Using a calculator, convert $10%$10% to a decimal.
Using a calculator, convert $0.61$0.61 to a percentage.
Express the fraction $\frac{40}{50}$4050 as a percentage.
Using a calculator, express $69.21%$69.21% as a fraction in simplest form.
understand the meaning and magnitude of numbers involved, including fractions, percentages and the significance of place value after the decimal point
convert between fractions, decimals and percentages, using a calculator when appropriate
use a calculator appropriately and efficiently for multi-step calculations