A brain, paper, pencil, compass, straight edge. <-- from ancient times
more modern slide rule, tables for logs/trig values, now replaced by calculators and computers.
calculators and rulers are important math tools
uhhhhhhhhhhhhhhhhhhh
i donot
Because math is the language and tools of science.
A compass.
tools
Rulers compasses,protractors Tools such as formulas or mini rulers can be found online, or in the front or back of math text books.
No devices use for measuring in math. In math we cannot measure we just calculate.
i think it is multiples.
A compass, a divider, or a sharpened pencil.
Diligent study for a number of years has given me the tools I need to solve most math problems I encounter.
I like to share with you a websites which provides free math worksheets for students, which is Beestar.org Their worksheets are great for kids from 1st to 5th grade. I think this website would help you guys a lot.