There are many ways that math and numbers can be used in puzzles. A popular puzzle that uses math and numbers is Sudoku.
sudoko
twice a number
Mathematical operators
fsvxcxcv
What kind of mathematical phrase? can you please cite some examples?
algebra: 5[2x3(22-13)+3] mathematical: 5x2
A complete list of mathematical puzzles and games would be impossible to produce. There are simply too many and many were never written down.
Forces, velocities, accelerations.
Addition and subtraction are mathematical processes. They can be used in equations, which are statements that the values of two mathematical expressions are equal, but they are not equations by themselves.
one example of a mathematical equation could be (+2x-5)-(-2x+5+10a) and the answer would be (-5a3+4x-2)
Division is a mathematical term. Division is when you take to number and divide them together.
Any "expression" that represents a numeric value. Example: 2+2=4 or x+7=10. Actually the examples above are equations, not expressions. Expressions do not have = signs. 7a and 4x are examples.
Franco Agostini has written: 'Giochi logici e matematici' -- subject(s): Mathematical recreations, Symbolic and mathematical Logic 'Intelligence games' -- subject(s): Mathematical recreations 'Visual games' -- subject(s): Popular works, Problems, exercises, Psychological games, Visual perception