Unit 2: Ratios and Proportional Relationships (Percents)

1. How are percents, fractions, and decimals connected, and why is it useful to convert between them?
2. How can a double number line or bar model help me visualize a percent of a quantity?
3. How can a ratio table be used to calculate percent of a number?
4. How can I express a percent as a fraction and a decimal?
5. How can I use benchmark percents (like 10%, 25%, 50%) to quickly estimate or calculate other percents?
6. In a word problem, how do I determine which number is the part, which is the percent, and which is the unknown whole?

1. Students will treat percentages as a specific type of ratio—a "rate per 100."
2. Rewrite percentages as fractions with a denominator of 100.
3. Use a ratio table to solve percent problems.

Formative and Summative Assessments.