The T-Number

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The T-Number

Explanation-

In this unit I will use the phrases t shape, t number and t total a

lot. They will be seen on grids of numbers like this:

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This particular grid can be described as 5 x 5 grid because it goes 5

numbers across and 5 numbers down. You will also notice that the 5

times table occurs if you read the last column downwards.

These grids can vary in size but the height and width of them will

always be the same as each other. So for example you will be able to

get such grids like 3 x 3 grids or 7 x 7 grids but not uneven numbers

like 4 x 9 grids.

T shape

If I were to draw a t shape in a 5 x 5 grid it would look something

like this:

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[IMAGE]13

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The red block you might see

looks like a thick T. Whenever you

see this and I am talking about a T

shape you will now know that I am

talking about the red block.

Usually though if I am not drawing

T number

the t shape in a grid I will just have a

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[IMAGE]2

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