Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 Re: Help Me ! » Explain why 0.3 = 0.30 = 0.300 etc. » 2010-08-26 07:58:05

Thanks for the ideas. I found this type of table (on ixl.com) which my pupil understood easily:decimalshundredths.jpg. That image stands for 0.23.

#2 Re: Introductions » Hello from New Zealand » 2010-08-25 15:19:43

bobbym wrote:

I'm not implying education has no value, just that it isn't necessary when you are a genius.

If you are in the education business, shhhhh!

#3 Re: Help Me ! » Explain why 0.3 = 0.30 = 0.300 etc. » 2010-08-25 14:41:18

Hi bobbym and many thanks for the great help.

Now, I'll have to convert that into oranges, apples or (better) dollars. Hmmmmm.

#4 Re: Help Me ! » Explain why 0.3 = 0.30 = 0.300 etc. » 2010-08-25 14:23:47

Thanks for the idea. If this is the simplest, then we'll have to go that way. I was hoping to find a more practical (less abstract) explanation.

#5 Introductions » Hello from New Zealand » 2010-08-25 14:21:52

irrational
Replies: 8

I am here because I am an amateur maths teacher. I am 52, and my mission is to teach basic maths to a 55 y.o. who had never attended school. A challenge for both myself and the private tutor (who teaches maths at school to kids aged 12-18) hired by the pupil.

The 55 y.o. pupil is quite astute; in fact he owns over a million $ worth of real estate entirely purchased with his manual work... but he is unable (for now!) to understand the most basic maths, i.e. decimals, rounding or fractions (not to mention percentages). I wonder how many billions could he have made, had life provided him with a regular education!

At my university entrance 34 years ago, I had a 6 / 6 in maths, and I am determined to revive some of my knowledge with this challenging opportunity.

I hope we'll enjoy scratching our heads together!

#6 Help Me ! » Explain why 0.3 = 0.30 = 0.300 etc. » 2010-08-25 13:59:30

irrational
Replies: 13

Hello all. Together with a private maths tutor, I am trying to teach a bit of basic maths to a 55 y.o. who had never attended school (yet who is rather bright). The pupil cannot understand why 0.3 = 0.30 = 0.300 etc. and both the tutor and myself are at a loss to explain it in clear terms. I have researched the internet and did not find a clear explanation either. Any idea?

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