Notes
mistakes, misconceptions, misinterpretations

Mathematical Mistakes, Misconceptions, and Misinterpretations

Number

Arithmetic

• mixing adding and multiplying
• two negatives make a positive

Fractions

• adding numerator and denominator

Index Laws

• power of a bracket
• zero power

Algebra

• cancelling in algebraic fractions
• adding numerator and denominator of algebraic fractions
• adding when expanding brackets

Statistics

• using number of rows for frequency