a night in the life of... detective decimal that’s me click to begin home
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A night in the life of...Detective Decimal
That’s me
Click to begin
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Hmmm....
The footprints are running out…we need a clue
Can you help me find a clue? Click on the clue when you see it.
Clue
http://youtu.be/m4sR3c13v5g
Question number 1:
Which is the biggest decimal?
0.3 0.4
HELP
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Question number 2:
Which is the biggest decimal?
1.25 1.6
HELP
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Question number 3:
Which is the biggest decimal?
1.9 1.12
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Question number 4:
Which is the biggest decimal?
1.29 1.26 1.8
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Now it’s going to get harder. Question number 5:
Which is the biggest decimal?
1. 08 1.7
HELP
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Question number 6:
Which is the biggest decimal?
3.073 3.72
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This will really test you. Question number 7:
Which is the biggest decimal?
1.9 1.09 1.19
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CORRECT!
You got lucky. But I will keep my promise. I will remove one of the ties from Detective Decimal.
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To save Detective Decimal you will have to do a bit more than that..
Continue
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CORRECT
But that was too easy...I might untie Detective Decimal, but you’ll have to answer a few more questions that that.
Continue
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CORRECT
You’re getting good...but still not enough
Continue
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CORRECT
Wow! I didn’t think you would get that correct. I suppose I have to untie a little bit more of Detective Decimal.
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Your getting closer to freeing him...but I’m sure you won’t be able to answer the next questions..they are tricky!
Continue
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CORRECT
Continue
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CORRECT
Continue
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CORRECT
I can’t believe you got all of the questions right! Well, I suppose I must keep by promise
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I’M FREE!!!!!!!!!
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Thank-you for saving me! You have shown me you are a very skilled detective. I have a reward for you.
Reward
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Your very own detective license.
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The End
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I think you made need some help. But pay attention. You can’t get help all the time
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This here represents 1 unit. Lets chop it up into 10 smaller pieces
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Each smaller piece is 1/10 the size (10 smaller pieces fit in to the larger piece)
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We call these pieces TENTHS
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When we write a decimal, we write the whole number before the decimal point and the tenths after the decimal point. For example:
0.3 0.4
3 is in the tenth column-3 tenths
4 is in the tenth column-4 tenths
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Let’s create 0.3 and 0.4.
0.3 is 3 tenths, so we need 3 of the smaller tenth pieces
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0.3
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0.4 is 4 tenths, so we need 4 of the smaller tenth pieces
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0.4
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0.3 has 3 tenths, and 0.4 has 4 tenths.
0.3 0.4
So, which is the bigger decimal?
0.3 0.4
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Ok, I will give you some more help.
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This here represents 1 unit. Lets chop it up into 10 smaller pieces
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Each smaller piece is 1/10 the size (10 smaller pieces fit in to the larger piece)
Next
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We call these pieces TENTHS
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Let’s chop the tenth into 10 smaller pieces.
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These smaller pieces fit in to the tenth piece 10 times
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We call these pieces HUNDREDTHS
Hundredths are 10 times smaller than tenths
TenthHundredth
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In a decimal, the hundredths occupy the column after the tenths column (2 places after the decimal point.
1.25 1.6
2 is in the tenth column
6 is in the tenth column-1 and6 tenths
5 is in the hundredth column-1 and 2 tenths and 5 hundredths
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Let’s create 1.25 and 1.6
For 1.25, we need 1 whole unit, 2 tenths and 5 hundredths
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1. 2 5
.Next
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For 1.6, we need 1 whole units and 6 tenths
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1. 6 Next
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. .1.25 1. 6
So, which is the bigger decimal?
1.25 1.6
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Help again? Ok, but this is the last time...
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Let’s start by creating the decimals.
1.08 has 1 whole unit, 0 tenths and 8 hundredths
1 . 0 8
1 whole unit 0 tenths (No tenths)
8 hundredths
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1. 0 8Home
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1 . 7
1 whole unit 7 tenths
1.7 has 1 whole unit and 7 tenths
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1. 7Home
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1.08 1.7
So, which is the bigger decimal?
1.08 1.7
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Next
WRONG!
I will keep Detective Decimal chained up..unless you dare to try again...
Try again