Math

Decimals:

Adding and subtracting decimals, Line up the decimals.

Multiplying decimals: do the math and then count the digits behind all decimals.

Fractions:

Adding and subtracting fractions, need a common denominator. Reduce

Multiplying: Multiply across. (Cross cancel if able) Reduce

Dividing: change divide sign to a multiplication, and invert the second number, then multiply across. (Cross cancel if able).

Reduce.