7 memorization aids in this subject.

• BODMAS*
• Do COMe AS My Date
• Does McDonald's Sell CheeseBurgers and Shakes? (DMSCBS)
• Eight married sisters brought rice cakes. EMSBRC
• Everybody's Daddy, Mother, Sister, Brother, Reunion, Celebration
• No Dirty Dogs! Numerator Divided (by) Denominator
• Please Excuse My Dear Aunt Sally's Loud Radio