0. A few things to remember from math

Prime Number

Prime Number

Mixed Number

Mixed Number

Fraction

Numerator and Denominator:
Numerator and Denominator
Both fractions (1⁄2) and decimals (0.975) may be used.

Digits

Digits are individual numbers:
4,539 – a four-digit number

Division

Multiplication

Multiplication

Substraction

Substraction

Power of a number

Power of a number