Now to write the formulae! Write formulae to show the number of each body part on n aliens.

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# Now to write the formulae! Write formulae to show the number of each body part on n aliens. - PowerPoint PPT Presentation

Now to write the formulae! Write formulae to show the number of each body part on n aliens. Copy and complete the following. Fingers on n aliens = 6n Toes on n aliens = Legs on n aliens = Ribs on n aliens = Arms on n aliens =. How many squares can you find on a chessboard?.

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Now to write the formulae!

Write formulae to show the number of each body part on n aliens.

Copy and complete the following...

Fingers on n aliens = 6n

Toes on n aliens =

Legs on n aliens =

Ribs on n aliens =

Arms on n aliens =

Working systematically....

Can you see any patterns?

PROVE that you are right!

Use our knowledge of the properties of number in order to solve problems.

Use a symbol to stand for an unknown number.

We found there are 204 squares

on a chessboard where the length of

one side is 8 squares (8 x 8).

Imagine a new chessboard has been invented that has a length of 25 squares (25 x 25).

How many squares are there in this new chessboard?!

Imagine your data is like a function machine.

Where... x = length of one side

n = total number of squares

You know the input (x) and the output (n), but what is happening in the function machine?