Hello,

I'm writing some simple workbooks for kids in grades 1 to 10 to help 
them with their math. I've worked with TeX and LaTeX for a while, until 
I was attracted to ConTeXt for is nice colors and things like that.

I need to know how to:

* Draw simple number lines, color if possible, label the cm dots or 
vertical lines, label the number line, fill in the numbers (or miss some 
out), place it where I want it, and perhaps have the label in a 
different color

* Draw plane shapes like squares, rectangles, triangles and so on, just 
2-D plane shapes. Outline in some color, inside with another color. 
Label them. Place them where I a want them. Sometimes I would like to 
extend the lines to show that all exterior angles add up to 360 degrees, 
things like that, and add in the arc and shade it in a different color.

When doing basic material like:

Solve:

6 + 7 + 4 = [box]

Have the equals signs and boxes lined up (or not), two sets of simple 
add these numbers (or whatever) per column. The answer box could be 
filled with a light color.

Is there a manual I should start with to learn how to do these things, 
and develop my own macros? First I would just like to learn how to do 
them, then gradually write my own macros. The material in my TeX Book 
and my Guide to LaTeX series gives instruction in drawing but it quickly 
progresses beyond my ability into 2-D shapes and so on. I understand 
basic things like \move{} and lineto{} and \lvec{} but that's where I 
get confused.

I was wondering if anyone could suggest a good ConTeXt series of 
readings to come to grips to switching from TeX/LaTeX to ConTeXt and 
then onto drawing basics and fonts and colors.

Thank you for your time,

James Buchanan
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