Practice questions
Challenge questions
Convert a value through all three forms, or identify which form is largest/smallest
Word problems
Real-life contexts — read carefully and identify the calculation needed
Conversion methods
Fraction → Decimal: divide numerator by denominator. \(\frac{3}{8}=3\div8=0.375\)
Decimal → Fraction: write over appropriate power of 10, then simplify. \(0.325=\frac{325}{1000}=\frac{13}{40}\)
% → Decimal: divide by 100. \(76\%=0.76\)
Decimal → %: multiply by 100. \(0.325=32.5\%\)
% → Fraction: write over 100, then simplify. \(76\%=\frac{76}{100}=\frac{19}{25}\)