Ain't One

A Maths Starter of The Day

Use your calculator to find which whole number divided by another whole number gives the answer:

1.8181818181

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Keywords: Starter | Arithmetic

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Answer

One answer is  20 รท 11

What if the target number was:

1.1818181818

Teacher, do your students have one to one access to computers?

Whether your students each have a TabletPC or share a desktop PC, this activity lends itself to eLearning (Engaged Learning).

A spreadsheet could be used to quickly find a solution to this kind of problem.

 An algebraic solution might look like this:

Let the target number be x

                            x = 1.818181.... Equation 1         

Therefore 100 x = 181.8181... Equation 2

Subtract equation 1 from equation 1

99x = 180

x = 180/99

x = 20/11