Exam 1
Percentages % 
- referent - what a percent refers to
- privileged fraction, "per cent" or \(\frac{a}{100}\)
- fraction strips (a.k.a. "sidewalks")
- percent tables,
\(100\% \rightarrow 60\)
\(50\% \rightarrow 30\) - equivalent fractions via algebra
- equivalent fractions via multiplication by "one"
- convert percentages to decimals
Decimals 0.12345…
- extension of base system: \(\frac{1}{10}, \frac{1}{100}, \frac{1}{1000}\), etc.
- multiplication of decimals (convert to whole numbers then convert back)
Fractions \(\frac{a}{b}\) 
- unit fractions, \(\frac{1}{b}\)
- equivalent fractions by multiplying by "one"
- comparing fractions
- same denominators
- same numerators
- distance to one
- benchmarks
- more of bigger
- adding and subtracting
- with fraction strips
- with pattern blocks
- improper fractions and mixed numbers
- multiplication
- using pattern blocks
- using "fraction strips" or squares
- computation
- common denominators
- to compare fractions
- to add or subtract
- story problems
