Addition (n.) is the first maths children trust, because they can check it on their fingers.
Addition (n.) is the miser's sum of happiness.
Addition (n.) is double subtraction.
Algebra (n.) is math having sex with the alphabet.
Algebra (n.) is like a recipe written for an ingredient you have not bought yet.
Algebra (n.) is like a scale, whatever you take from one side you owe the other.
Algebra (n.) is the promise that an unknown will behave itself while you move it around
Arithmetic (n.) is the maths you stop using until a bill has to be split five ways.
Arithmetic (n.) is counting to twenty without taking off your shoes.
Arithmetic (n.) is numbers you squeeze from your head to your hand to your pencil lo your paper until you get the right answer.
Arithmetic (n.) is being able to count up to twenty without taking off your shoes.
Calculus (n.) is the study of change by studying "instantaneous " change, by which we mean changes over tiny intervals of time.
Calculus (n.) is the most significant factor in the development of modern science beyond where it was in the days of Archimedes.
Calculus (n.) is when letters decide to be numbers.
Calculus (n.) is the Mathematics of change