User:Marcha low/My sandbox
I am a mathematics teacher. I teach grade seven.Mathematics is the key to a well rounded education.
- number theroy
In 1960 the International System of Units was proposed as a replacement for the Metric System. The seven base units for the SI system are given below.
SI Base Units
Physical Quantity Name of Unit Symbol length meter m mass kilogram kg time second s temperature kelvin K electric current ampere D amount of substance mole mol luminous intensity candela cd