Created by

Kanaga Kannathasan

Used 4+ times

FREE Resource

4 Slides • 8 Questions

1

​​​Classroom practice
1.) Be on time to class. Only 5 minutes waiting time is given before the lesson begins.

2.) Please make sure all your laptops, textbook , notebooks and stationary sets are with you at all times. You are not allowed to leave the classroom once you have entered. Strictly no handphones allowed.
3.) Listen to your teacher while she is talking.
4.) Show some respect to your peers when they are answering questions.
5.) Please be on your best behaviour at all times.
6.) Raise your hand if you would like to ask questions, answer or if you would like to use the washroom.
7.) Homework submission : - Date will be given - Only three warnings - Parents will be contacted - Always check your google classroom for the summary of the day - Messy handwritting will not be entertained - Practice invidual marking or peer markings before the books are being collected.
8.) Keep the class clean at all times and push in the chairs before leaving the classroom.
9.) Last but not least, I am looking forward for good grades and enjoyable learning environment from all of you.

2

Learning Objective:​
Learn to select, trial and justify data collection and sampling methods to investigate predictions for a set of related statistical questions

Success Criteria:
- Learners can differentiate between categorical, discrete and continuous data.
- Learners can decide what data to collect and how to collect it.
- Learners can list the methods of collecting data.
- Learners can identify and collect data to answer a question; select the method of collection, sample size and degree of accuracy needed for measurements.

​6.1 : data Collection

3

media
media
media

4

media
media

5

Multiple Choice

Nasima collects data to find out about the benefits of living near the centre of her town.

How many people should Nasima ask?

1

One person who lives near her

2

Her family and friends

3

Twenty people who live in the town

4

Everyone who lives in her town

6

Multiple Choice

Marek records data about how much time learners in his school spend on homework.

What type of data does he collect?

1

Discrete

2

Continuous

7

Multiple Choice

Which method should be used to collect data about the colour of cars in a car park?

1

Record observations

2

Conduct a survey

3

Complete a questionnaire

4
  1. Carry out an experiment


8

Multiple Choice

There are 12 bags of apples in a box. You want to record the number of apples in each bag. Should you take a sample of the bags or count all the bags?

1

Take a sample

2

Count all the bags

9

Multiple Choice

Ambia wants to find out how reliable buses are in her town.

Which of these methods could she use to collect her data?

1

Count the number of buses that go past her house each day.

2

Record the number of learners who travel by bus to her school.

3

Count the number of people who travel on each bus between 8 am and 9 am each day.

4

Record the time that each bus arrives at the same bus stop for one day.

10

Multiple Select

Kiera conducted a survey to find out which sports clubs her school should run by asking the girls in her netball team.

Select all reasons why this method is unfair.

1

The girls in the netball team do not like sport.

2

Kiera needs to ask a larger group of people.

3

Kiera must ask boys and girls.

4
  1. Kiera should only ask the teachers in her school.


11

Multiple Choice

‘8 out of 10 cats prefer Kittyfood.’

A marketing company uses this statement to advertise Kittyfood cat food.

Which of these methods should they have used to arrive at this statement?

1

Ask 10 people which cat food they buy.

2

Give 10 cats Kittyfood and record how many eat it.

3

Give 100 cats a choice from different cat foods.

4

Collect sales data from a supermarket for cat food.

12

Open Ended

1.) 3 things I have learned today

2.) 2 things I want to learn more about

3.) 1 question I still have

pattern-tertiary

​​​Classroom practice
1.) Be on time to class. Only 5 minutes waiting time is given before the lesson begins.

2.) Please make sure all your laptops, textbook , notebooks and stationary sets are with you at all times. You are not allowed to leave the classroom once you have entered. Strictly no handphones allowed.
3.) Listen to your teacher while she is talking.
4.) Show some respect to your peers when they are answering questions.
5.) Please be on your best behaviour at all times.
6.) Raise your hand if you would like to ask questions, answer or if you would like to use the washroom.
7.) Homework submission : - Date will be given - Only three warnings - Parents will be contacted - Always check your google classroom for the summary of the day - Messy handwritting will not be entertained - Practice invidual marking or peer markings before the books are being collected.
8.) Keep the class clean at all times and push in the chairs before leaving the classroom.
9.) Last but not least, I am looking forward for good grades and enjoyable learning environment from all of you.

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