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What are the dimensions of the field?
The objective is to experience the process.
Alternatively, need to find a way to verify the figures.

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Working unclear.
Dimensions obtained are?

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High discrepancy compared to actual value.
Working presentation could be clearer but having finer breakdowns, which will help to diagnose at which steps mistakes are.

Photos in action?

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Area of square surrounding the coin= 2.4x2.4=5.76

Field Area as per google world:

5694.7

Number of coins:

5694.7/0.000576=9886631.94444

The Number of coins is 9886631

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666⅔×7519=50126667(to nearest whole)

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- length & breath of the field to find area
- diameter of coin
- the accuracy of our measuring tool

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- size of one dollar coin
- size of field

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94.26x100=9426
9426/2.4=3927.5
60.33x100=6033
6033/2.4=2513.75
3927X2513=9868551

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the length and width of the field
radius of the coin

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(Pictures and videos taken are by Dhanvin)

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- Width of field
>Pillar intervals (23) + Pillars itself (22)
>length of foot (Maegan's) : 22.5cm
>Number of foot in one interval : 10
>(10 x 22.5 x 23 + 22.5 x 22)= 5670
>5670 x (5670 x 2) = 64297800
>64297800 / 2.5 (Coin Length) = 25,719,120

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2023 S1-10 Groups for Fermi Estimation (Responses)

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- The width of the field
>> How many intervals between the pillars there are.
>> The length of the field is 2 times the width

- Width of the field
>> Count (There are 23 pillars intervals + 22 pillars to be counted in)
>> Multiply after finding the width of the field after counting.

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area of square surrounding the coin= 2.4x2.4=5.76
Field Area as per google world:
5694.7
Number of coins:
5694.7/5.76=988.6631944
The Number of coins is 988

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Use 3rd series coin
Measure the white line
google earth is accurate

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- We assumed the $1 coin would be the newer one.
- We assumed that the app was accurate in its measurements

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- How long is the field width?
>> How many pillars on the side make up the width?
>> How many times is the length of the field than the width of the field?

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the 'measure' app is accurate

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We found two different ways to do this, both with different numbers, but we used the more accurate estimation method:

91.46m is the length of the field.
58.15m is the breadth of the field.
0.024m is the diameter of the coin.

(91.46/0.024) x (58.15/0.024) approx. 9233332
ANS: 923332

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What Kind of Information do we need to find and how we got the information?

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What Kind of Information do we need to find and how we got the information?

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We needed to find the breath and length (area) of the field, size of (third series) coins.
We used MAS website, calculator, google earth.

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Length:9888cm

Width:6117cm

Coin: 2.3cm

9888/2.3=4299.13043

6117/2.3=2659.56522

4299*2659=11,431,041
ans: 11.4 milllion  (3 SF)

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How big is a $1 coin and the length and width of the school field

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We had to consider the area of the field as well as the area of the coin and we had to consider the gaps when the coins are placed side by side

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Measure App

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We were considering the different ways to measure the football field. We eventually decided use an app on a phone.

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We are taking both the length and breadth of the field, and the length and breadth of a $1 coin to do this.

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how long the sides of the field are

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How big is the field?

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whats the size of a $1 coin

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Need to measure diameter of the $1 coin
Need the Width and height of the field
Need t0 stop basil's obsession w baller

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assume that coins cannot ba stacked

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How many coins we can fit in 1 metre.

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use measuring tape
Feet size
Long ruler

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how many coins are needed to fill the field

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how are we going to measure the field

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What is the minimum area you can fit 2 $1 coins side by side

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Whats the length & breath of the field?

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Area of field

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what is the size of a $1 coin

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What is the method for calculating the area of the field?
What is the dimensions of the $1 coin?
What $1 dollar coin are we using? Old or New?

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Radius of $1 coin

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how tall is my shoe

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Which $1 coin are we using

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Area of the field

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What one dollar coins are we using?

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Area of $1 coin

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Find the length of the field
Find the circumference of the $1 coin

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Breadth of field

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breath of field

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measure the length and width of the field

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measure the length and width of the field

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length of field

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How big is a $1 coin

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size of coin

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length of field

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You should have the POSTS that describes how your group had carried out the investigation; and the solution (with working clearly shown)

1 post: What are the consideration?

1 post: What kind of information the  group intends to find and how you intend to get the info (eg the measure to of ….)?

More than 1 post: Pictures / diagrams of materials used, and people in action (eg How you measure…?)

1 post or more: Calculations/ Working to show how you obtain the value

1 post: State any assumptions made (eg when taking the measurement)

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You should have the POSTS that describes how your group had carried out the investigation; and the solution (with working clearly shown)

1 post: What are the consideration?

1 post: What kind of information the  group intends to find and how you intend to get the info (eg the measure to of ….)?

More than 1 post: Pictures / diagrams of materials used, and people in action (eg How you measure…?)

1 post or more: Calculations/ Working to show how you obtain the value

1 post: State any assumptions made (eg when taking the measurement)

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You should have the POSTS that describes how your group had carried out the investigation; and the solution (with working clearly shown)

1 post: What are the consideration?

1 post: What kind of information the  group intends to find and how you intend to get the info (eg the measure to of ….)?

More than 1 post: Pictures / diagrams of materials used, and people in action (eg How you measure…?)

1 post or more: Calculations/ Working to show how you obtain the value

1 post: State any assumptions made (eg when taking the measurement)

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You should have the POSTS that describes how your group had carried out the investigation; and the solution (with working clearly shown)

1 post: What are the consideration?

1 post: What kind of information the  group intends to find and how you intend to get the info (eg the measure to of ….)?

More than 1 post: Pictures / diagrams of materials used, and people in action (eg How you measure…?)

1 post or more: Calculations/ Working to show how you obtain the value

1 post: State any assumptions made (eg when taking the measurement)

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You should have the POSTS that describes how your group had carried out the investigation; and the solution (with working clearly shown)

1 post: What are the consideration?

1 post: What kind of information the  group intends to find and how you intend to get the info (eg the measure to of ….)?

More than 1 post: Pictures / diagrams of materials used, and people in action (eg How you measure…?)

1 post or more: Calculations/ Working to show how you obtain the value

1 post: State any assumptions made (eg when taking the measurement)

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List some sub-questions you need to answer in order to help you find the answer to the question

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List some sub-questions you need to answer in order to help you find the answer to the question

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List some sub-questions you need to answer in order to help you find the answer to the question

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List some sub-questions you need to answer in order to help you find the answer to the question

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List some sub-questions you need to answer in order to help you find the answer to the question

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List some sub-questions you need to answer in order to help you find the answer to the question

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List some sub-questions you need to answer in order to help you find the answer to the question

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Step 1: Understand the Problem
Step 2: Devise a Plan
This includes assessing what resources we have
Step 3: Carry out the Plan
Step 4: Check back
- One of the ways is to check with other teams what they obtain

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(Students) Chap 3 (Activity) Fermi Estimation

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Fermi Estimation A REAL WORLD APPLICATION of ESTIMATION An Investigation Recommended Duration (approx): Understanding the Problem & Discussion (15-20 min) Field Activity: 20 min Solutioning and Submission: 20 min Students' Version

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You should have the POSTS that describes how your group had carried out the investigation; and the solution (with working clearly shown)

1 post: What are the consideration?

1 post: What kind of information the  group intends to find and how you intend to get the info (eg the measure to of ….)?

More than 1 post: Pictures / diagrams of materials used, and people in action (eg How you measure…?)

1 post or more: Calculations/ Working to show how you obtain the value

1 post: State any assumptions made (eg when taking the measurement)