- Addition 1 - Addition 2 - Subtraction 1 - Addition 3 - Addition 4 - Subtraction 2 - Addition 5 - Subtraction 3 - Multiplication 1 - Multiplication 2 - Division 1 - Multiplication 3 - Division 2 - Multiplication 4 - Multiplication 5 - Addition 6 - Subtraction 4 - Decimals 1 - Division 3 - Decimals 2 - Modulo 1 - Modulo 2 - Decimals 3 - Fractions 1 - Percentages 1 - Multiple Numbers 1 - Negative Numbers 1 - Fractions 2 - Percentages 2 - Multiple Numbers 2 - Negative Numbers 2 - Currencies 1 - Discounts 1 - Measurements 1 - Division 4