CAMS Level I
Fundamentals of Business Mathematics glossary
Every term this guide defines, A to Z, each with the chapter that teaches it. Open it when a word in a question is unfamiliar, and test yourself on it in the last week: cover the definition and say it in one sentence.
7 terms from the free first chapter
A
- A decimal to a fraction
Write the decimal digits over the matching power of 10, then simplify: 0.75 = 75/100 = 3/4.
Taught in Ratios, rates and proportions
- A fraction or decimal to a percentage
Multiply by 100 and add the % sign: 0.4 × 100 = 40%; 3/4 × 100 = 75%.
Taught in Ratios, rates and proportions
- A fraction to a decimal
Divide the numerator by the denominator: 3/4 = 3 ÷ 4 = 0.75.
Taught in Ratios, rates and proportions
- A percentage to a fraction or decimal
Divide by 100: 40% = 40/100 = 0.4.
Taught in Ratios, rates and proportions
P
- Proportion
A statement that two ratios are equal, for example a:b = c:d, used to find an unknown quantity once three of the four values are known.
Taught in Ratios, rates and proportions
R
- Rates
A comparison of two quantities measured in different units, expressed as a single value, for example a speed of 80 km per hour or an exchange rate of KES per US dollar.
Taught in Ratios, rates and proportions
- Ratios
A comparison of two or more quantities of the same kind, showing how many times one contains the other, written a:b (for example, mixing concrete in a 2:3 ratio of cement to sand).
Taught in Ratios, rates and proportions
The full glossary adds every term from the other 6 chapters, A to Z, each with the chapter that teaches it.