Percentages

• Percent and decimalPercentage: per hundred120% = ? as a decimal
• Percentage of an amountLine up 100%, 50%, 25% and 10%10% of 40
• What percent is it?Make it a fraction, then per hundred45 out of 150 = ?%
• Fraction as decimalSame fraction, different notation15
• What percent discount?How much off, out of how much?80 − 60
• VAT and percent addedFirst work out 1%, or first 10%2 × 20