Read percentages from a 100-grid, convert friendly fractions and decimals to percents, and find common percentages of a whole number.
Convert between friendly fractions (1/2, 1/4, 3/4, 1/5, 1/10), their decimal forms and their percent forms.
Given a part and the percent it represents, work out the whole. Trick: if 25 % is 12, the whole is 4 × 12 = 48.
Look at the shaded squares on a 10×10 grid and write the percentage.
Find 10 %, 20 %, 25 %, 50 % or 75 % of a whole number — mentally.
A simple real-life word problem using percentages.