1. What does BEDMAS stand for?

Bedmas stands for Brackets, Exponents, Division and Multiplication, Addition and Subtraction.

2. What do you do first if a calculation just involves adding and subtracting?

Work from left to right.

3. Is BODMAS the same as BEDMAS?

The only difference is the instead of the E which stands for "of" and means multiply.

3. What is BEMA?

BEMA is similar to the others, Brackets, Exponents, Multiplication/Division and Addition/Subtraction